2.0L LSJ Performance Tech 205hp Supercharged SS tuner version. 200 lb-ft of torque.

Max Hp stock fuel pump can support

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Old Feb 16, 2008 | 01:35 AM
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Max Hp stock fuel pump can support

Has anyone found the limit's of the stock fuel pump yet?
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Old Feb 16, 2008 | 01:38 AM
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I'm thoroughly interested to know this as well.
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Old Feb 16, 2008 | 01:40 AM
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More than many will ever run..
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Old Feb 16, 2008 | 01:43 AM
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good question
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Old Feb 16, 2008 | 01:55 AM
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Originally Posted by lsjwannabe
More than many will ever run..
LSJ,

Guess for me. 500whp?
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Old Feb 16, 2008 | 01:56 AM
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Most are upgrading them before they see the max. I would do what Witt is and just buy an inline pump to help the stocker maintain pressure. Then just get bigger injectors as you need to.
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Old Feb 16, 2008 | 02:01 AM
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Reason i ask is because i want to build something SICK. Something i'd be called crazy to build.

Let me just throw the question out there... What kind of turbo would i have to run to achieve 500whp?
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Old Feb 16, 2008 | 02:02 AM
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Originally Posted by Onyxd04Redline
Reason i ask is because i want to build something SICK. Something i'd be called crazy to build.

Let me just throw the question out there... What kind of turbo would i have to run to achieve 500whp?
So your one of those people that just wants to go fast, but has no idea how to do it? Just take it to a shop then, give em a blank check, and ask them to make it fast.
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Old Feb 16, 2008 | 02:04 AM
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^^^ Damn!!!!
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Old Feb 16, 2008 | 02:06 AM
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Originally Posted by WSFrazier
So your one of those people that just wants to go fast, but has no idea how to do it? Just take it to a shop then, give em a blank check, and ask them to make it fast.


Sorry i have a CAREER and can't take days off. Maybe if i worked at mcdonalds like most of you that work on your own cars i would.
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Old Feb 16, 2008 | 02:08 AM
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Originally Posted by Onyxd04Redline


Sorry i have a CAREER and can't take days off. Maybe if i worked at mcdonalds like most of you that work on your own cars i would.
Usually insulting the members that can help you is not the way to get your answers...
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Old Feb 16, 2008 | 02:10 AM
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well if u had a honda i would say infinity is the limit!!!!!
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Old Feb 16, 2008 | 02:11 AM
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Originally Posted by eurochevy
well if u had a honda i would say infinity is the limit!!!!!
Then that is my limit.
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Old Feb 16, 2008 | 02:12 AM
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Originally Posted by REIGN SS
Usually insulting the members that can help you is not the way to get your answers...
We were just doing shot for shot reign.
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Old Feb 16, 2008 | 02:14 AM
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Yup
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Old Feb 16, 2008 | 02:25 AM
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Here are some calculators

http://www.slowgt.com/Calc1.htm#FInjHP

http://www.stealth316.com/2-air-fuel-flow.htm

I have the Walbro 255 lph High Flow Fuel Pump, they can support upwards of 550hp in a DSM.
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Old Feb 16, 2008 | 03:05 AM
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If you want my opinion. Before you go blowing your money on engine work and making it fast. I'd beef up the axles and suspension and the tranny and all that ****. Because if you do that first, you don't have to worry about anything breaking. If you do crazy engine work, stock axles and tranny parts will break. That **** ain't cheap. Be smart about it.
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Old Feb 16, 2008 | 03:08 AM
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onxy buddy u want 500whp?

gt42r
100 shot nos

should be good to about 600whp
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Old Feb 16, 2008 | 03:27 AM
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Originally Posted by Super_SS
onxy buddy u want 500whp?

gt42r
100 shot nos

should be good to about 600whp
I figured a GT35R wasn't going to cut it for 500whp so i asked. What's spool like with the 42R?
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Old Feb 16, 2008 | 03:30 AM
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Originally Posted by Onyxd04Redline
I figured a GT35R wasn't going to cut it for 500whp so i asked. What's spool like with the 42R?
laggy,thats why i reccommended the nos to help with the lag,,starts spooling around 4500rpm and full boost at 6700rpm..so a 10k redline with 42r and 100 shot will uhmmm lets just say hello no traction 4th gear
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Old Feb 16, 2008 | 03:47 PM
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Originally Posted by BlackSSNick
If you want my opinion. Before you go blowing your money on engine work and making it fast. I'd beef up the axles and suspension and the tranny and all that ****. Because if you do that first, you don't have to worry about anything breaking. If you do crazy engine work, stock axles and tranny parts will break. That **** ain't cheap. Be smart about it.
Just talking right now. NOTHING is in stone but i will take your advisements under consideration.
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Old Feb 16, 2008 | 03:51 PM
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600 whp is dumb in fwd i thought you would no that onyx you had a camaro and a vette and a viper. If you want 600 whp its much easier that way and you can go faster. But whatever floats your boat.
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Old Feb 16, 2008 | 03:52 PM
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Originally Posted by lsjwannabe
600 whp is dumb in fwd i thought you would no that onyx you had a camaro and a vette and a viper. If you want 600 whp its much easier that way and you can go faster. But whatever floats your boat.
I don't want 600whp. No way no how. 500 would be cool but i think i'd break the tranny in a heartbeat.

Would a GT35R support 400whp?
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Old Feb 16, 2008 | 03:56 PM
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the only limit anyone really has to upgrading there car is there own bank account.

Onyx, does not really have much of a limitation then so...turbo, nitrous, transmission work, internal motor work, cooling mods up the ass, beef up the traction, and those little stickers that add horsepower we all love
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Old Feb 16, 2008 | 03:57 PM
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Originally Posted by arng22
the only limit anyone really has to upgrading there car is there own bank account.

Onyx, does not really have much of a limitation then so...turbo, nitrous, transmission work, internal motor work, cooling mods up the ass, beef up the traction, and those little stickers that add horsepower we all love
Maybe this is a bad idea. I don't want to spend 10K upgrading this car. How quick would a 300whp turbo'd LSJ be? Low 13's at 110?
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