Out with the 305TPI and in with the new LSx454
Thread Starter
Joined: Feb 2005
Posts: 197
Likes: 3
From: OH IO
Car: 86 Iroc
Engine: LS3
Transmission: T56
Axle/Gears: 3.73
Out with the 305TPI and in with the new LSx454
Thought I would start a thread dedicated to my motor swap. I am currently building a motor soooo out with the old 305TPI and in will go a LSx454 hopefully near Christmas time, if not sooner. Time for the fun to start



Junior Member
Joined: Jan 2010
Posts: 74
Likes: 0
From: SoCal
Car: 91 Z28 Convertible, 2000 trans am
Engine: ls6, ls1
Transmission: 4l60e
Re: Out with the 305TPI and in with the new LSx454
Looks like its gonna be one helluva swap! Cars grinning in the background. good luck man
Thread Starter
Joined: Feb 2005
Posts: 197
Likes: 3
From: OH IO
Car: 86 Iroc
Engine: LS3
Transmission: T56
Axle/Gears: 3.73
Re: Out with the 305TPI and in with the new LSx454
Thanks! I'm still gathering parts for this never ending parts list. I'm getting anxious to get the ball rolling.
Supreme Member



Joined: Nov 2001
Posts: 2,266
Likes: 37
From: Canada,Ont
Car: 1987 TransAm Ttop
Engine: 2005 LQ4
Transmission: Ls1 T56
Axle/Gears: 3:54
Re: Out with the 305TPI and in with the new LSx454
*Drools* Lsx 454...very nice.What are the projected parts/mods you have in mind for the motor build?Going manual or auto?
Thread Starter
Joined: Feb 2005
Posts: 197
Likes: 3
From: OH IO
Car: 86 Iroc
Engine: LS3
Transmission: T56
Axle/Gears: 3.73
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Joined: Jun 2003
Posts: 828
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From: Rockville, MD
Car: 1989 Camaro RS
Engine: Ellis Juan
Transmission: t-56
Supreme Member
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Joined: Mar 2007
Posts: 1,237
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From: Apopka, Florida
Car: 1989 Pontiac Trans Am GTA
Engine: cammed LS1
Transmission: Monster SS 4L65E
Axle/Gears: 9 bolt posi w/ 3.70 gears
Re: Out with the 305TPI and in with the new LSx454
I noticed you haven't posted on here in quite awhile. Are you still proceeding with the swap?
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Joined: Nov 2009
Posts: 471
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From: Zanesville, Ohio
Car: 1984 Formula ws6
Engine: 370 LSX
Transmission: 4L80E with a brake and 4500 Stall
Axle/Gears: Moser 9" 4.30 gear
Re: Out with the 305TPI and in with the new LSx454
It looks like hes was on the site about an hour ago. Hopefully he hasn't lost intrest in the swap.
Thread Starter
Joined: Feb 2005
Posts: 197
Likes: 3
From: OH IO
Car: 86 Iroc
Engine: LS3
Transmission: T56
Axle/Gears: 3.73
Re: Out with the 305TPI and in with the new LSx454
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