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fevrdog
Dodge Dakota
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7/21/2002
21:13:25
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 Subject: engine specs
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Message:
This is probably a bit much to ask but,I have a '99 R/T 360. I'm sitting here trying to fill out a cam reccomendation form for Crane Cams. I need to know the following information for a stock engine: compression ratio,valve sizes[intake and exhaust],rocker arm type[roller?],rocker ratios,type of injection,cam type [roller?]I also need to know what the model designation is for the 4 speed overdrive transmission. By the way if any of you are running 6 lbs. boost with a stock cam what kind of horsepower and torque are you making.Any of this info. would be appreciated.
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98DakV6
Dodge Dakota
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9/15/2004
11:37:56
|  RE: engine specs
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Message:
You have rockers not rollers and they are a 1.5 ratio stock. I think your compression ratio is a 8.9.1. That is the standard on a magnam 360.
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Seth
Dodge Dakota
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10/05/2004
21:07:25
| RE: engine specs
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You dont have roller rockers from factory, you are running a muti-port fuel injection system also known as MPI. Your camshaft is a hydraulic roller, not sure on vavle sizes.
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gen1dak
Dodge Dakota
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10/05/2004
21:30:33
| RE: engine specs
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Message:
Rockers not rollers? There are stock, non-roller rockers, and aftermarket roller rockers.
All Magnum rockers are 1.6:1.
Valves. Intake 1.88 inches
Exhaust 1.617 inches
Tranny is most likely the 46RE.
Compression ratio, according to the Factory Service Manual is 9.1:1.
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