m90 supercharger kit - TCCoA Forums
 
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post #1 of 17 (permalink) Old 11-03-2011, 11:25 AM Thread Starter
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m90 supercharger kit

http://cincinnati.craigslist.org/pts/2624404532.html

I know its been said before that you cant put this on a n/a v6, but im just curious as to why.... Also if I bought this kit what else would I need to make it work?

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post #2 of 17 (permalink) Old 11-03-2011, 11:32 AM
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Stickied at the top of this subforum:

http://forums.tccoa.com/showthread.php?t=134006

-Brandon
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post #3 of 17 (permalink) Old 11-03-2011, 11:57 AM Thread Starter
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I know I've seen that, it just doesn't really explain why... is it a compression thing or what? lol.

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post #4 of 17 (permalink) Old 11-03-2011, 12:27 PM
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to quote the sticky, "The long and short of it is, the Super Coupe's 3.8L engine is a lot different from every standpoint, including the head design, block construction, and rotating assembly durability. Not to mention, the N/A 3.8 has higher compression than the SC."
Basically your NA engine can not handle it and would blow up/

I love my V8, but I'd love it more if all 8 cylinders worked. (they do now)

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post #5 of 17 (permalink) Old 11-03-2011, 12:29 PM
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Forged internals, lower compression, different design in the block and heads. I've read some running up to ~8lbs on the stock N/A engine with an M90, but the consensus is "just don't do it". Just transplant the SC engine into the car if you're bent on it.

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post #6 of 17 (permalink) Old 11-03-2011, 12:32 PM
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Quote:
Originally Posted by theterminator93 View Post
Forged internals, lower compression, different design in the block and heads. I've read some running up to ~8lbs on the stock N/A engine with an M90, but the consensus is "just don't do it". Just transplant the SC engine into the car if you're bent on it.
Make it a 5 speed while you're at it. Better yet, just buy a super coupe

I love my V8, but I'd love it more if all 8 cylinders worked. (they do now)

My T-bird is like George Jetson's wife, you try to give her a little money, she takes the whole wallet.
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post #7 of 17 (permalink) Old 11-03-2011, 03:03 PM Thread Starter
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Yeah I'm not too set on doing it... I'll just split port it.

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post #8 of 17 (permalink) Old 11-03-2011, 05:02 PM
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Quote:
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Yeah I'm not too set on doing it... I'll just split port it.
Why even bother with the split port ? Just save your money.
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post #9 of 17 (permalink) Old 11-03-2011, 05:37 PM
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Forged Rods and Crank are the big things.

While yes the block is different--I--feel a N/A block can be used. Also detention is always happening in the SC and unless you swap the SC EEC you have no provision for a knock sensor, so either need to have a custom tune or low boost.

If you want a IC you either need a SC radiator or front mount IC.

If you buy that kit you will still need rods, crank shaft pulley, harmonic balancer and I would suggest pistons. SCs can be had for less.

If all else fails get a bigger hammer!

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post #10 of 17 (permalink) Old 11-03-2011, 08:12 PM
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S/C top end on a N/A 3.8 bottom end is like a really hot chick with STD's, everyone wants to tap that, but are afraid of the consequences.

Michael M. ASE P2 Automobile Parts Specialist.

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post #11 of 17 (permalink) Old 11-03-2011, 11:13 PM Thread Starter
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Quote:
Originally Posted by Mgino96tbird46 View Post
S/C top end on a N/A 3.8 bottom end is like a really hot chick with STD's, everyone wants to tap that, but are afraid of the consequences.
LMAO!!!!

So should I just save my money and find a v8 bird/sc?

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post #12 of 17 (permalink) Old 11-04-2011, 12:15 AM
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Quote:
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LMAO!!!!

So should I just save my money and find a v8 bird/sc?
If it were me, I would...unless you'd like to swap in the S/C set up. That's entirely up to you though.

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post #13 of 17 (permalink) Old 11-04-2011, 12:39 AM
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You could always drop a 5.0 in there. Throw on some cobra parts and have a ball.

I love my V8, but I'd love it more if all 8 cylinders worked. (they do now)

My T-bird is like George Jetson's wife, you try to give her a little money, she takes the whole wallet.
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post #14 of 17 (permalink) Old 11-04-2011, 03:12 PM
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Quote:
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LMAO!!!!

So should I just save my money and find a v8 bird/sc?
Definitely.

I have a 94 LX with the 3.8 NA and although I plan on upgrading the motor in it someday, that doesn't do much for me in the meantime. If you haven't driven a SC go do it, it will make up your mind for you. You can find a SC relatively cheap if you keep your eyes open for one. Took me 3 years to find one I could afford that was in decent shape.

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post #15 of 17 (permalink) Old 11-04-2011, 03:44 PM
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i say drop a 351w based motor in there.....

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post #16 of 17 (permalink) Old 11-04-2011, 04:49 PM
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I know I'm going against the grain here but I say do it, BUT save for a build short block while you enjoy it. Can't be any worse then the 4.6 PI head blower combos, which used to be taboo. It's your car do what you want with it. Build the top end, run it till it blows then build the bottom end to withstand anything you can throw at it. Or if your too thwarted off by the comments of others then do the easy way out and go with the flow, sell it and buy an SC. Your the only one who can decide if this build is worth the risk for you. You'll need more then just what they have in that craigslist add though, IIRC you'll need the heads also.

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post #17 of 17 (permalink) Old 11-04-2011, 05:24 PM
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If you put a SC top end on a N/A bottom & rotating assembly it will blow and if does like my SC did you will be out a block too--and that was with a complete SC motor.

I tried to dissuade a Mustang owner from doing this exact thing and he got about 1000miles before it grenaded.

If you put a M90 on you need a forged rotating assembly.

If all else fails get a bigger hammer!

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