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Old 03-20-2019, 07:08 PM   #26 (permalink)
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What's the difference between a BBC and SBC crossmember?
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Old 03-20-2019, 08:31 PM   #27 (permalink)
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What's the difference between a BBC and SBC crossmember?
About an inch to clear the oil pan.
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Old 03-22-2019, 09:41 AM   #28 (permalink)
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What's the difference between a BBC and SBC crossmember?
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About an inch to clear the oil pan.
Yep I ended up notching mine to get my 468 in.....
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Old 03-22-2019, 08:48 PM   #29 (permalink)
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Yep I ended up notching mine to get my 468 in.....
I didn't have any issues when I swapped a 454 in place of a sb400 in a 79 suburban. Other than a stock 454 truck fuel pump was too tall. So I used a pump for a 70 malibu with a bb.
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Old 03-30-2019, 02:51 PM   #30 (permalink)
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I have my box all torn down and cleaning everything up, just want to make sure these are the correct spots to drill and tap before I go for it


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Old 03-30-2019, 08:27 PM   #31 (permalink)
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Well after doing a little research like I probably should have from the get go I figured out how the whole system works and where pressure comes from. Just have to put it back together and start figuring out crossover. With so many options I donít know who to go with. Need a high steer arm, drag link and pitman arm.


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Old 03-31-2019, 09:14 AM   #32 (permalink)
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Got the box all finished up and ported. Iím thinking of going with the Ruffstuff Crossover kit seeing as itís to easy to weld the bungs Ect. And way cheaper then ORD and the other manufacturers. My question is what pitman arm should I run. Thereís a sea of options and different set ups. Iím open to suggestions


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Old 03-31-2019, 06:30 PM   #33 (permalink)
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My experience with a tapped stock chevy box was it sucked. Never seemed to work correctly was fine one way but not the other. Put a PSC box in and it's night and day difference. Notice how small the bottom port is. It's tiny compared to a PSC box.
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Old 03-31-2019, 07:31 PM   #34 (permalink)
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On my first crossover build years ago I used a 99 WJ pitman,tie rods and the adjuster sleeve ( I keep thinking I ran two "inner" tie rods that would be at pitman on a wj but cant remember exactly). I cut the adjuster sleeve in half then slipped it into SCH80 pipe and welded it at the ends and plug welds at the "cut" ends. I did it this way since I drove the truck on rd a bunch and wanted a setup I could get replacements at any parts store, the setup worked good for the 2 years I ran truck and everything came from rockauto for like $60 total.
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Old 11-08-2019, 03:53 PM   #35 (permalink)
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Been awhile, between a PCS move, new house and a new unit ive been a little too busy. Trucks been chugging along. Made 3 separate trips from Jackson and back 3 hours each way without any issues in the dead of summer and has been racking up some miles going to work and back everyday. Finally had time to throw in the new box and crossover today. I wish I wouldíve done it sooner
Surprisingly my frame had no cracks. Welded on a frame plate but donít have any pictures. Thing doesnít creek and body roll nearly as bad now.


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Old 11-09-2019, 05:34 PM   #36 (permalink)
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And as luck would have it, drive the truck yesterday and it was perfectly fine. Wake up to it running rough, a foaming radiator and what Iím assuming is a blown head gasket and the smell of burning syrup, or at least thatís what I told the wife. It was eating a quart of oil every 1000 miles and had some bad blow by so Iím pretty sure it finally said its done. I probably could slap a head gaskets in it but im figuring a full rebuild is the way to go. Managed to get everything ripped apart and its ready to come out tomorrow.


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Old 11-09-2019, 06:27 PM   #37 (permalink)
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And as luck would have it, drive the truck yesterday and it was perfectly fine. Wake up to it running rough, a foaming radiator and what Iím assuming is a blown head gasket and the smell of burning syrup, or at least thatís what I told the wife. It was eating a quart of oil every 1000 miles and had some bad blow by so Iím pretty sure it finally said its done. I probably could slap a head gaskets in it but im figuring a full rebuild is the way to go. Managed to get everything ripped apart and its ready to come out tomorrow.


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Sounds like its LS swap time.
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Old 11-09-2019, 06:28 PM   #38 (permalink)
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Iím debating it, but Iím also a cheap ass that lives sbcís


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