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Re: Re[2]: To inject or not to inject...

To: Ed Lutz <edlutz@laverdajota.com>, ardunbill@webtv.net
Subject: Re: Re[2]: To inject or not to inject...
From: <hotrod32@fuse.net>
Date: Tue, 23 Apr 2002 21:09:38 -0400
Ed, I always liked 2 4 barrels on a tunnel ram. One hole per cylinder. What are 
your thoughts on that?

John Backus
> 
> From: Ed Lutz <edlutz@laverdajota.com>
> Date: 2002/04/19 Fri PM 12:56:44 EDT
> To: ardunbill@webtv.net
> CC: land-speed@autox.team.net
> Subject: Re[2]: To inject or not to inject...
> 
> OK, on the single carb to multi cylinder concern your of course
> correct. Coming from my background of motorcycles I was thinking multi
> carb setup with one carb per cylinder. Different frame of reference.
> If switching from a distribution manifold design to port injection you
> will most likely gain power. How about the single carb per cylinder
> situation though? My thought is that injection is something that will
> give better drivability due to it being more adjustable than a jet
> controlled carb, which can have problems metering properly through the
> entire rev range. Injection is probably easier to tune if you have the
> correct equipment, but for pure power delivery I don't see an
> advantage. A slide throttle carb will present a cleaner throat than a
> butterfly controlled FI throttle body, plus I believe that a properly
> setup carb does a better job of atomizing the fuel than an injector
> (what I've been told by engineers more versed than I on the subject).
> So, for a vehicle (lets say motorcycle to stay with the one carb per
> cylinder comparison) destined for Bonneville which needs enough
> tractability to properly accelerate across the salt and as much
> absolute HP as possible to gain the desired record, why would FI be
> inherently better than carburation?
> 
> Of course I think you did say that on a multi carb setup as on a bike
> that you felt the difference would be minimal so perhaps the entire
> conversation is moot anyhow :)
> 
> Regards,
> 
> Ed

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