300 to 320 WHP? - Page 3 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


Performance, Brainstorming & Tuning Talk about modifications, or anything else associated with performance enhancements. Have a new idea for performance/reliability? Post it here. No idea is stupid! (please use Detailing and Appearance for cosmetic ideas)

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Old 09-09-2005, 02:34 PM   #21
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Quote:
Originally Posted by IO
Thanks for the input, This is exactly what I needed. But I will be looking later to going to more HP. I'm just looking at HP + Torque. Not so much interested in 1/4 mile times yet, this is my daily driver, I just want to hit the throttle and go really fast. I will be going with an G3 LSD, In the near future. But I like to upgrade my all of my Non-HP generating items 1st so I have the proper Hi end Maint. items.
You should shop for exhaust systems and cold air intakes for bolt ons and even a computer chip. But if you want real power, your gonna have to go with heads and cam as well as gear ratio on the trans-axle. Otherwise the real power gains arent to noticable on things like spark plugs or ignition upgrades. Listen to wilwren when he told you to change your pulley.
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Old 09-09-2005, 05:12 PM   #22
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the 2k+ have a pretty freeflowing exhaust from what i've read. yes plugs and t-stats(etc) wont give you noticible gains but they are very necessary supporting mods
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Old 09-10-2005, 05:52 PM   #23
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Quote:
Originally Posted by bigbadbonneville
Quote:
Originally Posted by IO
Thanks for the input, This is exactly what I needed. But I will be looking later to going to more HP. I'm just looking at HP + Torque. Not so much interested in 1/4 mile times yet, this is my daily driver, I just want to hit the throttle and go really fast. I will be going with an G3 LSD, In the near future. But I like to upgrade my all of my Non-HP generating items 1st so I have the proper Hi end Maint. items.
You should shop for exhaust systems and cold air intakes for bolt ons and even a computer chip. But if you want real power, your gonna have to go with heads and cam as well as gear ratio on the trans-axle. Otherwise the real power gains arent to noticable on things like spark plugs or ignition upgrades. Listen to wilwren when he told you to change your pulley.
Heads are a waste of money for the power level he is looking for IMO. WIth a few big mods (Cam, I/C, headers) along with the supporting mods like plugs, t-stat, PCM, etc... there should be no need for spending close to $2k for heads. I also don't think I'd waste my money on a tranny rebuild just to get gears that are only going to net you a tenth or two (depending on what gears you pick) when that money would go much further on engine mods. Then if the tranny does go later (it will go eventually with that kind of power but you never know how long it will be) you might want to upgrade to shorter gears, but if you plan on driving it as your daily driver the gears will definately hurt your gas mileage, especially on the expressway.

Shawn
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Old 09-12-2005, 12:16 AM   #24
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sounds like you've got about the same goals i've got. there'* a chassis dyno about an hour away, and hopefully within the next two weeks i'll be able to get down there, and i can let ya know what the stage 3 kit will put down.

i think heads aren't a waste of money unless you upgrade to the gen v m90, and even then you might want an i/c. if you wanted to stick with the stock m90, www.wbodystore.com has an awesome lookin' intercooler with a 3" (!!!!) core. supposedly they ran a 2.6" pulley with everything else bone stock, no KR. with intake, exhaust, pcm, rockers, that i/c, and even "just" a 2.8" pulley, that should be pretty darn close. that'* what i'm plannin on anyways. just my two cents.
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