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Old 06-24-2019, 09:26 PM   #1
clay68c10
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Speed engineering longtubes with LS mounts

I didn't see where anyone has done these headers with the factory (donor) truck motor mounts.

I like how LS1Nova does his mounting without any adapter plates but wanted to run full length headers.

This is just sitting on the engine stand so I haven't welded up the rest of my high-tech home crafted mount receptacle to bolt to the crossmember. I don't have the donor frame to cut the formed portion of frame and use it instead so it's fabrication time.

That shouldn't matter on the mount/header side.

Here's the easy side first. All that is needed is some bending of the heat shield. Plenty of clearance.
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93 K1500 Short Step, 350, NV4500, EBL flash ECU. Vortec heads & roller cam someday...
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02 E320 the insurance total “free car”
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Last edited by clay68c10; 06-24-2019 at 09:38 PM.
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Old 06-24-2019, 09:30 PM   #2
clay68c10
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Re: Speed engineering longtubes with LS mounts

The drivers side requires more work (cutting), but not rocket science. Just some standard hot rodding.

There's room to keep some of the heat shield. I figure some is better than none.
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ClusterTruck: 68 C10 Bought in 89, wrecked in 03. Slow low $ rebuild started '17. 6.0 & TKO
http://67-72chevytrucks.com/vboard/s...d.php?t=788602
93 K1500 Short Step, 350, NV4500, EBL flash ECU. Vortec heads & roller cam someday...
05 Jeep Wrangler Unlimited. 3” lift & 6-speed
02 E320 the insurance total “free car”
13 Tahoe LTZ

Last edited by clay68c10; 06-24-2019 at 09:39 PM.
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Old 06-24-2019, 09:35 PM   #3
clay68c10
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Re: Speed engineering longtubes with LS mounts

It looks very tight in the pics, but there's 1/4" of clearance without the heat shield. The cut shield sits close, but it is workable.

Here’s a better shot
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ClusterTruck: 68 C10 Bought in 89, wrecked in 03. Slow low $ rebuild started '17. 6.0 & TKO
http://67-72chevytrucks.com/vboard/s...d.php?t=788602
93 K1500 Short Step, 350, NV4500, EBL flash ECU. Vortec heads & roller cam someday...
05 Jeep Wrangler Unlimited. 3” lift & 6-speed
02 E320 the insurance total “free car”
13 Tahoe LTZ

Last edited by clay68c10; 06-25-2019 at 12:06 PM.
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