FS: Upstate Performance Ported manifolds

Last edited by studderin on Sun Apr 11, 2004 2:40 pm; edited 5 times in total

These are sets I ported, welded, and reworked (stock exhaust manifolds). The front manifold is opened up the the gasket size then ported fully inside the runner. So the full runner is opened to the ext port size. Fully they don't neck down. The rear manifold is rewelded on the outside and inside welds removed.
Everthing ZZP dose to there $250 ported manifolds was done, Plus more work on the front manifold . Not just gasket matched then blened to the stock small size. (I have intalled and looked over, a ZZP set) You have to see this set next to a stock set I have. Shocked

Feel free to come over and see them,

With a 3' RT/DP with these manifolds, I lost 3psi of boost. Over the stock DP and manifolds. I ported them to work with a 3' DP so they work best with it. (outlet was welded and ported to 3") You loose boost when you free up your exhaust, Boost is airflow NOT getting around the intake valve. So your flowing more air thu the motor. The engine is a air pump, so air the motor CAN'T use is meauserd in boost. But A GT will gain HP and gas milage with them. Same as a GTP.
I could and ran a 3.20 pulley 24/7 all summer on 93oct, with 0 KR. Some Ataps on hot days showed a few litttle KR spikes. Mostly high 1.x low 2. spikes in 3rd WOT and down shifts. Ran constent 13.5's at 101-102MPH this summer, in the heat. With several 13.4's and a 13.375@102.5. This was with a STOCK CAT BACK.
I had a 3.20, upstate CAI, DHP, RT/DP, 1.9 rockers. With the ported manifolds.
And they look stock. Cool

So it's dealer friendly, But your car hauls ass for just a airbox and a pulley.

I'm still doing the ported manifolds PM me.
$100 for a set
$35 for just the front
This is a core exange for your stock manifolds, exchange. So get a differnt set form Scott Preston if you want to keep your set.
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New Era performance

01z28, M6 NA, mullet, T tops, siqqqq

Posted: Thu Oct 02, 2003 11:24 pm Post subject:

if i had cash layin around i would jump all over those.. Unfortunately im tapped out for a little while Sad

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3.25/1.9/DHP/TOG/BORLA/M90PORT/

Posted: Fri Oct 03, 2003 9:36 am Post subject:

Hmmmm...these should complement my other mods that have yet to be installed.

Posted: Fri Oct 03, 2003 12:34 pm Post subject:

John,

You get yourself a official Upstate Performance website yet?
_________________
Shelby GT500 Convertible
Whipple HO Supercharged
Tokico D-Specs, Eibach Sportlines, BMR LCAs
FRPP 4.10s, MGW Shifter, CDC Light Bar, KDWs
Kooks LTs, Mac Prochamber to Pypes Mid-Mufflers

Posted: Sat Oct 04, 2003 3:42 pm Post subject:

Posted: Mon Oct 06, 2003 2:34 pm Post subject:

holy bejeezus john in addition to the DP i just bought i could spend another $450 to you for a airbox and these. but i'm saving for either (a) GMPP suspension or (b) a new suit

MG
_________________
1998 Silvermist GTP Coupe
Bone stock unicorn
1998 True Green Metallic GTP Coupe
Pullied, cammed, intercooled. With a kiddie seat. It once ran a 13 flat.
1998 True Green Metallic GTP Sedan (retired)
Stock: 14.33 @ 96.5
PB: 13.89 @ 101 mph

Posted: Mon Oct 06, 2003 4:17 pm Post subject:

Posted: Mon Oct 06, 2003 5:37 pm Post subject:

Posted: Tue Oct 07, 2003 7:24 am Post subject:

Jon as much as i would love to buy these i dont have the money right now.

But my main question is that when i do get money together how much would it cost me to get a set done? Would you prefere me to bring over a core set and just drop them off or use my stock ones?? I have a few things im saving up for over winter and I would like to add these to my wish list. Plus if im there with ya i could learn a few things also.

Posted: Tue Oct 07, 2003 7:27 am Post subject:

Posted: Tue Oct 07, 2003 10:03 am Post subject:

Posted: Tue Oct 07, 2003 10:05 am Post subject:

Posted: Tue Oct 07, 2003 10:32 am Post subject:

Posted: Tue Oct 07, 2003 11:59 am Post subject:

I would definatley buy these if it weren't for 3 reasons....
1.) I don't have ANY money
2.) I don't plan on keeping my car past this winter
3.) With my 3" exhaust I would have the same Initial torque output of a Honda! Razz

Hell of a deal, and John installing them for FREE!!!! If I only had a car i wanted to keep!
Hey john how about a trial run on a GT...just enough so I can beat Sean in our race? Laughing

Posted: Tue Oct 07, 2003 12:36 pm Post subject:

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