What diameter is a stock harmonic balancer on a 350
Joined: Nov 2008
Posts: 2,097
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From: Milwaukee
Car: 92 Firebird, 77 Trans Am SE, 86 Z28
Engine: 5.7 HSR, T/A 6.6, empty
Transmission: T-5, TH350, T-5
Axle/Gears: 3.08 posi, 3.23 posi, 3.23
Re: What diameter is a stock harmonic balancer on a 350
Stock fbody is 6.75. If it's from a truck or something like that then 8. Timing tab is where the biggest problem will be.
Joined: Sep 2005
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Car: Yes
Engine: Usually
Transmission: Sometimes
Axle/Gears: Behind me somewhere
Re: What diameter is a stock harmonic balancer on a 350
There are several. Anywhere from 6¾" to 8". Earlier ones tend to be larger, the ones that came in our cars are smaller.
What are we REALLY asking? What do you ACTUALLY need help with?
What are we REALLY asking? What do you ACTUALLY need help with?
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Joined: Feb 2019
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Re: What diameter is a stock harmonic balancer on a 350
I'm setting it up for nitrous , I need 12 deg initial timing and 31 deg total timing for a 75 shot. But the distributor must be a low advance distributor. I'm at 16 deg initial timing and and the total timing is about 26. any more initial timing and I will wear out my starter real quick. The diameter is so I can make a deg tape for the balancer.
Joined: Sep 2005
Posts: 27,918
Likes: 2,448
Car: Yes
Engine: Usually
Transmission: Sometimes
Axle/Gears: Behind me somewhere
Re: What diameter is a stock harmonic balancer on a 350
If that's all you need, a tape measure will tell you what you need to know.
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