Great Lakes 4x4. The largest offroad forum in the Midwest - View Single Post - V8 or better crawl ratio?
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Old July 20th, 2007, 11:48 AM   #7
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Join Date: 11-06-05
Location: Oxford, MI
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4.7l v8, 45rfe : Underpowered, overpriced.

6.1 hemi (ouch!) waaaayy overpriced for what you get. You can get the same power from an 6.0 chevy with an LS6 cam and intake for half the cost.

or a v8 with 2 extra cylinders and a 48re: Heavy, crappy gearing in trans, ~ same HP than a 5.3. You don't need torque, you need HP. My 4 cyl make enough torque, its HP we all need for wheelspeed. (I own one of these funny V8 +2s with a shitty 48RE..)

5.3s make ~ 300 hp, are available in Aluminum blocks (iron blocks are basically the same weight as a 4.0, the Aluminum block versions are about 80lbs LIGHTER than a 4.0 boat anchor). Iron blocks are available for about $700 all over the place, Aluminums are more like $2k. 4L60es are cheap and easy to swap in.

Gen III GM V8s have better reliability than any of those others.
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