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89z24
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 Posted: Sat Jan 17, 2004 1:35 pm Post subject: Building a 2.8? |
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| Well I'm debating the idea of building a 2.8 v-6, I'm wanting to use various engine parts, like a 3400 crankshaft along with the 3400 heads, and intake, and was wandering if it was possible? If I could use my stock rods, or 3.1 rods, or 3400 rods? Or would I have to figure all these measurements out on my own? What pistons should I use, etc? |
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Six Shooter
Still plays with cars
Joined: 13 Dec 2003
Posts: 913
Location: In the driver's seat
1985 GMC S-15 Jimmy
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| Posted: Sun Jan 18, 2004 2:48 am Post subject: |
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Well you do need to do some research, to find out what will happen when.  But....
When using a 3400 crank in a 2.8 block with a stock bore you get a 3.1.
Yes, you can use the 3400 top end, that what makes a hybrid a hybrid.
All factory 660 rods are the same 5.7" length, so yes you can use any of those rods you mentioned.
You would be using pistons for a 3.1, but oversized to whatever over bore is done to your block.
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