Notices
GM Engine & Exhaust Performance EFI | GEN I/GEN II/GEN III/GEN IV Engines |Small Block | Big Block |

HPPIII / Gear ?

Thread Tools
 
Search this Thread
 
Old 01-07-2003, 06:24 AM
  #1  
TECH Senior Member
Thread Starter
iTrader: (2)
 
GREGGO's Avatar
 
Join Date: Dec 2001
Location: League City, Texas
Posts: 9,101
Likes: 0
Received 0 Likes on 0 Posts
Default HPPIII / Gear ?

Looks like I sold my HppIII, but the main reason I was using it was to correct my tire height and gear. My tires are only 1" shorter than stock, so I know the speedo and odometer will run faster, but how will running the stock PCM program affect my 373 gear (stock was 342). Anything else that will be affected? I'm finally breaking down and gonna pony up the cash for LS1Edit. <img border="0" title="" alt="[Big Grin]" src="gr_grin.gif" />
Old 01-07-2003, 06:51 AM
  #2  
Teching In
 
faster than gum's Avatar
 
Join Date: Nov 2002
Location: deep south
Posts: 12
Likes: 0
Received 0 Likes on 0 Posts
Default Re: HPPIII / Gear ?

the lower rear end will also cause the speedo to read faster than you are going, causing different shift point (not that bad) and your top speed limiter will cause you problems if you are going to be cruising a little fast. Before I sold my HHP I had a buddy download the settings in his laptop, then I put the stock program back and sold the HHP, then downloaded the old settings from his laptop. <img border="0" alt="[cheers]" title="" src="graemlins/gr_cheers.gif" />
Old 01-07-2003, 08:27 AM
  #3  
On The Tree
 
Join Date: Oct 2002
Location: mcallen, texas, usa
Posts: 137
Likes: 0
Received 0 Likes on 0 Posts
Default Re: HPPIII / Gear ?

faster than gum how did you do that? was it with ls1 edit or what?

thanx
Old 01-07-2003, 07:32 PM
  #4  
TECH Addict
 
Join Date: Mar 2002
Location: Baton Rouge, LA
Posts: 2,146
Likes: 0
Received 0 Likes on 0 Posts
Default Re: HPPIII / Gear ?

1. load HPP on yur truck's computer
2. use LS1edit to read the programming and save it
3. remove the HPP from the truck
4. re-program (using the LS1edit) the HPP programming you saved earler
Old 01-07-2003, 10:39 PM
  #5  
On The Tree
iTrader: (1)
 
blemoine02's Avatar
 
Join Date: Jan 2003
Location: Delray Beach FL
Posts: 125
Likes: 0
Received 0 Likes on 0 Posts
Default Re: HPPIII / Gear ?

look im new to this sight and all the trucks and ls1 evrything what is the LS1EDIT please expalin and what does it do
Old 01-08-2003, 06:33 PM
  #6  
TECH Addict
 
Join Date: Mar 2002
Location: Baton Rouge, LA
Posts: 2,146
Likes: 0
Received 0 Likes on 0 Posts
Default Re: HPPIII / Gear ?

LS1Edit is editing software that allows you to modify EVERY aspect of yur truck's computer. it requires a laptop to use. i can do much more than hypertech but is also more involved (not reccommended for ameteurs). it also costs quite a bit more than hypertech (i think $550?) unless you get the multi-VIN version that gives you 4 VIN#s
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
Idryfly5
GMT 900 Trucks General Discussion
2
09-02-2022 08:55 PM
Oobray
8-Lug Truck Performance
70
06-13-2022 03:38 AM
blownss27
GM Drivetrain & Suspension
19
08-14-2020 08:27 AM
jtphelps289
GM Parts Classifieds
18
09-29-2015 12:00 PM
Cowboy Tom
GM Engine & Exhaust Performance
6
09-05-2015 04:29 PM



Quick Reply: HPPIII / Gear ?



All times are GMT -5. The time now is 07:08 PM.