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Fuel Tank Swap #738410
July 18th 2018 8:48 pm
July 18th 2018 8:48 pm
Joined: Dec 2011
Posts: 620
Ca. USA
SpaceTruckin Offline OP
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SpaceTruckin  Offline OP
addict
Joined: Dec 2011
Posts: 620
Ca. USA
Anybody have experience with putting a 77 Chevy G10 33 gallon gas tank in a 73 Chevy G10 w original 21 gallon gas tank. Will the swap work?

https://www.ebay.com/itm/NEW-Fuel-Tank-With-Lock-Ring-And-Seal-Dorman-576-052/362239681030

https://imgur.com/a/k9LMmpq





Steve
1967 Chevy 90 "Space Truckin"
350 SBC w 260hp/ 350tq, MSD HEI, Holley 4150, Sanderson Block Hugger Headers, BowTie 700R4,
3:36 posi

1973 Chevy 110 "Orange Bang" w emphasis on the BANG :-)
383 Stroker w 440hp/ 480tq, MSD 6AL/ HEI, FiTech, Long Tube Headers, BowTie 700R4,
3:73/ Eaton Truetrac, "Cruiseaire" Original

Re: Fuel Tank Swap [Re: SpaceTruckin] #738435
July 19th 2018 10:42 am
July 19th 2018 10:42 am
Joined: Sep 2005
Posts: 8,817
Georgia, USA
CatFish Offline
carpal tunnel
CatFish  Offline
carpal tunnel
Joined: Sep 2005
Posts: 8,817
Georgia, USA
Not sure about the '70s but I know the later models won't interchange between 22 and 33 gallon without modifying/swapping frame crossmembers.
I have a later model one of each and on the 22 gallon the cross member the tank "nests" into and is contoured to fit is closer to the rear while the 33 gallon is farther forward. Since these are welded in place they would require quite a bit of rework.


The only difference between a rut and a grave is the depth.
Re: Fuel Tank Swap [Re: CatFish] #738447
July 19th 2018 4:36 pm
July 19th 2018 4:36 pm
Joined: Dec 2011
Posts: 620
Ca. USA
SpaceTruckin Offline OP
addict
SpaceTruckin  Offline OP
addict
Joined: Dec 2011
Posts: 620
Ca. USA
Thanks for the reply, like my 2nd gen cross member is welded ....hmmm. Now I need to confirm dimensions of 33 gallon tank vs 22 gallon tank, with the 383 stroker I am only getting 8-11 mpg and it would be nice to have a bit more distance in the tank.


Steve
1967 Chevy 90 "Space Truckin"
350 SBC w 260hp/ 350tq, MSD HEI, Holley 4150, Sanderson Block Hugger Headers, BowTie 700R4,
3:36 posi

1973 Chevy 110 "Orange Bang" w emphasis on the BANG :-)
383 Stroker w 440hp/ 480tq, MSD 6AL/ HEI, FiTech, Long Tube Headers, BowTie 700R4,
3:73/ Eaton Truetrac, "Cruiseaire" Original


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