DIY PROM Do It Yourself PROM chip burning help. No PROM begging. No PROMs for sale. No commercial exchange. Not a referral service.

Anyone know where I can get a 7747 patch...

Thread Tools
 
Search this Thread
 
Old Feb 3, 2002 | 12:33 PM
  #1  
V8Astro Captain's Avatar
Thread Starter
Supreme Member
iTrader: (1)
 
Joined: Jun 2001
Posts: 1,520
Likes: 0
From: 600 yds out
Car: Bee-Bowdy
Engine: blowd tree-fity
Transmission: sebin hunnerd
Axle/Gears: fo-tins
Anyone know where I can get a 7747 patch...

I'm looking for a patch that will reset my BLM to 128 on PE mode. I searched DIY-EFI and didn't come up with anything.

Any good programmers out there want to help me edit the source code?
Reply
Old Feb 3, 2002 | 04:04 PM
  #2  
Ken73's Avatar
Member
 
Joined: Jan 2001
Posts: 391
Likes: 0
From: Houston, TX
Car: 82 Corvette
Engine: 350 CrossFire
Transmission: 700R4
Reset your BLM to 128 in PE mode? I'm not sure what you mean.

Ken
Reply
Old Feb 3, 2002 | 04:47 PM
  #3  
V8Astro Captain's Avatar
Thread Starter
Supreme Member
iTrader: (1)
 
Joined: Jun 2001
Posts: 1,520
Likes: 0
From: 600 yds out
Car: Bee-Bowdy
Engine: blowd tree-fity
Transmission: sebin hunnerd
Axle/Gears: fo-tins
You know how the INT resets to 128 on accel pump? I'm looking to make the BLM reset to 128 when it enters PE mode.
Reply
Old Feb 3, 2002 | 05:31 PM
  #4  
JPrevost's Avatar
Senior Member
 
Joined: Oct 1999
Posts: 6,621
Likes: 2
Car: 91 Red Sled
Axle/Gears: 10bolt Richmond 3.73 Torsen
It does that already. No need for a patch. PE mode happens when you get on the throttle pretty fast. Hopefully you've disabled the PE lag that's incorperated with the 7747 ecm (being used in a truck). When you snap the throttle open the o2 sensor becomes useless and so the BLM goes to 128 and from there the computer does some calculations to the VE tables to make your specific air fuel ratios. Like if you set the AFR to always be 14.7 under PE or WOT mode then you're tables won't be changed by the ecm. It'll just go to BLM 128 and do the stock tables. This is why you never see a N/a engine with it's AFR set to anything above 14.7. At least I have yet to see an eprom with say 15 or 16 AFR under PE mode.
Reply
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
fast_broker
TBI
4
Aug 5, 2002 08:22 AM
nsimmons
DIY PROM
3
Dec 3, 2001 07:43 PM
FastBroker
DIY PROM
11
Apr 2, 2001 07:59 PM
tpic1500
DIY PROM
1
Jan 4, 2001 03:28 AM
tpic1500
DIY PROM
1
Jan 3, 2001 10:40 AM




All times are GMT -5. The time now is 05:40 PM.