Thread: 70mm or 75mm?
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Old 11-19-2006, 11:34 AM   #4 (permalink)
r3dn3ck
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Join Date: Nov 2005
Location: Magrathea/California
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yeah, it's brain-dead simple to bolt on. Remember that a lean condition is more likely to cause engine damage than a rich condition so take it and get a dyno run and check your AF ratio. Anything higher than 13.0:1 is too high and says you need a tune adjustment.

The solution to the TPS voltage is simple... you oblong the bolt holes in the sensor body a bit so you can turn it a little one way or the other till the voltage shows .98-ish.

Still.. I'm tellin ya', 75 is not for mild NA cars. Stick with the 70. Same power benefit if not more and no big issues with the install. I bolted a 70mm accufab up for a member of this board on friday and it took very little effort and about 15 minutes. The plenum takes about the same amount of time.
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