[Diy_efi] Converting from Carburation to TBI

Scott Pearson mrcad472
Tue Jul 18 13:20:03 UTC 2006


If you're really set on TBI, use the Caddy intake, plug the injector ports 
and install a TBI unit on it. Bob Valentine was using a TBI w/o injectors 
for a throttle body on his Cutlass.

I believe that Caddy intake will bolt up to just about any Olds V8 (Bob's is 
on a 403).

Scott

----- Original Message ----- 
From: "Dan Maker" <redbeard at xmission.com>
To: <diy_efi at diy-efi.org>
Sent: Monday, July 17, 2006 11:51 PM
Subject: Re: [Diy_efi] Converting from Carburation to TBI


> On Mon, Jul 17, 2006 at 08:56:22PM -0500, Wallace O. Powelle wrote:
>> If I'm not mistaken the 307 & 350 Olds were never available with TBI, the
>> last ones I saw were feedback carbs.  The Seville with the 350 Olds block
>> may have had special heads for the port injection setup.  Just my feeble
>> memory, Wallace
>
> Wallace,
>
> As far as I've been able to tell, the Seville setup used standard heads,
> but had an applicaton specific intake.  A friend of mine that's been a
> mechanic for some 20 years, says he's seen a few Caddies that had olds
> engines, with TBI, I found a reference in the online oldsmobile
> documentation (not factory, but fan gathered documents) to a CFI intake,
> with a three bolt pattern, which sounds right for TBI, perhaps this is
> actually the intake for the late '70s TPI that was used on the
> Cadillacs.
>
> Dan







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