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| | Forums66 Topics128,051 Posts1,055,764 Members48,426 | | Most Online14,466
Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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| | | Joined: Sep 2007 Posts: 9 New Guy | | New Guy Joined: Sep 2007 Posts: 9 | Looking to add some horsepower to my '66 inline 6. The power goes flat around 2500 rpms and to reach more R's require a downhill or tail wind. Distributor and/or Carb swap....? Any suggestions are greatly appreciated.
Thanks.
Rusty Nuts.
Happiness is a cold beer, a satellite dish & quality time with my dog.....
| | | | | Joined: Feb 2004 Posts: 29,771 Kettle Custodian (pot stirrer) | | Kettle Custodian (pot stirrer) Joined: Feb 2004 Posts: 29,771 | Put a set of Chevy 307 V-8 pistons in it and shave the head .050". That will give you about a 9:1 compression ratio. Then get McGurk or someone similar to grind a cam with about a 260 to 270 degree duration. If you can find one of the intake manifolds for the big rig 292's that ran the 2GC Rochester carburetor, that will give you enough volume to take advantage of the increased compression and cam. Maybe add a split manifold or a set of cast iron headers and steelpacks to free up the exhaust. You'll spend enough to buy a V-8 crate engine, but it's fun to outrun a V-8, and then open the hood and show off the 6-banger!
Jerry
"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!
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