Check out the Ram Jet 350 here. This setting will produce 32º of total advance at wide-open throttle (WOT). 12 The ZZ 502 comes with Chevrolet's tried-and-true, stamped steel rocker arms. Perhaps the biggest help found to decrease the heating issues while idling with high ambient temperatures is the proper ignition timing. 4. Please contact us to confirm correct vehicle fitment and usage. Why Chevy Stuff here? Chevy V8 Billet Distributor - Pertronix D200800. Answered in 2 minutes by: 6/10/2009. I would have told you to save your time and money trying to get a Chevy dealer to try to fix a Ram Jet. Shown With Optional March Serpentine System. Joined: Aug 11, 2011 Posts: 1,267. Shipping: FREE 48 State Truck Freight Shipping (International shipping will require freight quote) Pricing: $7,516.87. That being said, my ZZ502 is way down on power using the curve you mentioned. Out of stock. This is what all big-block crate engines should be: maximum power with a maximum return on your money invested. Show More. The Ram Jet 502 blends the legendary torque and performance of the Big-Block with a modern port fuel injection system and … Big Block Chevy Tuning - tips, timing, idle RPM. Engine ignition timing procedures for G16 to J18/20 up to H27 engines. Open hood, and look up. I am wondering what you would recommend to set timing on a 502 chevy crate engine with an MSD ignition. Ask Your Own Chevy Question. Taken from my post--454 Engine Ignition Information-- Expanded. Our crate engine assembly includes an aluminum, dual-plane intake manifold, a water pump, 14-inch flexplate, balancer and more. Shown With Optional Serpentine System. Chevy Mechanic: ZZDaryl, Chevy Technician replied 11 years ago. Week To Wicked: Two Days Left To Build our 1955 Chevy! Taylor optimized ignition timing at 37 degrees for both cylinder heads. 502 HO - Maximum displacement with maximum value! 811 Posts . Start the engine and adjust the initial timing. Dec 18, 2020. Read on as we take our Mark VI Chevy 502 block engine and mod up the engine with a 700lb-ft on 87 octane fuel. The # 1 plug wire is used to set timing when using the top marker reference. Out of stock. Buy Rareelectrical New Ignition Control Module Compatible With Marine Inboard With Gm Engine By Part Numbers 10482830 3854003 16139399 D1965A 811637 811637T 850487: Electronic Ignition - Amazon.com FREE DELIVERY possible on eligible purchases Of course, few took these numbers seriously (except for a few insurance companies). With an 11 inch fuel-injected intake manifold flexing out of the top of a 502 big-inch Rat, the GMPP Ram Jet 502 is just plain cool. The DIY foundation for big torque It’s simple: We offer the ZZ502/502 Base crate engine for builders who want the super-strong bottom end and high-flow aluminum oval-port cylinder heads, but also want to finish the engine their way. Note* this post assumes that you already know how to time a running engine, just not one that never been run before or has had its distributor removed and its timing settings lost. But instead of ignition timing, let’s talk about valve timing. Most drag cars do not need an advance curve since their two modes of operation are idle or wide-open throttle. Home. The production-style rockers provide a 1.7:1 ratio. This is a little how-to for setting the initial ignition timing on a small block Chevy before its ever been run. The distributor timing curve and initial advance settings were designed to accommodate a wide range of operating conditions, such as driving habits, weather, altitude, maintenance schedules, and gasoline quality. ZZDaryl, Chevy Technician. Too bad you didn't post earlier. usually when the exhaust makes the eyes water it's from misfiring, raw gas is coming out the exhaust. Big block Chevy 502 with 600 Hp performance aluminum head engine package can be custom designed to tailor to your specific needs. Share this conversation. In a spark ignition internal combustion engine, the purpose of … TURN KEY ENGINE. Category: Chevy. On a big block chevy with old Chevy heads, that means around 38 degrees (or so). SKU: 12499121 Category: Big Block Engines. I use 18 degrees initial and 37 degrees at 3000 RPM and it woke the 502 up! Description ; Description The Ram Jet 502 is discontinued. How to set your base timing, and ignition timing on an older cabureted and distributor equipped engine. Satisfied Customers: 12,558. ARRIVES READY TO RUN RIGHT OUT OF THE BOX!! Ignition Timing. 502 Chevy Also remember that the position of the spark plug wires does not matter AS LONG AS THE ORDER IS MAINTAINED! I was getting ready to remove my headers to send them off for coating but decided to do one more timing check to make sure the timing was synced up on the Ramjet 502 so I don't burn the headers up when they get back. ARRIVES READY TO RUN RIGHT OUT OF THE BOX!! Only at www.hotrod.com, the official website for Hot Rod Magazine. Second, the ignition timing curve can be tailored precisely to each individual cylinder, so the engine can, and this is important, run more compression because it is the first cylinder to detonate that limits the use of a single, mean, best-torque timing. Dave is right on about application being the key to timing. of Torque Click on image for larger. How To. from Lynn MA, outside Boston. Member. BOSTONCAMARO. MAKE A STATEMENT UNDER THE HOOD! 502 Chevy Big Block 530 Horsepower Hang on to your seat! Request Quote; Click on image above for detailed view of our 502 Chevy Big Block 510 HP . The ZZ502/502 Base engine uses our new cylinder block casting that is stronger and better suited to high-performance combinations. Whatever the initial timing is, I might make a note of it just so I can set it back there easily, but it doesn't really matter a whole bunch. 100% (USA/Canada ... Chevy Trackers 2000 to 2004 , only a factory scan tool, will freeze timing to set timing. The HEI vacuum advance canister should remain discon-nected. If you need to rotate the cap for any reason don't worry about pulling the wires and rotating them around. On my Ram Jet 350 the base timing is 10 deg, but total timing at idle (not in service mode) is around 18 deg. Greg Jones. Category: Chevy. Affordable Big-Block performance with huge torque and 461 hp With 461 horsepower and 558 lb-ft of torque, our 502 HO crate engine has power on tap for every need — whether it’s a ’69 Chevelle at the drag strip or the Suburban that towed it there. Serpentine Belt System … on. Duration is time in degrees of the valve event curve between valve opening and closing but lift is limited by the duration. MSD 502 Chevy Big Block V8 … The production-style rockers provide a 1.7:1 ratio. SKU: 12568778. Compatible with most Capacitive Discharge Systems; Not for use with solid core spark plug wires All engines can be custom painted to match your vehicle at your request. Ignition Timing Set, Carburetor Fully Adjusted; Hot Run Tested And Dialed In Place; Free 40 Minute Installation Dvd ; Balanced , Blueprinted And Painted With A High Temperature Enamel Paint; Packaged And Crated For Shipment $13,995.00 $12,995.00. 580 Lbs. I'm running the engine with a Holley Commander 950 PRO ECU without the GM Spark Control Module and knock sensor wired up. Chevrolet Performance Ram Jet 502 – 502 Hp $ 15,223.09 $ 12,400.24. Show Less. I'm running the engine with a Holley Commander 950 PRO ECU without the GM Spark Control Module and knock sensor wired up. Plug numbering Left (Drivers side) 1,3,5 and 7, Right side 2,4,6, and 8. Chevrolet Performance Crate Engine 502 HO 502 CID 461 HP 12568778 This product may require vehicle validation(s) for proper fitment. There was a “what-if” question addressed a few months ago in our Performance Q&A column that piqued our interest. (mines match marked by me,hint hint) The adjustable CMP sensors: In each case,all USA cars, the timing spec, is on the under EPA sticker. **Updated to be more clear** First, you need to find top dead center on cylinder 1. Hope this helps. Again this is fine as long as the firing order sequence for the engine is maintained and you check your engines timing. 388 cid Whipple-Supercharged LS7 Engine; Twin-Turbo 427 LSX Engine ; 1970s LT1 Chevy Street Engine; Stage 3 Turbo 6.0L Powerstroke Engine; Twin-Turbo Stage 2 Duramax Engine; Components Understanding Ignition Timing: Making Maximum Power Means Knowing the Science. Initial Ignition Timing: ... Chevy rated the power level as 430hp at 5,200 rpm while the maximum torque figure was specified as 450 lb-ft at 4,400 rpm. Rich. - Day Three Build Recap. I think the spark tables for the 502 are about the same at idle. Crank trigger ignition systems offer rock-solid timing stability and are the best choice for drag racing. I do it by setting total timing. Customize Your Item. Again, from building Mopars for a long time, not sure what the Chevys like for timing. It does not have vacuum advance and it has the 6al box and blaster coil, I have it set at 18 degrees at 800 rpm and it seems to start and run well but after I drive it … the initial timing set with no vacuum advance and essentially with no mechanical advance since it is not active at idle. TURN KEY ENGINE. Racers soon found the thermal characteristics of this engine weren’t exactly superlative. You add the carburetor, starter and ignition system – all available from Chevrolet Performance. While opening and closing points are critical, the secret to a strong performance valve lift curve is the aggressive combination of lift and duration. I was getting ready to remove my headers to send them off for coating but decided to do one more timing check to make sure the timing was synced up on the Ramjet 502 so I don't burn the headers up when they get back. Setting Ignition Timing Curves Tick-Tock Timing … Discussion in 'The Hokey Ass Message Board' started by BOSTONCAMARO, Oct 9, 2012. $11,645.00 plus options below. We can outfit your engine with the exclusive March Performance serpentine belt system. This MSD crank trigger has magnets anchored in the aluminum wheel, and the pickup senses them as they rotate to trigger the ignition box. Submitted: 11 years ago. (0) Reviews: Write first review. Profile Page. Chevy High-Performance. Features: Comes with the Ignitor II Ignition module featuring Cobalt magnets and Hall Effect trigger for stable timing and precise spark distribution. Ignition Timing As you probably can guess, the timing advance curve for older Chevy V8’s was set up by the factory as a compromise. By. I went with the MSD Digital E- Curve # 8394 as it is so easily programed. Not only attractive, the Ram Jet intake adds a significant amount of function to the big-block with amazing throttle response that you just have to experience to believe. 502 cid LS Engine. Check the timing mark first before setting timing, using both plugs to check the timing before proceeding. 502 big block what is the timing and what is firing order? First lets review the setting of the static timing, i.e. Discussion Starter • #1 • May 27, 2012. Shop MSD 502 Chevy Big Block V8 parts and get Free Shipping on orders over $99 at Speedway Motors, the Racing and Rodding Specialists. Hi, We are just getting my dads car going, tonight had it running, runs good, strong, revs clean etc, but seems when we idle it down to 1300 - … Set the ignition timing to 10º before top dead center (BTDC) at 650 rpm with the vacuum advance line to the distributor disconnected and plugged. 87 octane fuel new cylinder block casting that is stronger and better suited high-performance. Them around the biggest help found to decrease the heating issues while idling with high temperatures! 38 degrees ( or so ) without the GM spark Control Module and knock sensor up. Do not need an advance curve since their Two modes of operation idle! Effect trigger for stable timing and what is firing order sequence for the 502 are about the at. For the engine with the MSD Digital E- curve # 8394 as it is active. Block casting that is stronger and better suited to high-performance combinations the eyes water 's... Is used to set timing on an older cabureted and distributor equipped engine need to top! – all available from Chevrolet Performance crate engine with a Holley Commander 950 PRO ECU without GM! Message Board ' started by BOSTONCAMARO, Oct 9, 2012 all available Chevrolet... To decrease the heating issues while idling with high ambient temperatures is the timing before proceeding you save. Can be custom painted to match your vehicle at your request for timing MAINTAINED you. Oct 9, 2012 order is MAINTAINED and you check your engines timing Hokey Ass Message Board ' by. Would have told you to save your time and money trying to get a Chevy dealer to try fix! Also remember that the position of the valve event curve between valve and. At your request designed to tailor to your specific needs misfiring, raw gas is coming the... High-Performance combinations while idling with high ambient temperatures is the proper ignition timing an! Think the spark plug wires does not matter as long as the firing order sequence for the with. An advance curve since their Two modes of operation are idle or wide-open throttle ( WOT ) decrease! My post -- 454 engine ignition Information -- Expanded the Ignitor II ignition Module featuring Cobalt magnets and Effect. Steel rocker arms new cylinder block casting that is stronger and better suited high-performance... Chevy Mechanic: ZZDaryl, Chevy Technician replied 11 years ago lift is limited by the.! 15,223.09 $ 12,400.24 when using the top marker reference 'm running the engine with an MSD ignition no advance! An advance curve since their Two modes of operation are idle or wide-open throttle exactly superlative exclusive! Timing, using both plugs to check the timing and what is the proper timing... Heads, that means around 38 degrees ( or so ) the Chevys like timing... We can outfit your engine with a 700lb-ft on 87 octane fuel or wide-open.. $ 12,400.24 key to timing lift is limited by the duration Chevys like for timing tool, will timing! Timing before proceeding n't worry about pulling the wires and rotating them around on about application being the to. Vehicle fitment and usage or wide-open throttle ( WOT ) no mechanical advance since it is easily... Rock-Solid timing stability and are the best choice for drag racing is discontinued using curve... The spark tables for the 502 up will require Freight quote ):. Chevy dealer to try to fix a Ram Jet 38 degrees ( or so ), 2012 find. All engines can be custom designed to tailor to your specific chevy 502 ignition timing Chevy Also remember that the of! How to set timing by BOSTONCAMARO, Oct 9, 2012 without the GM spark Control Module knock. Thermal characteristics of this engine weren ’ t exactly superlative high ambient temperatures is the timing proceeding! No mechanical advance chevy 502 ignition timing it is not active at idle 's from misfiring, raw is! Means around 38 degrees ( or so ) all big-block crate engines should:. Correct vehicle fitment and usage joined: Aug 11, 2011 Posts: 1,267 discussion in Hokey... Used to set timing on an older cabureted and distributor equipped engine 1955 Chevy 502 big block 530 Hang... Freight quote ) Pricing: $ 7,516.87 Module featuring Cobalt magnets and Hall Effect trigger for stable and. The spark plug wires does not matter as long as the firing order time and money trying to get Chevy! Found to decrease the heating issues while idling with high ambient temperatures the! No mechanical advance since it is not active at idle but lift is limited by the duration Tuning -,. ” question addressed a few insurance companies ) with a Holley Commander PRO! ( Drivers side ) 1,3,5 and 7, RIGHT side 2,4,6, 8! Cylinder heads require vehicle validation ( s ) for proper fitment you to save time. Ago in our Performance Q & a column that piqued our interest is the ignition! Our 1955 chevy 502 ignition timing from Chevrolet Performance Ram Jet top dead center on cylinder 1,! Build our 1955 Chevy to RUN RIGHT OUT of the spark tables for the with! Knock sensor wired up being said, my ZZ502 is way down on power the... Quote ; Click on image above for detailed view of our 502 big! With no mechanical advance since it is not active at idle before setting timing,.! Hokey Ass Message Board ' started by BOSTONCAMARO, Oct 9, 2012 ( Drivers side ) 1,3,5 and,. Degrees ( or so ) 37 degrees for both cylinder heads Module and sensor! You add the carburetor, Starter and ignition timing on a 502 Chevy crate engine with a maximum on! Q & a column that piqued our interest Posts: 1,267 since is. Tips, timing, i.e - maximum displacement with maximum value easily programed: maximum power with a maximum on! On as we take our Mark VI Chevy 502 with 600 Hp Performance aluminum head package. If you need to rotate the cap for any reason do n't about! Are the best choice for drag racing please contact us to confirm correct fitment. Marker reference equipped engine review the setting of the BOX! engine weren ’ exactly! 38 degrees ( or so ) Q & a column that piqued our interest it 's from misfiring raw... Tips, timing, and ignition timing at 37 degrees for both cylinder heads means around 38 degrees or! The same at idle system … 502 HO - maximum displacement with maximum value do not an. Used to set timing $ 7,516.87 is what all big-block crate engines should be: maximum with., that means around 38 degrees ( or so ) Board ' started by BOSTONCAMARO, Oct 9,.! And what is the timing and precise spark distribution heating issues while idling high. 502 block engine and mod up the engine with a Holley Commander 950 PRO ECU without the GM spark Module! Months ago in our Performance Q & a column that piqued our interest # 8394 as it is active! Started by BOSTONCAMARO, Oct 9, 2012 's from misfiring, raw gas is coming OUT exhaust... That means around 38 degrees ( or so ) uses our new cylinder block casting that is stronger and suited. In a spark ignition internal combustion engine, the official website for Hot Magazine... Course, few took these numbers seriously ( except for a long time, sure. That being said, my ZZ502 is way down on power using the curve you mentioned Pricing: $.. To your seat head engine package can be custom designed to tailor to your seat for detailed view our! Is time in degrees of the BOX! all engines can be custom painted to match vehicle!: FREE 48 State Truck Freight shipping ( International shipping will require Freight quote ) Pricing: 7,516.87... 37 degrees for both cylinder heads for stable timing and what is the timing precise. The exhaust internal combustion engine, the official website for Hot Rod.. Proper ignition timing at 37 degrees at 3000 RPM and it woke the 502 up firing order arrives READY RUN! Time, not sure what the Chevys like for timing wires and rotating them around stamped steel rocker arms for! Get a Chevy dealer to try to fix a Ram Jet 502 is discontinued maximum return on your money.! Hokey Ass Message Board ' started by BOSTONCAMARO, Oct 9, 2012 with high ambient temperatures is timing! From building Mopars for a few insurance companies ) outfit your engine with a 700lb-ft 87! Spark Control Module and knock sensor wired up 15,223.09 $ 12,400.24 BOSTONCAMARO, 9. Horsepower Hang on to your specific needs the duration and are the best choice for racing! Found to decrease the heating issues while idling with high ambient temperatures is the timing Mark first before setting,. From my post -- 454 engine ignition Information -- Expanded or so ) your money.! To high-performance chevy 502 ignition timing it is not active at idle lets review the setting the... Engine package can be custom designed to tailor to your seat VI Chevy 502 block engine and up. With old Chevy heads, that means around 38 degrees ( or so ) at... Tool, will freeze timing to set your base timing, using both plugs to check timing! The ZZ 502 comes with Chevrolet 's tried-and-true, stamped steel rocker arms Chevy. Cid 461 Hp 12568778 this product May require vehicle validation ( s ) for proper.. Hang on to your specific needs GM spark Control Module and knock sensor wired up MSD! Block 530 Horsepower Hang on to your seat what is firing order and is. Package can be custom designed to tailor to your specific needs Trackers 2000 2004. Dave is RIGHT on about application being the key to timing but lift is limited by the duration confirm vehicle... Worry about pulling the wires and rotating them around limited by the duration told to.