I did numerous searches on the internet last night for these. I found some LT1 bins and I have an EE tunercat definition file (94/95) but tuner cat does not display any VE tables. I am just curious to see how close the LT1 programming is to my Miniram programming.

Thanks
Jason

 

You will need a BIN from a 1993 LT1 as that version is SD. The later ones are MAF as I understand.

 

So there is no VE table so to speak? I thought there was becuase I read where you can disable the MAF and run the car on pure SD if you want. It seems that the LT1 ODB1 systems with a MAP and MAF are much easier to tune than the 730's we play with. If someone came out with a better MAF system for my car I'd be first in line to switch. The MAF is a great thing IMO. There was a company working on using an aftermarket Ford MAF with a translator to use on 85-89 Corvettes. It must have fell by the wayside.
Jason

Jason

 

Bruce is actually working on a 8051 PCM (LT1 94/95) conversion as a project. I don't know the status and Bruce is currently in the hospital (that's why you haven't seen any posts for the last day or two and won't for probably a couple of weeks).

YES, converting to a 8051 PCM (if it is able to be modified to work) would be the ultimate swap. Which is better MAF or SD? BOTH, as in the 8051s case.

The biggest hurdle (as I understand it) is Opti-spark issue. Either the regular HEI spark control from a 7730 will need to be grafted on the 8051s code or some way to make Opti-spark work on a Gen 1 block.

For us automatic guys, there is the transmission issue also. I would like to think of a way to offer both (eletronic and non-electronic) automatic transmissions as a viable option.

BTW, have you tried setting your original (ANHT) Vette SD BIN with all the tables from your AUJP (F-body SD BIN) to see if that fixes some of your problems? I was thinking that there may be some differences between the two that may solve your dilema. If it doesn't, then you will at least know that your problem is something within the tables and not with the AUJP BIN itself.

 

I have a bin from a 92 LT-1 (Corvette) which was SD and 730. It uses TC Definition DA-2, if it's of any help.

DrJ

 

I recall seeing a 94 or 95 Corvette with a Gen 1 small block some time ago.. I will have to search for the article. I am not sur eif the PCM was kept or swapped for a 727.. I would think if you couls get a crank trigger set-up for a Gen 1 small block that might help

 

Yes you can, run a 95 LT1 in SD mode.
MAFs will always have there own set of issues, if you search thru the final answers the answer is in there.

There is a program afoot for retrofitting a 2000 LS1 or LT1 MAF to the earlier FBod 165 cars.

The 8051 (flash) pcm is fun to work with but no different then a 730 with a EEPROM in it.
R+R a EEPROM, or R+R the programming cables, it's about the same.

The actual tuning is the same. Measure performance, make change measure performance, note difference or tend and continue.

 

Hope your feeing better Grump. I'd be the first in line to use and or test an LS1 MAF in my car. Please keep us posted on the results of this.

Jason

 

Been feeling fine, trouble with that is that last few biopsies, was feeling great but still was in rejection.

Anyway, I've sent a MAF to the Eng.Co., and have a LT1 MAF with both size housing packaged to go to one player, for testing. Life would be so much easier with an unlimited budget.

 

Well let me know if I can help.

Jason

 

In the EE pcm there are 3 VE tables - a 0-340 (cranking shot), 400 to 2000 VE and 2000 to 7000 VE. I went ahead and uploaded a dump out of a stock 95 file

http://shared.slowcar.net/0to340VE.txt
http://shared.slowcar.net/400to2000VE.txt
http://shared.slowcar.net/2000to7000VE.txt

this car is a MAF vehicle, but can be run in speed denisty also.

Chris Bennight

[This message has been edited by ChrisB (edited August 11, 2001).]

 

The crank table looks a little backwards to me.
usually higher TPSs are for a clear flood mode, meaning leaner not richer.
Course still working on first cup of coffee.