matthon
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- Aug 29, 2008
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71 383 HP with a stock 4 barrel intake, complete except no carb, 346 heads. Assumed 8.5:1 compression.
Pulled valve covers and exhaust manifolds, looks clean, been sitting inside a friend's heated garage for years.
Going in car with headers, dual exhaust, and a 4 speed, crank has correct hole/bearing.
I have extra parts from another 383, including a Performer RPM intake and Holley 750, (also a tunnel ram and matching 600s).
Small budget, looking to make it run again.
What would be the best thing to spend a few dollars on?
Is the RPM/Holley combo possible as is, or with a new cam?
Or does the compression ratio need to be improved first?
With possibly a used set of heads.
My understanding is a set of closed chambered heads would raise the compression ratio. I have a set of 915s, however one of the 915s was machined below the springs and spacers used. I have the valves, springs, shims, etc, to put them back together but beyond my skill level, and not sure if it is even realistic.
Pulled valve covers and exhaust manifolds, looks clean, been sitting inside a friend's heated garage for years.
Going in car with headers, dual exhaust, and a 4 speed, crank has correct hole/bearing.
I have extra parts from another 383, including a Performer RPM intake and Holley 750, (also a tunnel ram and matching 600s).
Small budget, looking to make it run again.
What would be the best thing to spend a few dollars on?
Is the RPM/Holley combo possible as is, or with a new cam?
Or does the compression ratio need to be improved first?
With possibly a used set of heads.
My understanding is a set of closed chambered heads would raise the compression ratio. I have a set of 915s, however one of the 915s was machined below the springs and spacers used. I have the valves, springs, shims, etc, to put them back together but beyond my skill level, and not sure if it is even realistic.