454 Timing Issuescontribution Html Trucksncars Cam And Chain

I have a 1999 baja outlaw 25 with a 7.4 mpi and i'm not getting advance timing. Most of the older 350's timing are set about 8 deg before top dead center. Setting timing for total only with no regard to base timing is a racers trick that's just fine for a round round or strip race car motor that is generally at or above where total timing is.

454 timing help

What is the right setting? I recently rebuilt my 454 chevy. If your vacuum advance is adjustable you can use a small hex key to adjust it.

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It would go through the port at.

Then rev the motor slowly until you have full mechanical advance. If i time it by hand it seems to. I recently setup my timing on my 454 using manifold vacuum on the vacuum advance and i like the way it runs. Use a dial back timing light or timing tape to get total advance.

Shine the timing light at the harmonic balancer timing mark on the driver's side of the engine. I have checked the base timing in service mode and it is at 8 deg. Read the number on the timing plate adjacent to the timing mark on the balancer. This method was recommend by the tech at racer brown.

454 timing help

I have a pair of 425 hp 454's one does not time the same as the other.

The manula says ten but someone mentioned at least 10 is best. Some california smog certified 350 timing were set back to 0 deg or, at top dead center. New long duration, high lift cam, msd stuff, 101 cc ported oval port iron heads,. So for 36* total timing you would mark your damper at 2.51 ahead of the timing mark.

I took the boat out yesterday. I came across a timing light at a yardsale so i checked the timing on my mid 70's 454, the harmonic balancer timing mark wasn't on the tab on the timing cover! If i use the timing marks one engine has difficulty starting & backfires.

Q&A Chevy 454 Timing at Idle GMC Sierra 3500 1994 Specs

454 timing help

TrucksnCars 454 cam and timing chain