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Radiator and Fuel Caps
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LCAC_Man
Posted 2016-04-20 9:21 PM (#3434)
Subject: Radiator and Fuel Caps


Extreme Veteran

100100100100
Location: Oceanside, CA
I don't want to further hijack Stephen's Duramax thread with the radiator and fuel cap details.
Here's what Lou posted:
Gates #31640 is a VENTED gas fill cap with finger tabs that fits my #120.
"Stant #10292 (7 Lb.), and Balkamp #703-1428 (10 Lb.) is a RECOVERY type radiator cap that fits the stock radiator on my #120.
Stant #10282 is a NON-recovery ope n type radiator cap of same size.
You may also see: https://groups.yahoo.com/neo/groups/FMCMotorCoach/conversations/topi...
for more Part #s. "

I also found that Stant 10293 is a 10lbs. recovery type cap. and that this cap number crosses to:
10293 Advance
33022 CARQUEST
82913 Dayco
46023 Edelmann
ETRC-103 Edelmann
31349 Gates
46023 Ideal Tridon
703-1428 NAPA
RTRC-103 Robertshaw
All the FMC Radiators use the "B-Size" cap


Gates #31640 is a VENTED gas fill cap with finger tabs that fits my #120.
The Gates 31640 crosses to:

10640 STANT - CARDED Fuel Tank Cap
12F13 ACDelco Fuel Tank Cap
14002439 General Motors Fuel Tank Cap
211201551 Volkswagen Fuel Tank Cap
31640 Gates Fuel Tank Cap
34013 CARQUEST Fuel Tank Cap
3814436 General Motors Fuel Tank Cap
3-E-30 Mopar Fuel Tank Cap
3-E-38 Mopar Fuel Tank Cap
3-E-40 Mopar Fuel Tank Cap
3-GF-30 Mopar Fuel Tank Cap
3-GF-38 Mopar Fuel Tank Ca

I bought both the Gates 31640 and Stant 10293 from Rock Auto for less than $11 shipped.






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LCAC_Man
Posted 2016-04-29 7:23 AM (#3438 - in reply to #3434)
Subject: Re: Radiator and Fuel Caps


Extreme Veteran

100100100100
Location: Oceanside, CA
Making broad statements like "All the FMC Radiators use the "B-Size" cap" always bites me in the azz..
If your radiator has had any major service in it's past (recore, reconditioning, etc..) you need to double check this..
I found (after my new cap arrived) that a few years back when my radiator was re-cored to 6 row they also put a new filler neck on the tank...and a standard size filler fitting..
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hemi354az
Posted 2016-04-29 12:45 PM (#3439 - in reply to #3438)
Subject: Re: Radiator and Fuel Caps


Veteran

10010025
Location: Scottsdale, Aridzona
Just think how cornfused the "next" Owner of FMC #1027 will be when he tries to install the Autolite 23 spark plugs in his shiny new ANTIQUE !
Note that I said, " . . . fits my #120". It is possible that there is not a single FMC remaining that is "stock". Biggest issue is just exactly what, how, and WHY the PO(s) changed . . . and can I get another one. My Bride often comments, "Can't you leave anything stock ?"

"standard size" ??? What does that mean ??? The B size is "standard" on a TRUCK Radiator. No, a pick-up is not a TRUCK. A dump truck, a cement truck, a dual rear axle truck (not duallys on a pick-up !), a MACK, a Peterbuilt, a Kenworth, a Navistar, . . . is a TRUCK.

"re-cored to 6 row" ? Didn't think the "stock" FMC radiator tanks could take two more rows. Knew RVS/Jim Black sold 6 core radiators for the FMC, but I never knew if it was some new radiator, or he sent "yours" out for recore to 6 row. Hmmm . . . who knew that it takes a 6 row 29 X 30 radiator to cool 225 Horse Power.

Parts Search ON ! Lou #120

Edited by hemi354az 2016-04-29 1:00 PM
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LCAC_Man
Posted 2016-04-29 12:58 PM (#3440 - in reply to #3439)
Subject: Re: Radiator and Fuel Caps


Extreme Veteran

100100100100
Location: Oceanside, CA
Hmmm . . . who knew that it takes a 6 row 29 X 30 radiator to cool 225 Horse Power- with a tiny 17" fan!! LOL!! I don't know WTH they were thinking with that fan on a 6 row radiator...no way it push enough air through it to make any kind of cooling difference!
Digging through some of the stacks of invoices I found both where RVS installed the new 6 row radiator and shortly after where a new Modine core was installed...I'm assuming something came loose and damaged the original 6 row core...
in the notes it said "fill neck replaced" but nothing about a size change.. I guess it's possible that the new 6 core radiators that RVS installed came with smaller caps?
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