# 305 engine and T-5 Manual Tranny

**URL:** https://forums.speedlife.net/t/305-engine-and-t-5-manual-tranny/194698
**Category:** Classifieds
**Created:** [January 10, 2008, 3:12pm UTC](https://forums.speedlife.net/t/305-engine-and-t-5-manual-tranny/194698 "2008-01-10T15:12:54Z")
**Posts on this page:** 1
**Showing post:** 4

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### Author: ![OLDS\_ROCKETMAN](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/olds_rocketman/32/5942_2.png) [@OLDS\_ROCKETMAN](https://forums.speedlife.net/u/OLDS_ROCKETMAN)
#### Post date: [January 10, 2008, 11:55pm UTC](https://forums.speedlife.net/t/305-engine-and-t-5-manual-tranny/194698/4 "2008-01-10T23:55:36Z")

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> [@FS: 1995 TURBO HATCH](https://forums.speedlife.net/t/fs-1995-turbo-hatch/34103/63):
>
> i thought 86 was the first year for tpi’s in iroc’s

1985:

The top offering under the hood was the brand new TPI 305 which boasted 215 horsepower and 275 ft/lbs of torque. This was the most powerful 305 automatic ever offered in the IROC. The 190 horsepower HO 4bbl 305 and the standard output 155 horse LG4 were the other available motors.

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