Generation III External Engine LS1 | LS6 | Bolt-Ons | Intakes | Exhaust | Ignition | Accessories
Sponsored by:
Sponsored by:

ASP Pullies before SFI Approved

Thread Tools
 
Search this Thread
 
Old Jul 8, 2004 | 10:13 PM
  #1  
89ws6formula50's Avatar
Thread Starter
11 Second Club
iTrader: (6)
 
Joined: Feb 2003
Posts: 463
Likes: 0
From: Oklahoma City, OK
Default ASP Pullies before SFI Approved

I have heard there has been some problems w/the older ASP pullies. I have them on my 2001 Z28, been on there for over a year. The ones before they were SFI approved. It is the cranbk/alt set. Anyway, my car only dynoed 265RWHP with all free mods, SLP LM and YPipe....I heard it may be because of the pullies, that the older ones were actually robbing HP from the engines. Anyone know anythiung about that?
Reply
Old Jul 9, 2004 | 09:54 AM
  #2  
89ws6formula50's Avatar
Thread Starter
11 Second Club
iTrader: (6)
 
Joined: Feb 2003
Posts: 463
Likes: 0
From: Oklahoma City, OK
Default

Originally Posted by 89ws6formula50
I have heard there has been some problems w/the older ASP pullies. I have them on my 2001 Z28, been on there for over a year. The ones before they were SFI approved. It is the cranbk/alt set. Anyway, my car only dynoed 265RWHP with all free mods, SLP LM and YPipe....I heard it may be because of the pullies, that the older ones were actually robbing HP from the engines. Anyone know anythiung about that?
anyone?
Reply
Old Jul 9, 2004 | 10:06 AM
  #3  
Fireball's Avatar
TECH Senior Member
20 Year Member
iTrader: (21)
 
Joined: Nov 2001
Posts: 8,484
Likes: 0
From: Cecil County Raceway!!!
Default

I haven't heard anything about that...I know mine performed solidly with the addition of an ASP back in the day
Reply
Old Jul 9, 2004 | 04:36 PM
  #4  
CaptUSA's Avatar
TECH Fanatic
iTrader: (5)
 
Joined: Apr 2004
Posts: 1,229
Likes: 0
From: San Diego
Default

I don't really know, but that does seem awfuly low. I'd say just go w/ your intuition. If you're thinking that's the problem, then it's probably going to bug you till you know for sure anyway, so go for it. If it were me at least.
Reply
Old Jul 9, 2004 | 04:46 PM
  #5  
89ws6formula50's Avatar
Thread Starter
11 Second Club
iTrader: (6)
 
Joined: Feb 2003
Posts: 463
Likes: 0
From: Oklahoma City, OK
Default

It really does seem low. I posted my dyno results a few months ago and someone had mentioned something about the pullies. I was going to put the stock pullies back on to check it out but I got involved with the Buick. Now this is bothering me again. Thanks for the input guys.....
Wouldnt one expect this car to dyno nearer or at 300RWHP
Reply
Old Jul 9, 2004 | 05:03 PM
  #6  
BADFNZ's Avatar
TECH Fanatic
iTrader: (19)
 
Joined: Apr 2002
Posts: 1,590
Likes: 2
From: Dyess AFB, TX
Default

The old ASP pullies didn't show power loss, they were throwing the outer rings off and imbedding themselves into radiators. They are now welded on instead of pressed. This should have nothing to do with your low numbers.
Reply
Old Jul 9, 2004 | 07:04 PM
  #7  
cyphur's Avatar
TECH Senior Member
iTrader: (10)
 
Joined: Mar 2003
Posts: 8,009
Likes: 0
From: North Texas
Default

Originally Posted by LS1BlackZ28
The old ASP pullies didn't show power loss, they were throwing the outer rings off and imbedding themselves into radiators. They are now welded on instead of pressed. This should have nothing to do with your low numbers.
there's got to be something robbin you of all those horses....but its not the pullies.
Reply
Old Jul 9, 2004 | 09:06 PM
  #8  
01 Red WS6's Avatar
TECH Senior Member
iTrader: (4)
 
Joined: Dec 2003
Posts: 5,276
Likes: 1
From: Arlington TX
Default

it could just be the car, we all have heard about cars having more power than others that were stock. Maybe he has the opposite problem
Reply
LS1 Tech Stories

The Best V8 Stories One Small Block at Time

story-0

7 Most Reliable High-Performance Engines GM Has Ever Built

 Verdad Gallardo
story-1

Amazing '71 Camaro Restomod Is Modern Muscle Car Under the Skin

 Verdad Gallardo
story-2

6 Common C5 Corvette Failures and What's Involved In Repairing Them

 Pouria Savadkouei
story-3

Retro Modern Bandit Pontiac Trans AM Comes With Burt Reynolds' Autograph

 Verdad Gallardo
story-4

Top 10 Greatest Cadillac V Series Performance Models Ever, Ranked

 Pouria Savadkouei
story-5

Top 10 Most Powerful Chevy Trucks Ever Made!

 
story-6

Hennessey's New Supercharged Silverado ZR2 Has 700 HP

 Verdad Gallardo
story-7

Coachbuilt N2A Anteros Is an LS2-Powered C6 Corvette In Italian Clothes

 Verdad Gallardo
story-8

Awesome K5 Blazer Restomod Comes With C7 Corvette Power

 Verdad Gallardo
story-9

10 Camaros You Should Never Buy

 




All times are GMT -5. The time now is 02:27 PM.

story-0
7 Most Reliable High-Performance Engines GM Has Ever Built

Slideshow:These GM engines didn't just make huge power, they survived abuse, boost, track days, and six-digit mileage with a reputation for refusing to quit.

By Verdad Gallardo | 2026-05-21 16:45:27


VIEW MORE
story-1
Amazing '71 Camaro Restomod Is Modern Muscle Car Under the Skin

Slideshow: This heavily modified 1971 Camaro mixes classic muscle car styling with a fifth-generation Camaro interior and modern LS3 power.

By Verdad Gallardo | 2026-05-12 18:06:42


VIEW MORE
story-2
6 Common C5 Corvette Failures and What's Involved In Repairing Them

Slideshow: From wobbling harmonic balancers to failed EBCMs, these are the issues that define long-term C5 ownership and what repairs typically involve.

By Pouria Savadkouei | 2026-05-07 18:44:57


VIEW MORE
story-3
Retro Modern Bandit Pontiac Trans AM Comes With Burt Reynolds' Autograph

Slideshow: A modern Camaro transformed into a retro icon, this limited-run "Bandit" build blends nostalgia with brute force in a way few revivals manage.

By Verdad Gallardo | 2026-04-21 13:57:02


VIEW MORE
story-4
Top 10 Greatest Cadillac V Series Performance Models Ever, Ranked

Slideshow: Cadillac didn't just crash the high-performance luxury vehicle party, it showed up loud, supercharged, and occasionally a little unhinged...

By Pouria Savadkouei | 2026-04-16 10:05:15


VIEW MORE
story-5
Top 10 Most Powerful Chevy Trucks Ever Made!

Slideshow: Top ten most powerful Chevy trucks ever made

By | 2026-03-25 09:22:26


VIEW MORE
story-6
Hennessey's New Supercharged Silverado ZR2 Has 700 HP

Slideshow: Hennessey has turned the Silverado ZR2 into a 700-hp off-road monster with supercharged V8 power and a limited production run.

By Verdad Gallardo | 2026-03-24 18:57:52


VIEW MORE
story-7
Coachbuilt N2A Anteros Is an LS2-Powered C6 Corvette In Italian Clothes

Slideshow: A one-off sports car that looks like a vintage Italian exotic-but hides a C6 Corvette underneath-just sold for the price of a new mid-engine Corvette.

By Verdad Gallardo | 2026-03-23 18:53:41


VIEW MORE
story-8
Awesome K5 Blazer Restomod Comes With C7 Corvette Power

Slideshow: A heavily reworked 1972 K5 Blazer swaps its off-road roots for a low-slung street-focused build with modern V8 power.

By Verdad Gallardo | 2026-03-09 18:08:45


VIEW MORE
story-9
10 Camaros You Should Never Buy

Slideshow: There are thousands of used Camaros on the market but we think you should avoid these 10

By | 2026-02-17 17:09:30


VIEW MORE