Harmonic Balancer Help
Thread Starter
Junior Member
Joined: Aug 2013
Posts: 84
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From: West Chester, OH
Car: '91 RS Camaro
Engine: Custom Small Journal 327
Transmission: T-5 5 Speed
Axle/Gears: GM 10 Bolt 3.08
Harmonic Balancer Help
Hey guys. Just a quick question. I'm building a Small Journal 327 with aluminum heads and so on. I'm going to try and use the factory brackets for all accessories and the like if possible. Now my question is I'm trying to figure out what size Harmonic Balancer to use. If I'm not mistaken the factory size is 6.5 inches diameter? What Balancer are you guys using and also what timing pointer? I was really hoping not to spend $200+ if I can help it. Thanks for all the Help I appreciate it.
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Joined: Dec 2002
Posts: 2,535
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From: Bowdon, GA.
Car: 1988 Camaro
Engine: 355, 10.34:1, 249/252 @.050", IK200
Transmission: TH-400, 3500 stall 9.5" converter
Axle/Gears: Ford 9", detroit locker, 3.89 gears
Re: Harmonic Balancer Help
professional product power force 6.75". With just a pointer , not a timing tab as the damper has the timing marks on it. Price is under $75
I used the same one for the last 15 years on a 62 327 then on the current 350. Both engines are 7,000 rpm engines
I used the same one for the last 15 years on a 62 327 then on the current 350. Both engines are 7,000 rpm engines
Thread Starter
Junior Member
Joined: Aug 2013
Posts: 84
Likes: 0
From: West Chester, OH
Car: '91 RS Camaro
Engine: Custom Small Journal 327
Transmission: T-5 5 Speed
Axle/Gears: GM 10 Bolt 3.08
Re: Harmonic Balancer Help
That's awesome thanks!
Thread Starter
Junior Member
Joined: Aug 2013
Posts: 84
Likes: 0
From: West Chester, OH
Car: '91 RS Camaro
Engine: Custom Small Journal 327
Transmission: T-5 5 Speed
Axle/Gears: GM 10 Bolt 3.08
Joined: Mar 2000
Posts: 43,187
Likes: 42
From: Littleton, CO USA
Car: 82 Berlinetta/57 Bel Air
Engine: L92/LQ4 (both w/4" stroke)
Transmission: 4L80E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
That's good. Not all of the early small journal engines were.
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