My friends 74 Custom Deluxe Pickups timing is off. How do we go about resetting it?
350 small block
2 bbl
5.7 liter
350 small block
2 bbl
5.7 liter
Oct 20, 2006 at 5:27 AM
1974 Chevrolet Pickup Timing Off
1974 CHEVROLET
SUPERPANDAGIRL
- MEMBER
- 2 POSTS
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If you aren't that experienced at doing this I would reccomend getting a timing light and a good friend that has some knowledge in this area. Then you should probably start with a setting of 8-12 degrees BTDC( before top dead center).Most older chevy's
normally are somewhere in this range unless some hi-po mods have been done. As stated it needs to be running without missing due to fouled plugs and such.
If your timing is too retarded you will "ping" at slow rpm's and too advanced will "ping" at higher rpm's.Either way you don't want to hear that. Timing by "ear" can be difficult even for experienced people
working on motors. You get in that range[8-12*] and you should be able to fine tune from there. :wink:
normally are somewhere in this range unless some hi-po mods have been done. As stated it needs to be running without missing due to fouled plugs and such.
If your timing is too retarded you will "ping" at slow rpm's and too advanced will "ping" at higher rpm's.Either way you don't want to hear that. Timing by "ear" can be difficult even for experienced people
working on motors. You get in that range[8-12*] and you should be able to fine tune from there. :wink:
Oct 21, 2006 at 3:39 AM
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Suggested Repair
Use a timing light with someone experienced. With the engine running smoothly and not missing, start at 8-12 degrees BTDC and fine-tune from there. Avoid setting timing by ear; retarded timing can ping at low RPM and advanced timing can ping at higher RPM.
Conversation Summary
The owner asked how to reset ignition timing on a friend's 1974 Chevrolet Custom Deluxe pickup with a 350 small-block and 2-barrel carburetor. The expert recommended a timing light and experienced help, starting around 8-12 degrees BTDC if no high-performance modifications are present, then fine-tuning while avoiding pinging.