The Stovebolt Site Forums The Shop Area The HiPo Shop Getting more hp out of my 54

Help is a click away!

VEHICLE
INFORMATION
KITS

at the

GM Heritage Center
All the details are here.

Searching the Site - a click away

New here ??? Where to start?

Click on image for the lowdown.

====

Who's Online Now

3 members (55shaker, Wally / Montana, Steelonsteel), 143 guests, and 4 robots.

Key: Admin, Global Mod, Mod

Forum Statistics

Forums66

Topics128,201

Posts1,057,276

Members48,466

Most Online14,466
Apr 26th, 2026

Step-by-step instructions for pictures in the forums

Brad Allen's photos

AD Chevy Trucks

Pictures galore

Over 6,000 pictures

Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips.

Check them out!

Lots of work on Brad's part ... pure enjoyment (and references) for you!

Big Thanks!

THANKS!

For helping keep this great
old truck web site
on the Internet for

over 30 years!

and not clogged down
with Ads!

Again, thanks!

Print Thread

Re: Getting more hp out of my 54 brokenhead #815377 01/11/2012 6:19 AM
Joined: May 2005 Posts: 487 Grandview L Leon 'Bolter
Leon 'Bolter L Joined: May 2005 Posts: 487 Grandview	I had reasonably good results with exhaust mods. I had a stock 55.1 235, 81 RWHP. I changed to a Corvette exhaust manifold & twin 22" Smithy's mufflers, 87 RWHP. About a 7% improvement. Dyno Results regards, Leon Last edited by Leon; 01/16/2012 5:47 PM. Reason: add inch sign behind 22

Entire Thread
Subject	Posted By	Posted
Getting more hp out of my 54	Hawkguy54	01/09/2012 5:01 AM
Re: Getting more hp out of my 54	brokenhead	01/09/2012 12:18 PM
Re: Getting more hp out of my 54	Leon	01/11/2012 6:19 AM
Re: Getting more hp out of my 54	8trackdude	01/15/2012 11:13 PM

Moderated by Fibonachu, KCMongo

Hop To

Link Copied to Clipboard