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Re: [GMCnet] EFI vs Carb [message #326481 is a reply to message #326480] Wed, 29 November 2017 15:23 Go to previous messageGo to previous message
bdub is currently offline  bdub   United States
Messages: 1578
Registered: February 2004
Location: Central Texas
Karma:
Senior Member
I have 6" holes in the floor rabbited out to 7" on top 1/2" so the cover
won't fall out. I had to put on a new 2" piece of fuel resistant hose to
couple the fuel pump to the output tube. My first one disintegrated after
a couple of months and left me dead on the side of the road. Yes, I
switched pumps to pull from but that pressure went straight into the rear
tank because the pump connection wasn't there to stop it! Anyhow, I was
able to easily pull out the pump and sender assembly, repair, and
re-assemble without any trouble. Even with the o-ring seal.

bdub

On Wed, Nov 29, 2017 at 2:49 PM, Jon Roche wrote:

> Rob-
>
> 2 quick things.
> Do you know anybody who has cut the holes in the floor and what diameter
> and have r+r there fuel pumps through that hole??
> I see that option talked about, and good in theory, I never heard how well
> it worked out in real life. I keep thinking you need a really big hole
> to manouver the fuel pump in and out of the tank, as well as getting the
> lock rings twisted and in place square and proper. Not saying it cant be
> done, but when I have looked at accessing the fuel senders 2-3 " below the
> floor, i wonder how big of a hole is needed to service?
>
> 2nd item is when I have had fuel tanks down it is more then obvious where
> to drill up. The last coach I did, i hole sawed out the foam, and drilled
> up into carpet with a 1/4" bit. You wont need to lift the tank to mark
> anything from bottom.
>
> If you look at my photos you will see the factory already has a hole for
> senders. At least on my 75 and the 77 i did tanks on.
>
> --
> Jon Roche
> 75 palm beach
> St. Cloud, MN
> http://lqqkatjon.blogspot.com/
>
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bdub
'76 Palm Beach/Central Texas
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