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Found 2 results

  1. My son is buying 72 Chevelle from a friend of mine. (I have a 71 myself.) It's been in storage a number of years and needs a lot of work. The 350 in there is pretty shot and needs replacement or an overhaul. Standard Chevelle with an automatic, floor shift and bucket seats. 10 bolt rear with probably 2.73 gears. I've heard of people running late model Vortec heads on a small block. Seems they have good flow for stock. I have a 4 bolt main 350 out of a Chevy truck and have access to a pair of heads, There are intake manifolds available for carburetors with these heads. Anyone attempted or running this? I'm thinking bore the block .030 and put in flat top pistons. Dual plane intake like an Edelbrock Performer and 600 or 650 carb. 268 or 270 range cam, find some 3.55 or 3.73 gears and maybe a little looser converter. Do these heads require different headers? I've heard both ways. The chambers are pretty small so with flat tops the compression is probably 10 to 1 or so. I also have another set of 186 casting 1970 GM heads which is what I'm using on my car. Maybe should detune my engine and put it in his car and build myself a better one. ?
  2. My son is buying 72 Chevelle from a friend of mine. (I have a 71 myself.) It's been in storage a number of years and needs a lot of work. The 350 in there is pretty shot and needs replacement or an overhaul. Standard Chevelle with an automatic, floor shift and bucket seats. 10 bolt rear with probably 2.73 gears. I've heard of people running late model Vortec heads on a small block. Seems they have good flow for stock. I have a 4 bolt main 350 out of a Chevy truck and have access to a pair of heads, There are intake manifolds available for carburetors with these heads. Anyone attempted or running this? I'm thinking bore the block .030 and put in flat top pistons. Dual plane intake like an Edelbrock Performer and 600 or 650 carb. 268 or 270 range cam, find some 3.55 or 3.73 gears and maybe a little looser converter. Do these heads require different headers? I've heard both ways. The chambers are pretty small so with flat tops the compression is probably 10 to 1 or so. I have a set of 186 casting 1970 GM heads which is what I'm using on my car. Maybe should detune my engine and put it in his car and build myself a better one. ?
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