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  88 Formula, what to use for fuel tank and sending unit?

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88 Formula, what to use for fuel tank and sending unit? by DKcustoms
Started on: 06-16-2015 09:01 PM
Replies: 4 (466 views)
Last post by: Lou and Blue on 06-18-2015 10:21 AM
DKcustoms
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Report this Post06-16-2015 09:01 PM Click Here to See the Profile for DKcustomsSend a Private Message to DKcustomsEdit/Delete MessageReply w/QuoteDirect Link to This Post
Background info:
I have a Formula that I am putting all of my 86 Aero body parts on.
already cleaned up and painted the 86 tank and put the ep381 fuel pump in.

dropped the 88 formula gas tank, good be cleaned outside, but inside is fine, fuel pump works fine.


Now, I have seen the 84-87 had a 10 gallon tank, and the 88s had an 11 gallon tank.
with the two side-by-side, they are almost identical, but definitely different.

If I take the sending unit, float, etc, from the 86 and put it in the 88 tank, will it read close enough?

What if I just put the 86 tank and sending unit in the 88 with the 88 gauges?

I wouldn't mind an extra gallon of fuel, but the 86 is already finished and would literally just need to be hooked up, instead
of cleaning and painting the 88 tank, swapping the fuel pump over to the 88 sending unit, etc...
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Report this Post06-17-2015 12:42 PM Click Here to See the Profile for Gall757Send a Private Message to Gall757Edit/Delete MessageReply w/QuoteDirect Link to This Post
There is the issue of the expansion tank to consider. The 88 has an extra tank in the fender next to the battery, and that is the biggest reason why the main tank has a larger capacity. You can use the sender and gauges from either car....nothing is that accurate that will make any difference....but you should make sure to hook up the expansion tank properly, so the extra lines need to be there.

I have a picture of the expansion tank....ignore the text...that was for another problem.

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2.5
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Report this Post06-17-2015 12:43 PM Click Here to See the Profile for 2.5Send a Private Message to 2.5Edit/Delete MessageReply w/QuoteDirect Link to This Post
related threads:

//www.fiero.nl/forum/A...070315-2-075583.html

//www.fiero.nl/forum/A...050818-1-049946.html

I would think the sender would read close enough, they arent the greatest most times anyway

[This message has been edited by 2.5 (edited 06-17-2015).]

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DKcustoms
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Report this Post06-18-2015 12:29 AM Click Here to See the Profile for DKcustomsSend a Private Message to DKcustomsEdit/Delete MessageReply w/QuoteDirect Link to This Post
I removed my expansion tank when I swapped over my body panels.

Not only will I have a vented gas cap, but I think I will be fine without it.
Please no one say "You will have issues/problems/hazards without it!" I've done the research, your words would fall on deaf ears.

Thank you for the comments. I think I will end up cleaning the 88 tank and using the 86 sending unit.
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Lou and Blue
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Report this Post06-18-2015 10:21 AM Click Here to See the Profile for Lou and BlueClick Here to Email Lou and BlueSend a Private Message to Lou and BlueEdit/Delete MessageReply w/QuoteDirect Link to This Post
Kurt you might get more info and suggestions if you post this in the technical questions area. Just tryin' to help.
Louis

------------------
===Always trying to find time to work on cars===
Louis Duet
Baldwin, Long Island, NY
"My mind spins like helicopter blades." -G. Rossdale
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"Blue" <= '85 Fiero GT
3800sc series 2 swap in progress--IT'S ALIVE !!!!!
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"Boo" <= '81 Delorean DMC-12
VIN #5835
Stock PRV engine
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