Overbore question

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12-13-2001, 05:18 PM

bullseye

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Overbore question

I plan to add a nitrous oxide set-up next January or so, but the car has 184,000+ miles on it. I'm considering a build-up to prepare for the juice, including an overbore, forged pistons and con rods, and other related goodies. Any comments/suggestions? Thanks as always.

12-13-2001, 06:25 PM

bert

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Big-a$$ fuel pump, bigger injectors, new ECU programming and colder plugs.

You don't want it running lean.

The biggest problem is detonation (pre-ignition) which kills the pistons, rods and crank.

12-13-2001, 07:41 PM

mzmtg

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remember, the VQ is an open deck block, so overboring must be done very carefully.

12-13-2001, 07:55 PM

theMax

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Quote:

Originally posted by mzmtg
remember, the VQ is an open deck block, so overboring must be done very carefully.

what does open deck mean?

12-13-2001, 08:01 PM

Maximamike

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Quote:

Originally posted by theMax
what does open deck mean?

Left - Stock Open deck B series Honda block, Right - Unmachined closed desk Dart/Payne Industries B series Honda block.

http://www.darksol.com/images/dart2.jpg

12-13-2001, 08:06 PM

theMax

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Quote:

Originally posted by Maximamike

Left - Stock Open deck B series Honda block, Right - Unmachined closed desk Dart/Payne Industries B series Honda block.

http://www.darksol.com/images/dart2.jpg

thaks for the pic, so open is a different type of gasket setup?