305 performance

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Mar 13, 2005 | 09:07 PM

x3jj3x

Thread Starter

Junior Member

Joined: Feb 2005

Posts: 1

Likes: 0

From: il

Car: 1989 firebird

Engine: 305

Transmission: 700r4

305 performance

i was just wondering how much horsepower would the stock 305 internals could handle. thanks your the answers in advance and please dont flame on me

Mar 13, 2005 | 09:28 PM

LB9GTA

Supreme Member

iTrader: (1)

Joined: Mar 2004

Posts: 1,643

Likes: 50

From: Manitoba

Car: '91 GTA

Engine: 421sbc

Transmission: Powerglide

Axle/Gears: Ford 9" with 3.89

I'm up to about 325hp with a 75hp shot of nitrous, all stock internals.

LB9GTA

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