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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!
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| | | | Joined: Sep 2006 Posts: 1,276 Shop Shark | | Shop Shark Joined: Sep 2006 Posts: 1,276 | Luke as far as pistons for your 383 I would use a hypereutectic piston with a pin height for the 5.7” 350 rod or an aftermarket 6.0” rod. Stay away from the shorter 400 rod.
The hypereutectic piston is almost as strong as a forged but can be fit a lot titer so they don’t rattle during warm-up like a forging will. They also seem to build a little more power because they reflect more of the heat back in to the chamber.
As for your cam I prefer Comp Cam’s give there tech line a call armed with this info.
1 How you want the vehicle to perform.
2 vehicle weight.
3 Gear ratio and tire size.
4 RPM you plan to run
And 5 if you can obtain a flow chart for them heads that would be great. | | |
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