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Old 01-31-2007, 11:22 AM   #1
drftsub
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does it swap? fuel tank suburban to blazer

Hey all, wondering if anyone knows if the fuel tank will swap between suburban / blazer.

thanks!
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Old 01-31-2007, 10:16 PM   #2
imiceman44
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Quote:
Originally Posted by drftsub
Hey all, wondering if anyone knows if the fuel tank will swap between suburban / blazer.

thanks!
The suburban tank will not fit in a blazer.
It will fit in a long bed truck in place of the spare tire.
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1997 GMC savana
1991 crew cab no drivetrain for now
1989 Jetta 4 speed DD
1985 suburban 3/4 ton 4x4 6.2TD
1977 K5 chalet
1974 suburban 1/2 ton 4x4 350
1970 Chevy LB 2wd 396 BBC 700R4
1967 Pontiac Firebird 400
1965 Chevy Corvair coupe 110
1962 Chevy Corvair Van Greenbriar
1986 Honda 250 XL
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Old 02-01-2007, 10:12 AM
Posted in reply to imiceman44's post starting "The suburban tank will not fit in a..."
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dyeager535
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I thought the small suburban tank (31 gallons) was the same as a Blazer 31 gallon tank, and the 40 gallon Sub unit wouldn't fit?

Somewhere here (search) I believe someone measured the various tanks.
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"1985" K5: Vortec Headed Roller 355/MAF TPI/32 spline 465/205/10B-14SF/3.42's/33". Will be converted to MAP TPI in the future.

1987 K5: 350/TBI/700R4/208/10B F/R/3.73's/31" Someday will assimilate the "1985" drivetrain.

The answer to your carburetor problem is fuel injection.
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Old 02-02-2007, 07:57 AM
Posted in reply to dyeager535's post starting "I thought the small suburban tank (31..."
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imiceman44
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Quote:
Originally Posted by dyeager535
I thought the small suburban tank (31 gallons) was the same as a Blazer 31 gallon tank, and the 40 gallon Sub unit wouldn't fit?

Somewhere here (search) I believe someone measured the various tanks.
I didn't know they offered the 31 gal tank in the sub.
I have the 40 gal, and it won't fit.
The 45 gallon from my van won't fit in either the sub or the blazer, it's wider than the frame in those trucks.
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1997 GMC savana
1991 crew cab no drivetrain for now
1989 Jetta 4 speed DD
1985 suburban 3/4 ton 4x4 6.2TD
1977 K5 chalet
1974 suburban 1/2 ton 4x4 350
1970 Chevy LB 2wd 396 BBC 700R4
1967 Pontiac Firebird 400
1965 Chevy Corvair coupe 110
1962 Chevy Corvair Van Greenbriar
1986 Honda 250 XL
1985 Honda Magna V45
1970 Wreidt 19' jet drive boat 455 olds
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Old 02-04-2007, 11:05 PM
Posted in reply to imiceman44's post starting "I didn't know they offered the 31 gal..."
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fixmy59bug
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Quote:
Originally Posted by imiceman44
I didn't know they offered the 31 gal tank in the sub.
I have the 40 gal, and it won't fit.
The 45 gallon from my van won't fit in either the sub or the blazer, it's wider than the frame in those trucks.
Unfortunately they did. That is what I am stuck with in my 89 GMC suburban. Is it possible to upgrade to the 40 gallon tank in my 'Burban?
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Old 02-05-2007, 12:11 AM
Posted in reply to fixmy59bug's post starting "Unfortunately they did. That is what I..."
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BKinzey
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I would think it would be just swapping tanks & straps on the Burb.

I read the difference between the 25 and 31 in the Blazer is only 2"

28 x 28 x 10.5 and 28 x 28 x 12.5.
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Old 02-05-2007, 07:33 AM
Posted in reply to fixmy59bug's post starting "Unfortunately they did. That is what I..."
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imiceman44
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Quote:
Originally Posted by fixmy59bug
Unfortunately they did. That is what I am stuck with in my 89 GMC suburban. Is it possible to upgrade to the 40 gallon tank in my 'Burban?
Yeah, you can even get the 44gal from a diesel sub, that is the biggest you can fit in the sub.
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1997 GMC savana
1991 crew cab no drivetrain for now
1989 Jetta 4 speed DD
1985 suburban 3/4 ton 4x4 6.2TD
1977 K5 chalet
1974 suburban 1/2 ton 4x4 350
1970 Chevy LB 2wd 396 BBC 700R4
1967 Pontiac Firebird 400
1965 Chevy Corvair coupe 110
1962 Chevy Corvair Van Greenbriar
1986 Honda 250 XL
1985 Honda Magna V45
1970 Wreidt 19' jet drive boat 455 olds
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Old 02-05-2007, 06:20 PM
Posted in reply to imiceman44's post starting "Yeah, you can even get the 44gal from a..."
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fixmy59bug
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OOOooooohhhhhh. 44 gallons... Now that sounds like a good time. Would I need to upgrade my sender when I upgrade to either tank from my 35 gallon tank? Or will my stock sender unit accurately show my fuel level?
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Old 02-05-2007, 10:38 PM
Posted in reply to fixmy59bug's post starting "OOOooooohhhhhh. 44 gallons... Now that..."
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BKinzey
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I only know they are different between gas & diesel. Don't know if your 35 will register correctly in a 44.

Could be fun though!

"Hey! Buggy, the needle's on EMPTY!"

"Screw it! I'm driving the 100 miles to town!"

Or:

To friends

"Geeze guys, I'd drive but the tank is on "E" !"

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Old 02-05-2007, 11:12 PM
Posted in reply to fixmy59bug's post starting "OOOooooohhhhhh. 44 gallons... Now that..."
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dyeager535
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I can't answer if it will work or not, but depth is the only critical thing when talking similar sending units. All operate/measure the same way, if the depth of the tank is the same, the senders will interchange. (with the normal exceptions like TBI, emissions, etc)
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"1985" K5: Vortec Headed Roller 355/MAF TPI/32 spline 465/205/10B-14SF/3.42's/33". Will be converted to MAP TPI in the future.

1987 K5: 350/TBI/700R4/208/10B F/R/3.73's/31" Someday will assimilate the "1985" drivetrain.

The answer to your carburetor problem is fuel injection.
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