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Old 03-10-2018, 03:23 PM   #1
nrb's70gmc
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Join Date: Sep 2008
Location: magalia,ca
Posts: 366
front crossmember-pre runner bumber Build

Hay everyone id like to share my most recent update to my truck
this idea started out of the blue and a piece of 12in x 3/8in flat plate.

it may not be what you like or built the way you woud do it but its 100% my truck and my idea and i think it turned out ok.

whole thing is bolt on using factory frame holes (+ some holes) with 1/2in and 5/8ths grade 8 bolts and the bumber can be removed from crossmember.

tubing is 1 1/2in .120 DOM

only tools used were a welder and and angle grider.
hope you enjoy.

SO IT STARTS- FRAME WIDTH X12in FLAT PLATE SCORDED AND HAND BENT, SEEMS WELDED UP GROUND DOWN AND SMOOTHED.
(MY IDEA WAS A CROSSMEMBER THAT WOULD WRAP AROUND FRONT OF TRUCK FRAME.




























CROSSMEMBER ALL DONE










STARING TUBE BUMBER DESIGN-ANGLE OF 1970 GMC GRILL


MATCHING TUBE ANGLE WITH GRILL ANGLE


THE 2 (OUTER ANGLES) LINE UP WITH INSIDE OF HEADLIGHT BUCKETS


1/4in PLATE USED FOR FRAME TIE INS


HUGS THE FRAME








NOT ME :-)


DESIGNED IT TO LINE UP WITH BOTTOM OF GRILL


ALL DONE
__________________
1970 2wd 3/4 ton- 2004 crate 350 thorley tri-y headers-edelbrock performer eps manifold 600cfm performer carb, crane cams energizer cam,lifters, dual 2.5 magnaflows, mallory HEI, powermaster 140 amp altenator, griffen aluminum radiator.(8 MPG)
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