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Forged Replacement Pistons for the LN3

Old 09-18-2006, 01:29 PM
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Originally Posted by 1337ssei
remember the tranny...it wont hold for long under nos or a supercharger..
ITs different and it'll be cool to see how fast you can get it...you may have serious problems bolting up that m90
I will disagree with the Trans statement, but that is for another post...lol

why would he have problems bolting a M90 up to a Series 2...he already has the Charger, LIM and TB
Old 09-18-2006, 04:49 PM
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I was under the impression it was an l36...you need l67 heads and a few other things to get it all to blot up
Old 09-18-2006, 05:03 PM
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Wow, this seems like a very interesting trial. Finally we get to see what an LN3 can really do. And I'm thinking the THM-440T4 would hold up ok for a little while as long as it has a heavy duty cooler. ESPCIALLY it being a florida car.

Make sure to take lots of pics when you finally do this rebuild, that would certainly be a good set to catalog.
Old 09-18-2006, 08:00 PM
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I have the LN3 in my fiero...and have been looking to do some upgrades...either turboing...or swaping to L67 heads and finding a blower and manifold for it...but i also was looking at the bottom end... So in the end you can swap the cranks between the L67 and LN3...but will the L67 pistons and rods go along with the crank into the LN3 block? Also...when you add the Blower and Nos...what are you doing for the computer? (probably something for another post, but im curious :P ) Also, how big of a shot of nos are you planning on using? Ive got a friend who might give me a 50 shot kit...i figured that wouldnt be too big for the LN3 to handle...although my engine does have over 190,000 (not sure the exact, I lost the insturment cluster during the swap)
Old 09-19-2006, 08:19 PM
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Originally Posted by fireclan724
Also, how big of a shot of nos are you planning on using? Ive got a friend who might give me a 50 shot kit...i figured that wouldnt be too big for the LN3 to handle.
Not really, the general rule is no more than 40% of the base motor'* rated hp. This is going on in a seperate thread, which I'm doing in stages as I take the photos and try stuff out. But to answer your question, I've got quite a few jeting combinations to try out. The first being a 30/22. Also have 59/33 (approx 90hp hit) and 76/56 (140hp) jet sets. We'll see what happens.
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