built 302 vs 351
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built 302 vs 351
which would make more power a 302 with new heads with a 63cc chamber and a mild cam or a stock mid 90's 351 roller?
I have a 302 with gt-40 heads on it and have a 9:5 comrpession ratio. and want to either put in a larger flat tappet cam
or just swap in a 351 and bolt on the gt-40 heads on it ?
which would make more power a 302 cammed and heads
or a 351 with just the heads ?
thinking about motor work for the winte
I have a 302 with gt-40 heads on it and have a 9:5 comrpession ratio. and want to either put in a larger flat tappet cam
or just swap in a 351 and bolt on the gt-40 heads on it ?
which would make more power a 302 cammed and heads
or a 351 with just the heads ?
thinking about motor work for the winte
FTE Legend
Joined: Jun 2006
Posts: 31,930
Likes: 1,499
From: Ottawa, Ontario
The 302 with a cam and heads will make more peak HP but the 351 makes more low rpm torque so in a heavy vehicle like a truck it will be faster accelerating. I had both motors(similarly equipped) in my '90 F150 and the 351 was 3 seconds faster 0-60.
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