Tech / General Engine Is your car making a strange sound or won't start? Thinking of adding power with a new combination? Need other technical information or engine specific advice? Don't see another board for your problem? Post it here!

Sponsored by:

305 to 350 tpi

Reply Subscribe

Search this Thread

Old

Aug 27, 2005 | 06:26 PM

#1

Thread Starter

Junior Member

Joined: Apr 2005

Posts: 6

Likes: 0

From: North Carolina

Car: 82 Trans Am MR MSE

Engine: 305

Transmission: 200 th

305 to 350 tpi

Help! I want to install a 350 in place of a blown up 305. I want to keep the tuned port.
Anyone know what changes I'll have to make? Will the orig ecm work? thanks

Old

Aug 27, 2005 | 09:05 PM

#2

Supreme Member

iTrader: (1)

Joined: Oct 2004

Posts: 3,361

Likes: 1

From: Worcester, MA

Car: 86 T/A

Engine: HSR 355

Transmission: 700R4

Axle/Gears: 2.77 posi

You'll need a new PROM (inside the ECM). I've heard fuel pump too, but not sure. Basically if you have a 350 block it'll bolt right in. Maybe better/more fans.

Old

Aug 27, 2005 | 11:15 PM

#3

Banned

Joined: Oct 2004

Posts: 84

Likes: 1

is it ok to take the PROM from a 350 car?

Reply Subscribe

Related Topics

Thread

Thread Starter

Forum

Replies

Last Post

Mutliple questions

bamaboy0323

Tech / General Engine

2

Aug 15, 2015 07:20 AM

open element/air cleaner

wruiz

TPI

15

Aug 13, 2015 09:07 PM

350 carbureted to 305 tpi

st.evel07

Engine Swap

5

Aug 13, 2015 06:15 PM

trans am gta exhaust question

gta power

Exhaust

1

Aug 13, 2015 06:15 AM

[QC] 1990 TPI & T5 Engine Harness, PCM & PROM

Sanjay

Engine/Drivetrain/Suspension Parts for Sale

1

Aug 12, 2015 03:41 PM

First
Prev
1 / 1
Next
Last

All times are GMT -5. The time now is 06:35 PM.