About to throw this TB/plenum setup in the trash

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96Mystic1189

96Mystic1189

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That, is the million dollar question lol. The intake typically falls off around 6500 but if the car is still pulling hard, dont be afraid to rev it.
Well thats the thing, the guys at mhs say just keep the stock springs in it. However if I want to exceed 6400rpm, I have to grab some valve springs.
 
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96Mystic1189

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can you put the old TB back on to see if it stops it?
I could, it was just a PITA with the jlt intake not giving me much flex room to work. I assumed the factory plenum gasket would be ok, people dont typically replace these right? I have a new IAC gasket I will put on today.
 
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96Mystic1189

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I uploaded the stock tune back in and everything seems fine now, back to normal. I had the generic SCT 93 octane tune in that came with the tuner. Guess we can say that tune sucked.
 

white95

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I uploaded the stock tune back in and everything seems fine now, back to normal. I had the generic SCT 93 octane tune in that came with the tuner. Guess we can say that tune sucked.

That is interesting, I also returned my tune to stock and my cars runs better. Sounds a little different too.
 

g36 monkey

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Yea, definitely invest in a good tune. On your car an email tune would be no problem.
 

g36 monkey

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Them, VMP, there are countless places online who will tune 96-98 with no problem at all
 
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96Mystic1189

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Them, VMP, there are countless places online who will tune 96-98 with no problem at all
Well i thought so too, however vmp took it off thier site and Brenspeed only advertises 99-04 and wont respond to me. Even Lund gave up on anything below 05. My car did feel much stronger with the sct 93 tune, it just couldnt control rev hanging.
 

Nighttrain

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The 2v biggest benifit....ohc, and only 2 valves per cylinder. This is why the little honda's and such have so high of rev limiters. We really arent that different. Little longer of a timing chain but as long as the motors getting air itll want to rev. This is why fi works so well for us. You still might have limitations like runner id, and length but the heads are designed fantasticly, incredible swirl which virtually eliminates detonation
 

chris91

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Hit up Willy at Dirty Dirty Racing. He remote tuned my Heads/Cams 2v and it runs great. He's on here too but I can't remember his screen name.
 

Tally_4.6

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Now a stock npi car is not going to rev that high, but when the top end is made to move more air......let the revs begin lol.

Mine will, doesn't mean it's getting me somewhere any faster.

After say 5.5 there's no point in going any higher.
 

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