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Jason52
Dodge Dakota
JOIN HERE
3/07/2006
23:13:00
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 Subject: Larry, rebuild questions
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Message:
Hey larry...or anyone else with experience. Im going to find a cheap 3.9 and rebuild it. My question is first is it a bad idea...or what are the best things to increase performance during the rebuild... IM already putting the 1.7 rr or 1.6 and a cam. I want to do a rebuild so i can do everything at once.
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R/T=FAST
Dodge Dakota
JOIN HERE
3/07/2006
23:45:02
|  RE: Larry, rebuild questions
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Message:
Just buy an 8 cyl, you will get all more power for almost the same amount of money.
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J and J Auto
GenII
3/08/2006
10:05:32
| RE: Larry, rebuild questions
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Message:
You can bolt a V8 right in the only diff is in
the wire harnass you need to add the #7 & #8
injector wires everything else will plug right in
Rebuilding is also a good option
Intake gasket match ports if you want to go
farther remove the devider depending on year and
shorten the runners from 16" to 14"
Heads flow fairly well just a good cleanup on the
ports and polish, the V6 heads are touchy if
you start porting and go a little to far the
low end will drop off real fast
Crank is very strong in stock form but if you
find a good crank guy who will do some machining
you can do that and use the 318 rods which are
wider and heaver but not nessisary
Hughesengins.com has some 9.8 to 1 pistons you
can use to up the comp with the stock 58cc head
Other than that they are worth rebuilding
matching the ports and polish head ports will
add about 20hp if you shorten the runners another
15 right around 3000rpm the pistons another 10hp
use the moly rings once seated will run well
over 100,000 miles
Larry
J&J Auto
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