2001年3月1日 · Here's the kit we came up with: Lingenfelter SuperRam Plenum. This redesigned box shortens intake runners nearly 4 inches. This helps boost peak horsepower and torque to a higher rpm level without...

2021年12月31日 · I like the power curve and values given by the Extrude Hone port/polish of the factory TPI base, TPIS big tube runners, and the port matched plenum plus larger TPI throttle body. I also like the curve and numbers of the big runner complete TPIS system.

2011年3月31日 · C4 Tech/Performance - Best TPI Intake Mods - This is a ready reference for the before and after flow, hp, tq and 1/4 mile ET figures for the intake components and the best bang for the buck TPI intake mods.

C4 Tech/Performance; TPI Repair; Notices. C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine TPI Repair. Reply Subscribe . Thread Tools Search this Thread Today | 04:12 PM Share #1 okiepop ...

2009年9月20日 · Starting to clear out my bookmarks, figured we could start a compilation of articles on TPI & LT1 builds, mods and performance. When you come across others, post 'em and I'll add it below! We'll list this in the C4 Sticky too. C4 L98 Performance Articles. Ten Times the Torque, Comp Cams--> Click Here; Stealth TPI Induction - L98 Stroker ...

2023年5月10日 · So if you want to get up to around 350 hp and 400 torque, you can most likely get there with a good cam, headers, tune, injectors, and the stock TPI intake. Anything more than that, you’re looking at the previously mentioned mods, heads, porting/polishing work, or a new induction system all together.

2017年8月1日 · THE larger 1.75" (2.45 sq inch cross sectional area)of the FIRST intake design, vs the STOCK 1.47" diameter runner cross section (1.7 sq inch cross sectional area), of the stock G.M. tpi, intake adds at least 1200 rpm to the engines potential IF properly matched to the correct components, like 42lb injectors, un-ported this runner should ...

2006年7月12日 · Still, the TPI motoroffered impressive low-speed torque, with the curve exceeding 350 lb-ftfrom 2,500 rpm to 4,900 rpm and topping 375 lb-ft from 3,200 rpm to4,700 rpm.

2012年4月14日 · C4 Tech/Performance - New 383 TPI build and dyno results - Recently I installed a new 383 in my 91. I decided not to do a step by step build thread as there's been enough of those recently. Long time members here might be familiar with my car as it was probably one of the better running stock heads/cam TPI cars. It...

2018年12月10日 · Performance improvement plan for old 1990 Corvette TPI while retaining a basically stock appearance.