Gear-Drive Timing Set vs. Chain-Drive Timing Set - Hot Rod Forum : Hotrodders Bulletin Board
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View Poll Results: Gear-Drive Or Chain-Drive Timing Set?
Gear-Drive Timing Set 3 27.27%
Chain-Drive Timing Set 8 72.73%
Voters: 11. You may not vote on this poll

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Old 12-24-2003, 04:21 PM
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Gear-Drive Timing Set vs. Chain-Drive Timing Set

Which is better of these two timing sets?

Which of the two will cost the engine more power to turn?

I kinda like the looks of those Pete Jackson Gear-Drive Timing Sets is the reason that I'm asking.I'm just trying to find out if they will cause damage to my engine or rob any more power than the chains will.

Any Insight Is Appreciated!!

Nightrain

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Old 12-24-2003, 04:36 PM
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I like chains... dont like the annoying whine of gear drive. They claim the gear drive makes for more accurate timing & no chain stretch....but on the other hand the gear to gear does create more friction. Apparently its personal preferance....if you like here a noise that shouldnt be there...go for it.
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Old 12-24-2003, 04:45 PM
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What does that whine sound like that the gears put out?Is it like a supercharger or something?How loud is it?I guess it all depends on your engine...

Nightrain
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Old 12-24-2003, 05:19 PM
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yeah, people put em on cause they think it sounds like a blower...I think Pete jackson website has audio clips of there gear drives, wich are available in both noisey & quiet. both of em are annoying to me. I like a blower whine......from a blower.
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Old 12-24-2003, 05:20 PM
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I hear ya .

Nightrain
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Old 12-24-2003, 05:38 PM
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I have a Comp gear drive on the 23 and its quiet. The blower is quiet also because of the serpentine belt. Cog belts make the noise.
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Old 12-25-2003, 09:32 AM
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If you ever get a chance, go to an Engine Builders show, or the PRI show at Indy, talk to the pro builders and they will tell you that the WORST item you can put on a small block chevy is a gear drive, put your money in a good true roller or if you gotta spend money get a Jessel type setup, they are the state of the art at present.
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Old 12-25-2003, 04:25 PM
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I would say a decent quality true roller chain is WAAAY better than a floating dual idler gear drive. I wouldn't use the floating type, my buddy has had many eat themselves up time and time again.
I would run a fixed idler gear drive, in fact I do. I had no real choice as my EFI depends on an accurate signal from it's dual sync distributor.
I think the Jesel belt drive IS the way to go, but it's fairly pricey, not much good for the average street car.
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Old 12-25-2003, 04:36 PM
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Most of the gear drives are only good to 7000 RPM, not that many people rap that engines that high. Also they do rob a small amount of HP. Really it would depend on your application and what you intend to do with your engine. I run a PJ on the El Camino and love the obnoxious whine.

Eric Cliffton
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98 H.D. Fat Boy
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