DIY EFI on 400ci smallblock?/ANHT

[Squash]

>From comparing the AUJP to the ANHT hac, they are exactly the same thing.  I compared the bins
once, and I recall 1 difference in a spark table or something miniscule.

Squash

--- Dave Zug <dzug at delanet.com> wrote:
> 
> I've a budget oriented 406 TPI in the works at the moment. Going on a T56 in
> a convertible thirdgen.
> 
> Is not ANHT the TPI VETTE cal that does some control or monitoring with the
> vette trans?  what general tweaks are nessecary to run it in, say, a F-body
> without these tranny (or whatever they are) features?
> 
> 
> -Dave Z
> 
> 89 Iroc - '730 - 383 large tube MAP TPI, ZZ3 cam ,dry NOS 50 shot.
> 12.79 @106 / 12.08 @ 112.   www.delanet.com/~tgp
> 92 25th annev convertible  305 / T56.  268 mph in a perfect vacuum.
> ----- Original Message -----
> From: Hector <hecyeah at prodigy.net>
> To: <gmecm at diy-efi.org>
> Sent: Monday, June 18, 2001 7:14 PM
> Subject: Re: DIY EFI on 400ci smallblock?
> 
> 
> > I'm going to convert to EFI a similar engine: 10:1, 64 cc  AL heads, 404
> ci,
> > home made PFI. I had been looking at the AUJP as a base but considering
> that
> > a Vette engine had AL heads and such, I'm now thinking the ANHT. Mainly
> for
> > the timing tables. Oh yeah, and for the limp mode as I need a calmap
> anyhow.
> >
> > Hector
> > http://soflaspeed.freeservers.com
> >
> >
> > ----- Original Message -----
> > From: "Len Sabatine" <sabatine at epix.net>
> > To: <gmecm at diy-efi.org>
> > Sent: Monday, June 18, 2001 11:20 PM
> > Subject: Re: DIY EFI on 400ci smallblock?
> >
> >
> > >      Starting with *8 Injectors [ Port ]  , an 8262 ECM , and AUJP as a
> > base,
> > >      will produce much more satisfying results IMHO.
> > >
> > >    Len
> > >
> > >
> > > >List,
> > > >
> > > >I have been trying to grasp DIY EFI by reverse engineering the code
> > > >my P4 ECM out of an 88 4cyl fiero, and so far it has been quite
> > > >frustrating/unbeneficial.  I understand the assembly code just fine,
> > > >but not the ability to truely reverse engineer it and understand what
> > > >it's actually doing - it's difficult to recognize the purpose of most
> of
> > > >the subroutines and code.  I've kind of given up on this project for
> > > >now.
> > > >
> > > >That doesn't mean i'm out of projects, yet.  :)  I am in a buildup
> > > >process of a 400ci smallblock chevy bound for a 71 camaro, and
> > > >i'm wondering about the prospects of converting it to a '747 TBI
> > > >setup.  I'm thinking a project like this should be a LOT easier, given
> > > >the large amount of knowledge and work already gone into the '747
> > > >ecm, as opposed to some 4cyl ECM nobody cares about!  :)
> > > >
> > > >Question is, how much motor can the 747 ECM be made to deal
> > > >with?  Here's what I've got, if anyone with some knowledge of what
> > > >the 747 can and cannot do (or good/bad uses of it) could let me
> > > >know if i'm barking up the right or wrong tree, would be greatly
> > > >appreciated!!
> > > >
> > > >10:1 400ci smallblock chevy w/ 5.7" rods
> > > >
> > > >GM's 'fast burn' alum heads (the 210cc intake runner heads) in as-
> > > >cast configuration with stock valves (2.00/1.55) with valvesprings
> > > >appropriate for my cam choice
> > > >
> > > >exhaust will be headers with 1 3/4" primaries, full length tubes, to a
> > > >2.5" dual exhaust with full tailpipes and crossover pipe
> > > >
> > > >performer RPM air gap for the vortec head bolt pattern
> > > >
> > > >cam is mech. roller, 232/240 @ 0.050", 0.505"/0.523" net lift, 112
> > > >degrees lobe sep angle
> > > >
> > > >and all the necessary high quality fasteners, machine work,
> > > >attention to detail and clearances, etc. to make it a reliable
> > > >street/strip motor...  oh yeah, the car is a manual tranny car, 4spd
> > > >for now, oneday to be a 5spd or 6spd but definately always a
> > > >manual.
> > > >
> > > >Basically, it's a ZZ430 crate motor with 50 more cubic inches, a bit
> > > >better intake, and a bit bigger cam.  If the ZZ430 was capable of
> > > >430HP   out of 350ci, I reasonably anticipate an honest 450HP if not
> > > >a bit more out of this 400.
> > > >
> > > >So, anyhow.  Is this a good candidate for a '747 TBI setup?  Can a
> > > >'747 run a 4bbl TBI?  Can the '747 deal with a moderate cam that
> > > >may not idle like a swiss timepiece?
> > > >
> > > >Any comments greatly appreciated!!!!
> > > >
> > > >nick
> > >
> >
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=====
Trains, Trucks, and EFI at http://www.trailrunners4x4.org/users/realsquash

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