VPC??? MAFsux
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Joined: Oct 2002
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From: tampa fl
VPC??? MAFsux
Hey, I have a 89 MAF OBDI system. I am wondering if i can get a VPC to eliminate the MAF, so i can run the MAP sensor set up. I know on imports it's a big business. It's a box that converts the MAP reading into a MAF signal for the ECM. Therefore you have a Map system..... Anyone done it on the C4 vette??? Also, any idea how to upgrade the HEI to a the LS1 coil system?
B/C my Supra i'm building has a standalone computer and i have 6 LS1 coils for the igntion set up, and originally it came with a Distributor. I'd like to do a conversion on the HEI's. I also know where to get the connectors for the LS1 Denso coils pretty cheap. DON"T GO TO THE DEALER FOR THEM!!
cya laterzzzz
-Jason 89 L98 Coupe/84 Turbo Supra
B/C my Supra i'm building has a standalone computer and i have 6 LS1 coils for the igntion set up, and originally it came with a Distributor. I'd like to do a conversion on the HEI's. I also know where to get the connectors for the LS1 Denso coils pretty cheap. DON"T GO TO THE DEALER FOR THEM!!
cya laterzzzz
-Jason 89 L98 Coupe/84 Turbo Supra
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From: Jax, FL
Re: VPC??? MAFsux (Fast_vette89)
Your talking about DFI, Haltech, etc. Those systems have been around for a long time, but they eliminate the MAF sensor and only use a map sensor. I think the Haltech has it's own ignition, and has 8 coils of it's own, but I'm not sure.
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From: tampa fl
Re: VPC??? MAFsux (89gta383)
that's a "WHOLE" ECM set up that eliminates your factory one like i did to my Turbo Supra. I was just looking for the VPC, Vein Pressure Converter. That means your "factory" ecm see's the same voltage etc, but its coming from a MAP sensor, goes into this box, and then to your ECM. It's more of a piggy back system, and it only effects the MAF. Bc i really don't wana mess with a standalone system right now on the vette. Supra was enuff. cya!:)
Jason
89Coupe
84 Turbo Supra (=600HP)
Jason
89Coupe
84 Turbo Supra (=600HP)
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Joined: Apr 2000
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From: Shelton CT
Re: VPC??? MAFsux (Fast_vette89)
You are probably also referring to the S-AFC from APEXi, Its a very cool tool when working, but is designed for imports. I was thinking of getting one, but I got absolutely ZERO assistance on even answering my questions I sent to APEXi about doing a conversion for our MAF, so I decided against hacking up my ECM harness blindly.. They come with good wireing diagrams, and theoritically 'should' work with both our MAF and MAP systems.
I love seeing it work on my friends' Supra. Yo ucan program timing, fuel curves, everything from a piggyback unit like this. (SIGH) :nopity
I love seeing it work on my friends' Supra. Yo ucan program timing, fuel curves, everything from a piggyback unit like this. (SIGH) :nopity
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From: tampa fl
Re: VPC??? MAFsux (MrNuke)
the AFC is what your referring to. YES VERY COOL. BUT, the VPC is different, but similar. The afc wouldn't remove our MAF to a MAP. THE AFC alters what exists. the VPC is a different, more expensive unit. It's job is 1 thing, "REMOVE MAF, use MAP," and that's it. you can tune it for different fuel/air stuff though. but theres 2 things used on imports, AFC, VPC's, and standalones. I was wondering if i could get either the AFC/VPC but i guess not. DAM IT i might bitch up a storm to APEXi, B/c i want one. if i get anywhere i'll tell ya. Peace man!
-Jason
89Coupe
84 Turbo Supra
-Jason
89Coupe
84 Turbo Supra
Le Mans Master
Joined: Apr 2000
Posts: 6,341
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From: Shelton CT
Re: VPC??? MAFsux (Fast_vette89)
Cool
Keep us or me posted how you end up.
APEXi outright ignored my emails and calls so I gave up..
I would love to get rid of the MAF, but converting to SD is not something I want to do, as I rather not cut up everything etc, etc.
Also if I wanna spend $300-500 on the conversion, I rather
buy a Gen6 ACCEL DFI. You can buy those for that much nowadays..
:cheers:
Keep us or me posted how you end up.
APEXi outright ignored my emails and calls so I gave up..
I would love to get rid of the MAF, but converting to SD is not something I want to do, as I rather not cut up everything etc, etc.
Also if I wanna spend $300-500 on the conversion, I rather
buy a Gen6 ACCEL DFI. You can buy those for that much nowadays..
:cheers:
