Quote:
Originally Posted by Ruth
I used a Flat-o adaptor in my '55 with a y-block. Most everything you need in the kit. I think I would look for a later C-4 than a '65 tho. Perhaps '70 on up. JMO.
https://flat-o.com/carproducts/flatomatic.htm
I believe the kit H&H sells is from Flat-o.
Wilcap also makes Flathead adaptors but I think they are for mating a GM auto to the V-8.
http://wilcap.com/
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The C-4's have become very popular behind many engines, I know a man that uses them behind big Buick straight 8' 320 Cid with over 500 HP. The C-4's need some improvements, as do the GM 2004R.. Several years ago it was very difficult to give a C-4/2004R away, now they are like gold.