Why waste your time on an old set of possibly cracked heavy cast iron heads with restrictive ports and poor combustion chamber engineering? They sell a matched cam, manifold & cylinder head that are designed to work together.
Street Legal & Street High-Performance Heads
Edelbrock Performer RPM S/B Chevy
* Designed for 302, 327, 350 and 400 c.i.d. engines up to 1986 * Heads with 64cc combustion chambers improve performance and retain stock compression ratio on 1970 and earlier small-blocks
> To use stock rockers on Performer & Performer RPM Chevy heads, .100" longer than stock pushrods are required. > Use Head Bolt Kits for easy installation. > S/B Chevy heads may not be used on engines with less than 4" bore (262, 265, 283, 305, 307 c.i.d.) except with cams having less than .450" valve lift.
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Today's Featured Article - 12-Volt Conversions for 4-Cylinder Ford 2000 & 4000 Tractors - by Tommy Duvall. After two summers of having to park my old 1964 model 4000 gas 4 cyl. on a hill just in case the 6 volt system, for whatever reason, would not crank her, I decided to try the 12 volt conversion. After some research of convert or not, I decided to go ahead, the main reason being that this tractor was a working tractor, not a show tractor (yet). I did keep everything I replaced for the day I do want to restore her to showroom condition.
... [Read Article]
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