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#1
02-04-2006, 06:12 PM
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how much hp?
if i get a 3rd gen iroc 350 stock. what would i have to do to get 350 or more hp out of it?
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#2
02-04-2006, 07:26 PM
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Re: how much hp?
well to start exhaust. headers catback maybe 3inch pipes. air intake /better filter. try to get a later year 3 gen you could get a cam that would help. there just some bolt ons . you could probly change the heads port and polish msd ignition shift kit for more positive shifts get the power to the wheels quicker.
Why dont you just get a 4th gen there nicer look better and newer. If you look people want just about the same for a later motel 3gen as they do for an ealy 4th gen.
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#3
02-04-2006, 08:21 PM
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Re: how much hp?
Quote:
Be careful, the Third Gen ownrs might come give you a whoopin'.
__________________
1998 GTP sedan Mods:MPS 3.4|180Tstat|PowrTuned|AL104's|SSAC's|DIY HAI|F-body's|GMPP H.K.|Gen2 SSC|KYB GR-2|Hand e-brake|Bucket Rear Seats Soon:Appearance mods|some secret stuff|Audio stuff Future: 12 second DD
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#4
02-04-2006, 08:53 PM
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Re: how much hp?
ya, i am a third gen owner, but i understand were you are comming from. The 4th gens have more hp to start with and you can pull more hp out of the motor.
__________________
95 Z71 Silverado 4x4 ext. cab Mods- Flowmaster Exhaust,Intake
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#5
02-04-2006, 09:38 PM
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Re: how much hp?
Quote:
__________________
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#7
02-05-2006, 01:03 PM
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Re: how much hp?
lol yeah we dont wanna start another one of those hehehehe.. but to answer the thread starters question, a good head and cam combo would help you out, if you get TPI, porting the plenum and getting bigger runners, bigger throttle body maybe, porting intake base, theres a lot of places to free up hp, some pulleys also and full exhaust. youll have a pretty healthy 350 there. then you can always mini ram it and maybe supercharge, man that would be badass.
__________________
 1990 IROC-Z 5.7 TPI (1 out of 4,213 IROC's made in 1990) Only mod is magnaflow 3" cat back and K&N filters... im broke. 
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#8
02-05-2006, 02:36 PM
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Re: how much hp?
hey thanks for the info keep it coming if any one has any thing else to add about this topic.
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#9
02-13-2006, 08:52 AM
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Re: how much hp?
i picked up a book by chevy high performance magazine that detailed a project that they called the "Goodwrench Quest." they spent probably around 2500 total on beefing up a 350 (price includes the actual engine brand new from GM) and when they were done it had 423 lb/ft of torque at i think 3700 rpm and 416 horsepower at 5700 rpm. (used new heads, cam, intake manifold, carb, and 1 3/4 inch exhaust headers) the only problem is that they used the cruddy dished cast iron pistons that came with the longblock and 5700 rpm is probably a little iffy for a cast piston lol... i would do everything they did, but try to use a shortblock with forged steel internals and hypereutetic pistons instead of the stock cast iron parts. then 6000 rpm would be well attainable.
p.s. dont do this unless you live in a state like nebraska that really doesnt care at all about emissions and has no inspections lol, otherwise you would get the red flag on that in a newer car...
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