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Posted by Matt Maund [174.140.71.8] on Friday, February 05, 2010 at 09:46:45 :
In Reply to: Re: 413 question posted by Todd Wilson [64.123.119.171] on Friday, February 05, 2010 at 01:25:33 :
1965 was the last year for the car engine which was a little over 10:1. They used 6 bolt cranks. The 71 motorhome engine uses the same 6 bolt crankshaft as a 62-65 413 car motor and is balanced the same, so no worries there. That steel crank is also used in the 64-65 426W and the 66-72 440s. The heavy truck engines had an 8 bolt crank with an extended flange, and they don't work in a car or pickup truck. You would need to swap it out to the 6 bolt crank. The truck and motorhome engines were only 8.2:1 compression. The intake manifolds all interchange, there's nothing special there. The truck and some of the RV motors had a very large water pump that fed ports in both the block and the heads. And while the heads had extra holes to accomodate that pump, you can easily block them off and use a car/pickup style water pump in place of it. Been through this a million times. Call me at 412-400-7281 if needed.
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