WebSep 15, 2010 · Do instead of advancing your timing as the throttle in opened it actually retards your timing as the throttle is opened. That is why your suppose to hook the … WebDec 17, 2024 · Buy MAS Performance Ignition Distributor w/Cap & Rotor compatible with Chevy/GM SBC 350 BBC 454 HEI 65k coil 7500RPM DD-SBC-HEI-V8 ... JDMSPEED New 10.5mm Spark Plug Wire Set Replacement for HEI SBC BBC 350 383 454 Electronic ... one that's fairly heavy for good idle and the timing mark doesn't flail all over the place when …
Setting initial timing on a small block Chevy (SBC
WebFeb 20, 2024 · Disregard the stock timing specs. Start with 14-15* at idle,without the vacuum advance hooked up. Hopefully the mechanical advance will be in the 20* range and put your total (without vacuum advance) to be 34-35* at around 3000 rpms. My 1970 SS454 LS6 SuperCar certified stock appearing 11.90@113 MPH My 1964 Big Block Corvette Gasser … WebSep 16, 2010 · If initial timing is 12 than total should be 37. If your engine likes more total timing, say 42 degrees, your initial will be 17. This is measured with the vacuum plugged. Changing springs will get you to total timing faster or slower depending on what you need. Changing the stop bushing will give you less or more range. Confused yet? jim doyle business forward
HEI Distributor Tuning - OnAllCylinders
WebOct 24, 2024 · How to adjust timing - 350 Chevy small-block Hagerty DIY Hagerty 2.55M subscribers Subscribe 757K views 5 years ago In this Hagerty DIY, Kyle Smith walks you through the process of … WebJul 21, 2010 · At 3000 RPM's (non-WOT) you can pull vacuum, which would screw up your timing readings depending on what your vacuum advance is doing. So, set your initial … WebMar 28, 2009 · Locate #1 firing by way of compression, then turning the engine by hand until the piston reaches TDC right after #1 compression; and check the timing tab/mark accuracy. The engine does not care what your timing light, mark, and tab "say". All it cares about, is when the spark occurs. jim doyle heating