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01:09:21 - 12/20/2024
V8 Dakotas
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building
Dodge Dakota
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3/01/2003
13:45:44
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 Subject: c/r for a 1977 360
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Message:
i,m looking for the C/R for a 77 360 from a motor home. i,ve found from 8.2 to 1,8.5 to 1, 8.8 to 1,. can anyone tell me ? i,m rebuilding it for a 89 dak. 4x4. i need the info. so i know what i got to do to get 9.5 to 1 C/R. thank -you for any and all info.
building
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b1llyw
DakotaEnthusiast
3/01/2003
20:51:59
| RE: c/r for a 1977 360
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Message:
According to Chilton's, that should be 8.4:1
Bill White
2002 QC 4x4, SLT , 4.7, 5 spd, 3.92 LSD
1995 CC 4x2, SLT, 318, 5 spd, 3.55 LSD
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moparjoe20
Dodge Dakota
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3/02/2003
16:49:11
| RE: c/r for a 1977 360
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Message:
Advertised is 8.2 - it's actually around 6.8-7.0 .
The 360 in my '86 Ram has a '77 block and the stock pistons were about .200" in the hole at TDC and they're dished too.
Get a set of Keith Black 107's if you don't plan on running nitrous or a blower - it will give you about 9.6-9.8 with stock 360 heads and Fel Pro gaskets.
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building
Dodge Dakota
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3/02/2003
17:47:34
| RE: c/r for a 1977 360
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Message:
thanks for info.i,ve already rebuilt motor and
put a crane power max cam and ported heads. i,m just trying to get a better idea on how much to mill the heads.i,m thinking .030 will put me in the ball park.but i don,t know the formula to figure this out.
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b1llyw
DakotaEnthusiast
3/02/2003
19:27:29
| RE: c/r for a 1977 360
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Message:
If you mill the heads, don't forget to mill your intake manifold to match.
Bill White
2002 QC 4x4, SLT , 4.7, 5 spd, 3.92 LSD
1995 CC 4x2, SLT, 318, 5 spd, 3.55 LSD
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