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Old 11-28-2008, 08:53 PM   #29
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I doubt it. I believe the PCM will adjust to the intake and shorties fine. Cats', with the shorties, will still be the original ones, so there's no problem there. If you were going to run long tubes, then, you'd probably have to tune out the rear 02s at least, and maybe the front, depending on if the car is in Open Loop or Closed Loop. You could tune it if you wanted to extract every little bit of power, but you probably wouldn't really need to.
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Old 11-28-2008, 10:52 PM   #30
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Old 11-29-2008, 04:25 PM   #31
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Quote:
Originally Posted by radz282003 View Post
I doubt it. I believe the PCM will adjust to the intake and shorties fine. Cats', with the shorties, will still be the original ones, so there's no problem there. If you were going to run long tubes, then, you'd probably have to tune out the rear 02s at least, and maybe the front, depending on if the car is in Open Loop or Closed Loop. You could tune it if you wanted to extract every little bit of power, but you probably wouldn't really need to.
you could run o2 extensions and keep all 4 sensors. as for a tune, might as well wait till you've gotten the intake and some other mods done before tuning. that is unless you have access to a dyno for cheap.
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Old 11-29-2008, 04:47 PM   #32
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I'm gonna go out on a limb here...This is apples to oranges now...Stainless shorties for a small block V8 usually advertise ~8-10 hp gain, a little better torque gain. They ARE stainless (which if taken care of may last the life of the car) Having said that, expect them to be well north of 600 bucks...They ARE stainless!

600 bucks for 4 or 5 hp...what a deal!!!


not.
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Old 11-29-2008, 04:58 PM   #33
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600 bucks for 4 or 5 hp...what a deal!!!


not.



hell, I could make my own for that price.
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Old 11-29-2008, 05:19 PM   #34
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If they were 200 I wouldn't want them...

GM makes a very good manifold these days. High flow and thin walled...STOCK!
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Old 06-17-2010, 04:38 PM   #35
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I'll be staying away from longtubes myself ... emissions won't be fun ... I think the shorties will provide a decent gain w/ supporting mods ..

Crowley
hahahahah
you sure stayed away from long tubes.


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Old 06-17-2010, 07:01 PM   #36
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http://www.google.com/#hl=en&source=...074d23dbd176d0

I think I saw $425.00 somewhere on line for 1 3/4" Stainless Shorties.
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Old 06-17-2010, 08:35 PM   #37
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Never thought I would say this but those are the ugliest damn headers ever...if there is such a thing.

Thoughts on how Long Tubes compare to shorties with a new midpipe with high flow cats? I know that does not make sense (just buy the Long tubes first) but I already have the shorties and they were at an extremely reduced rate.......
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Old 06-18-2010, 11:10 PM   #38
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I picked up my JBAs for $203 new. I had then coated and just installed them last weekend.When I do the cam I may put long tubes on or Solo has a high flow cat coming for the L99.
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Old 06-18-2010, 11:28 PM   #39
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hahahahah
you sure stayed away from long tubes.


(see your sig)
So you necro'd this 1.5yo thread to say "HA" ?
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