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Joined: May 2012
Posts: 81
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Member
Joined: May 2012
Posts: 81 |
Bought a 400 out of a Catalina. Was told it was a 72 and never apart. Block number is a 1971 400. Tore the engine completely down for a rebuild. Heads have casting 98. After reading it says its from a 71 455 so that tells me the heads were changed. Question is I was planning on Edelbrock heads but after seeing this should I rebuild these 98 heads for the car. Looking for a great weekend cruiser not a race car. Car has 3:55 gears and a locker.
Thanks.
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Joined: May 2008
Posts: 2,113 Likes: 1
Premium Member
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Premium Member
Joined: May 2008
Posts: 2,113 Likes: 1 |
114 cc (nominal) small valve heads that will put your compression ratio at 8.5 or lower. Personally, I think you can find a better starting point.
1968 400 Coupe, verdoro green, black vinyl top, auto
1969 GTO Judge coupe, Carousel Red, manual
1971 Trans Am, cameo white, auto
1970 Buick Skylark Custom Convertible 350-4(driver), Fire Red, white top, auto
1972 Buick GS Stage 1, Royal Blue, black vinyl top, auto
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Joined: Aug 2002
Posts: 7,495 Likes: 1
Premium Member
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Premium Member
Joined: Aug 2002
Posts: 7,495 Likes: 1 |
Basic economics really. Edelbrock's will cost you min $2500. A good set of iron heads will be less than a thousand to buy and have rebuilt to new. And you can pick your compression ratio based on the chamber size of the heads you buy.
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Joined: Mar 2012
Posts: 1,529 Likes: 41
Member
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Member
Joined: Mar 2012
Posts: 1,529 Likes: 41 |
As well as you can buy dished pistons these days to put the compression where you want.
Pontiac power
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