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Old 11-06-2023, 09:53 AM   #1
MALIBLOC
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Location: Tustin CA
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rear tank with lower springs

Went thru the threads but didnt find my answer.
Recent truck I purchased has 5" CPP springs and the bump stops are about 1 inch from axle.
If I mount a rear tank from CPP, Im assuming that the bump stops will read on axle tube.

DO I HAVE TO DO THE MINI C-NOTCH OR CAN I GO WITH A HEAVY DUTY SPRING TO ACCOMADATE THE WEIGHT OF A FULL TANK?

Any help is appreciated
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Old 11-06-2023, 01:34 PM   #2
62bagger
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Re: rear tank with lower springs

With only 1" to the bump stops I would do a C notch, or you will be slamming your axel on the frame every time you go over a bump. The ride will be terrible and you will not be happy.
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Old 11-06-2023, 02:24 PM   #3
vin63
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Re: rear tank with lower springs

That's not enough suspension travel in that particular case, regardless of spring rate. Not only will it be highly uncomfortable, but it will be dangerous. I would C-notch the frame if you plan to lower the rear that much.

Quote:
Originally Posted by MALIBLOC View Post
Went thru the threads but didnt find my answer.
Recent truck I purchased has 5" CPP springs and the bump stops are about 1 inch from axle.
If I mount a rear tank from CPP, Im assuming that the bump stops will read on axle tube.

DO I HAVE TO DO THE MINI C-NOTCH OR CAN I GO WITH A HEAVY DUTY SPRING TO ACCOMADATE THE WEIGHT OF A FULL TANK?

Any help is appreciated
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1963 C-10: Deluxe-optioned cab, shortbed, fleetside
Pontiac 462 ci, Kauffman D-Port alum. heads
4L80E, narrowed sheetmetal Ford 9-inch
Tubular front and rear suspension
Custom 6-piston front disc and 4-piston rear disc brakes
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