300whp without n20 or meth?
New Member
Joined: 11-25-07
Posts: 46
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From: Harrisburg
I dont understand how people are only making 240ish whp with full exhausts, pulley's and H/E's. I had just a stage II and a custom made intake with an AFE filter and nothing else and put 263 whp. and 227 torque. I got a **** ton of new parts to put on, like a cobalt addiction V2 header, 2.79" pulley, CA h/e, and a 3" vibrant exhaust with XTC dp. I better put down more than 275 whp.
I dont understand how people are only making 240ish whp with full exhausts, pulley's and H/E's. I had just a stage II and a custom made intake with an AFE filter and nothing else and put 263 whp. and 227 torque. I got a **** ton of new parts to put on, like a cobalt addiction V2 header, 2.79" pulley, CA h/e, and a 3" vibrant exhaust with XTC dp. I better put down more than 275 whp.
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Joined: 10-14-07
Posts: 1,546
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From: Austin, TX
right now i have stage2 tune, 2.99, V2header, 3inch dp with cutout, 2.5 inch exhst, 3inch intake, headgames ported and polished throttle body, and a dual pass h/e. i put down 242whp with thes mods. waiting to go on is a 2.8 pulley, 60#, lightweight crank pulley, and a ported and polished head with a valve job (5-6 angle) from headgamesmotorworks.net with a nice tune. any one think 300whp is possible without n20 or meth.
Rent me! per hour
Joined: 03-22-07
Posts: 24,161
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From: Still fixing others mistakes.
I dont understand how people are only making 240ish whp with full exhausts, pulley's and H/E's. I had just a stage II and a custom made intake with an AFE filter and nothing else and put 263 whp. and 227 torque. I got a **** ton of new parts to put on, like a cobalt addiction V2 header, 2.79" pulley, CA h/e, and a 3" vibrant exhaust with XTC dp. I better put down more than 275 whp.
"meth" as termed in this thread means different things to different people but I can tell you this. Meth is not a power adder, it's not going to add any power especially as the kits are sold here. I have yet to see a single kit that runs 100% methanol which would be needed for real gains but at that point just running it in the tank instead of your gas would be the best option.
I don't know what gains the ported head will give but 300WHP isn't going to come easy on a stock M62, hell it's hard for most TVS guys to pass that mark.
I don't know what gains the ported head will give but 300WHP isn't going to come easy on a stock M62, hell it's hard for most TVS guys to pass that mark.
its acually a 2.79, that i will be using and my reasoning is that i wont need the cooling like with a 2.5-2.6. it will be tuned by Tune Time here in jersey. and i do understand that there are easyier ways to go about this, but the point is to try another road less travled. now i realy want to get this done soon now that im getting 50/50 yes and no's
its acually a 2.79, that i will be using and my reasoning is that i wont need the cooling like with a 2.5-2.6. it will be tuned by Tune Time here in jersey. and i do understand that there are easyier ways to go about this, but the point is to try another road less travled. now i realy want to get this done soon now that im getting 50/50 yes and no's
i have also teamed up with chevysssc to hit 300whp without nitrous or meth. mods that i have currently going on the car or on (that are related) are 2.9, 42's, slp header 1 5/8 primaries, slp dp, either a corsa or custom 2.5 exhuast, ported&polished head, ported and polished tb, injen intake, ported and polished blower, dual pass endplate, dual pass h/e from ottp... I know I Know 2.9 and 42's wtf? right, after all the other mods are on (which I have, except for the exhuast, head and blower) i'll hit the dyno at Tune Time and make a pulley and/or injector decision.
Senior Member
Joined: 03-22-07
Posts: 1,116
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From: Texas
hows the 2.7 doing for you? especially on the stage 2 belt...i was thinking about dropping down to that size.
do you honestly think that people actually "melt" the pistons?
i sure as **** hope not, or your just as dumb as the next guy.
quick fact.
in pure strength(density) our hypereutectic's rival a forged piston, and can be pushed to HUGE power.
the reason you swap for a forged set is mostly due to to its ability to handle detonation with out braking up.
hypereutectic's are brittle, and thats there downside. hard, yet brittle.
another note, cooling mod's arnt "needed" to hit that power number altho they are a vary dam good idea.
i've been to this mark, and way beyond. and i've been there on basic mod's, years ago.
its doable, you just have to be smart. you best be able to tune with the best of them to pull it off.
your ported head is the differance maker here, depending on how half-assed they ported it, this can become more a question of "why haven't you hit 300whp yet?"
i sure as **** hope not, or your just as dumb as the next guy.
quick fact.
in pure strength(density) our hypereutectic's rival a forged piston, and can be pushed to HUGE power.
the reason you swap for a forged set is mostly due to to its ability to handle detonation with out braking up.
hypereutectic's are brittle, and thats there downside. hard, yet brittle.
another note, cooling mod's arnt "needed" to hit that power number altho they are a vary dam good idea.
i've been to this mark, and way beyond. and i've been there on basic mod's, years ago.
its doable, you just have to be smart. you best be able to tune with the best of them to pull it off.
your ported head is the differance maker here, depending on how half-assed they ported it, this can become more a question of "why haven't you hit 300whp yet?"
cast pisotns like we have wont handle the amount of power with those mods. they will crack. forged pistons handle alot more but they can melt if too hot. so cooling is a BIG issue. people ahve done doube that though for hp. look at a twin turbo cobalt. has forged pistons runs fine. cooling is big. jsut find the right setup of parts that go together and power galor
cast pisotns like we have wont handle the amount of power with those mods. they will crack. forged pistons handle alot more but they can melt if too hot. so cooling is a BIG issue. people ahve done doube that though for hp. look at a twin turbo cobalt. has forged pistons runs fine. cooling is big. jsut find the right setup of parts that go together and power galor
cast pisotns like we have wont handle the amount of power with those mods. they will crack. forged pistons handle alot more but they can melt if too hot. so cooling is a BIG issue. people ahve done doube that though for hp. look at a twin turbo cobalt. has forged pistons runs fine. cooling is big. jsut find the right setup of parts that go together and power galor
Senior Member
Joined: 01-25-06
Posts: 4,493
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From: Maryland
Maybe he should also go back and look at the thread date from 2009 before he trys to be forum hero trying to spit his incorrect facts lol.
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