[Gmecm] Fw: TPI on a 412sbc

Programmer lwester
Wed May 31 21:06:45 UTC 2006


Running 3 of 'em in different states ? Is that US states or different states 
of repair ?

Look carefully at the VE tables on those...that reveals a lot of what goes 
on at higher RPM.

Lyndon.

----- Original Message ----- 
From: "Rick McLeod" <dunvegan at sbcglobal.net>
To: <gmecm at diy-efi.org>
Sent: Wednesday, May 31, 2006 12:29 PM
Subject: Re: [Gmecm] Fw: TPI on a 412sbc


> In my opinion, you're going to be very dissapointed unless u use an 
> aftermarket TPI intake/plenum/runners, as the factory becomes very 
> restrictive above 4500RPM and about 400HP/Ft# limits. I know, I'm running 
> 3 of them in different states, and have done quite a bit of research. Read 
> Lingenfelters SBC book before your attempt this to know the limits and 
> what you need to do to circumvent the limits before you sink $$ down this 
> hole. TPI works great on 5L, which is what it was originally designed for, 
> and was retrofitted to 5.7L but low RPM setups and prompted the GM venture 
> into the LT/LS development to achieve higher RPM powers
>
> ----- Original Message ----
> From: Travis Eighinger <teighinger at zoominternet.net>
> To: gmecm at diy-efi.org
> Sent: Wednesday, May 31, 2006 12:48:13 PM
> Subject: Re: [Gmecm] Fw: TPI on a 412sbc
>
>
> Th400 transmission and 1227165 ecm
>
>
> ----- Original Message ----- 
> From: "Mark Romans" <romans at starstream.net>
> To: <gmecm at diy-efi.org>
> Sent: Wednesday, May 31, 2006 1:41 PM
> Subject: Re: [Gmecm] Fw: TPI on a 412sbc
>
>
>> What year ecm?  What trans?
>> Mark
>>
>> ----- Original Message ----- 
>> From: "Travis Eighinger" <teighinger at zoominternet.net>
>> To: <gmecm at diy-efi.org>
>> Sent: Wednesday, May 31, 2006 10:30 AM
>> Subject: [Gmecm] Fw: TPI on a 412sbc
>>
>>
>>
>> ----- Original Message ----- 
>> From: Travis Eighinger
>> To: diy_efi at diy-efi.org
>> Sent: Wednesday, May 31, 2006 1:25 PM
>> Subject: TPI on a 412sbc
>>
>>
>> I want to put TPI on a 412 I built. It has ~450hp and 530ft.-lb. The
> engine
>> will never see more than 6000 rpms. I wanted to know if anybody has a
>> starting point for ecu program or any suggestions. Thanks
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>
>
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