gear drive - Team Camaro Tech
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post #1 of 7 (permalink) Old Jan 14th, 01, 04:49 PM Thread Starter
Join Date: Apr 2000
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are there any real problems in installing a gear drive instead of the timing chain setup on a car, and need suggestions on a good brand to buy.
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post #2 of 7 (permalink) Old Jan 14th, 01, 05:04 PM
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The popular duall idler gear drives like the Pete Jackson and Edelbrock are just as easy as the chain setups. I would say there is no one better than the other. It is rumered that they transmit crankshaft harmonics to the valvetrain. But if your running a high HP motor that will see high RPMs I think it is a must. They are cheap insurance. I love the gear whine sound also. I had a Pete Jackson in a 69 camaro with a 383 and 6" rods with dart heads. Drove it for a couple of years as a weekend toy. The gear drive barely had any gear wear.
post #3 of 7 (permalink) Old Jan 17th, 01, 03:02 PM
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Location: Dtown PA
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the only problems you will have is if the engine is in the car. you need to remove the first 6 or so oil pan bolts, because the timing chain cover front seal is part of the oil pan assembly. throw a chrome cover on while your at it, other than that, should be no problems, just remember to re install the harmonic balancer CORRECTLY, dont get mad and beat it on. use the balancer installer bolt method. and you will be fine.

I love gear drive whines. I want to get one so it out whines my Powerglide.

Chris's 67 RS can be seen at
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post #4 of 7 (permalink) Old Jan 18th, 01, 12:00 PM
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LOL Chris. I know the feeling!


1992 Firebird 355/Six Speed (Soon to be LT1)
1991 RS 350 / 700-R4
1987 Toyota Pickup 383 / 500 + HP 10.963 @ 119.95 Slicks / 11.997 @ 114.23 Radials
"Speed KILLS, so drive a FORD and live forever!"
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post #5 of 7 (permalink) Old Jan 18th, 01, 12:50 PM
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Location: Monroe, WA, USA
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they do transmit harmonics, also when they go it is a realy bad thing. if this is a daily driver i would look at the single idler type as they are a much better set up. or a good chain..unless you are gona rev it over say 6000 on a regular baseis i would not use one, and the same for a daily driver..that is my .02.
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post #6 of 7 (permalink) Old Jan 20th, 01, 08:42 AM
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You might have to machine the the front of the block down a little bit, I know you do on a double roller timing chain, not sure on a gear drive.
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post #7 of 7 (permalink) Old Jan 22nd, 01, 08:48 PM
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I had one on a street rod , it liketa drove me nuts listining to it. Damn I must be geeting old I used to love the noise.
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