Re: [Amc-list] Ford EFI on AMC

[Wrambler242@xxxxxxxxxxx]

Bungs

[injector bungs that is] I'd go that route if I was building a one off V-8.
Used intakes for AMC V-8's aren't that hard to find.
TBI would be easier though. I guess now that I'm typing I see the other issues, such as fuel rails, etc;


--
Mark Price
Morgantown, WV
1969 AMC Rambler, 4.0L, EFI, T-5

 -------------- Original message ----------------------
From: "Swygert, Francis G MSgt 436 CES/CECM" <Francis.Swygert3@xxxxxxxxxxxx>
> Date: Thursday, March 22, 2007 08:01 PM
> From: Jeff Reeves <amcnut@xxxxxxxxxxxxxx>
> 
> The Ford TBI from about 83-86 or thereabouts was found on the
> T-bird/Cougar,
> Mustang, Town Car, LTD/Marquis, and the LTD Crown Victoria/Grand
> Marquis. The Ford TBI throttle body will directly bolt to an AMC V8
> 2-barrel manifold, as it has the exact same footprint as the Motorcraft
> 2100 carb that is ubiquitous to AMC usage. No adapter needed!
> 
> Jeff Reeves
> -------------------
> 
> Thanks for that info Jeff!! I think the CFI system was used on 351s in
> the big cars as well as 302s. The 351 system should be enough for a mild
> 360. 
> 
> Don't expect a big power increase with CFI if the carb is in great shape
> though! What you will get is a slight increase in fuel economy (2-3 mpg)
> and much easier starting and idling. There will be some power gain, but
> only under adverse conditions. 
> 
> A well tuned carb is fully capable of as much power as any fuel
> injection system under ideal conditions, like in the dyno room. There is
> seldom more than a 5 hp difference on similar engines on a dyno, with
> the only difference being a finely tuned carb and well setup EFI. The
> difference comes in when it's 20 degrees in the morning and the carb has
> to load up to run. The EFI will run rich for a shorter time and warm up
> faster. The computer will tune the engine to run best under current
> conditions. A carb cannot adapt very well to differing conditions. A
> simple change in altitude will cause a carb to run rich or lean, but EFI
> will adapt to conditions. Carb are generally set to run a little rich --
> better to rich than to lean! EFI will run rich under "choke" and WOT,
> but is adjusted closer to the ideal fuel/air ratio at other times. 
> 
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