JDM Lower Intake Manifold vs Extreme LIM

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02-09-12, 06:06 PM

#26

Flybye

It's never fast enough...

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Quote:

Originally Posted by nsk1

sounds like money well spent to me. is the upper intake manifold not that much of a restriction? i cant really find anything on that. some people attempt to port them....

All I've ever done to my upper was jet hot coat it and I removed the butterflies from the TB and that made the butt dyno happy. The jet hot coating is like a poor man's polish job, but it really makes a difference.

Kinda hard to gauge against a real polish job since most people port and polish at the same time, though.

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02-09-12, 08:00 PM

#27

mr_squiggle_1

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What are the benefits to moving the middle injectors further up the runners?

Do people still run the primary injectors aswell?

would certainly clean up the fuel routing removing the primaries and running only the one rail.