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#1 |
Registered Member
Join Date: Sep 2002
Location: Ponte Vedra Beach, FL
Posts: 122
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![]() I'm looking for input on doing 75 mm throttle body and C & L Intake Plenum upgrade, car is currently Vortech supercharged. My main question is do I run the chance of causing detonation by doing these upgrades? The car has been dyno tuned and is running great right now. After this upgrade is it worth while or a requirement to have it dyno tuned again? I'm not sure how the engine management system works but if I would be feeding more air to the motor with these upgrade, will the MAS pick this fact up and in turn feed more fuel to the motor, or am I reading too much intelligence into how the computer works? Also, any comments about if these upgrades are worth while are appreciated
Thanks!
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'00 GT 5-spd Vortech S-Trim 3.1" Pulley Paxton Air-to-Air Aftercooler 90 mm MAS 42 lb injectors Cobra Fuel Pump 70 mm AccuFab Throttlebody C & L Intake Plenum 2 1/2" X-pipes Anderson PowerPipe MagnaFlow Mufflers Diablo Custom Chip 3.73's Steeda Lower Control Arms 358 rwhp (Mustang Dyno) New Track Times Coming Soon |
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#2 |
Registered Member
Join Date: Jul 1999
Location: INDIANAPOLIS
Posts: 404
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![]() I don't think you will make any more boost with a bigger intake. If anything, it should go down. There will be more area to fill before boost is made. The bigger TB will help some. I didn't notice much of a differance when I went from a 65mm tb to a 75mm tb. I think you should be fine with the current setup. If you want to play it safe, add a few lbs of fuel pressure to your car and that should cover you.
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old S trim combo 10.13@ 135 New YS combo = 680RWHP (no times) |
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#3 |
Registered Member
Join Date: Dec 1998
Location: Scarsdale, NY
Posts: 45
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![]() These upgrades are meant to flow more air, so you should check that the additional flow, if any, is matched with a cpable fuel system. Since you have stock heads, you will probably not see a significant increase. What boost level are you running at now?
Are you running an FMU? If you do end up with some detonation then you know its obviously time for a new tune. Are you running a chip now? |
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Thread | Thread Starter | Forum | Replies | Last Post |
70 mm Throttlebody / C&L Intake Plenum and New Gauges | SleeperGT | Modular Madness | 1 | 12-14-2003 09:41 PM |
NEED ADVISE-Which Upgrade should I do first? | jpumpkinn | Windsor Power | 3 | 11-27-2001 12:51 AM |