V8 Radiator Shrouds: Differences - Dimensions - The 1947 - Present Chevrolet & GMC Truck Message Board Network

weim55 · 01-29-2017, 11:30 AM

For small block V8 trucks I notice there are more than a couple factory shrouds. What are the depths and applications? For reference I have a '71 GMC with a factory 350, 4 speed and no AC. The engine is forward of automatic trucks I've had in the past (??). Looking for a shroud deeper than this. Does it exist?

Thanks,

Steve weim55 Colorado

**Boog** · 01-29-2017, 12:01 PM

The page straight out of the LMC catalog.

B. W. · 01-29-2017, 01:22 PM

the factory 2wd a/c shroud is about 5" deep, the 2wd non a/c shroud is about 6" deep, the 4x4 shroud is about 9"deep. I say "about" because the shrouds are tapered - they measure deeper at the top, more shallow at the bottom. The 4x4 engine is set back compared to the 2wd.

weim55 · 01-29-2017, 09:33 PM

I have a feeling something isn't being shown here. Going by memory, a rusty memory: The '71 I had years ago was a factory virgin everything 350 - 350 Turbohydro no AC C10 2WD, the distributor was right next to the firewall, an HEI wouldn't even fit it was so close. My current '71 350 4 speed no AC C10 2WD is good 4 to 6 inches from the firewall. Wondering if someone might have a measurement of the shroud depth of an automatic truck like my first '71?
I need as deep of a shroud as I can get.

Steve weim55 Colorado

**too much stuff** · 01-29-2017, 11:14 PM

weim, I think your first truck sounds like the 6 cyl position was used. A factory v-8 uses the forward most holes unless a 4x4 I believe.

weim55 · 01-29-2017, 11:21 PM

Any reason a 4WD shroud wouldn't work on a 2WD truck?

Steve weim55 Colorado

Andy4639 · 01-30-2017, 07:16 AM

I wished I seen this earlier. I just installed a NOS shroud in my Ramp Rat truck Saturday morning. I could have gotten the measurements for you.
350/4 speed no AC.

The only difference I have ever seen where for the 4x4 trucks and 2 wheel drive.

hamjet · 01-30-2017, 10:35 AM

Quote:

Originally Posted by weim55

Any reason a 4WD shroud wouldn't work on a 2WD truck?

Steve weim55 Colorado

It will work IF the sbc engine is mounted in the 6 cyl. or rear motor mount perches. I had a sbc mounted where the 6 cyl. I took out, used a 4 wd shroud and it worked fine.

72bowtiestepper · 01-30-2017, 03:14 PM

Quote:

Originally Posted by hamjet

It will work IF the sbc engine is mounted in the 6 cyl. or rear motor mount perches. I had a sbc mounted where the 6 cyl. I took out, used a 4 wd shroud and it worked fine.

X2 That's how mine is set up also....and a HEI distributor fits with no problem.

weim55 · 01-30-2017, 09:27 PM

thanks for the info guys!

Steve weim55 Colorado

01-29-2017, 11:30 AM	#1
weim55 Registered User Join Date: Jan 2017 Location: Larkspur, Colorado Posts: 916	V8 Radiator Shrouds: Differences - Dimensions For small block V8 trucks I notice there are more than a couple factory shrouds. What are the depths and applications? For reference I have a '71 GMC with a factory 350, 4 speed and no AC. The engine is forward of automatic trucks I've had in the past (??). Looking for a shroud deeper than this. Does it exist? Thanks, Steve weim55 Colorado

01-29-2017, 12:01 PM	#2
Boog laying low Join Date: Mar 2001 Location: Searcy, Ark. USA Posts: 13,441	Re: V8 Radiator Shrouds: Differences - Dimensions The page straight out of the LMC catalog. Attached Images __________________ Boog 69 Chevy stepside, 358/T350, 4.11 posi, 4.5/4 drop, rallys, poboy driver primer is finer 91 Chevy sportside, Tahoe, Yukon & GMC Crewcab All GM..'nuff said. I stand for the flag and kneel at the cross

01-29-2017, 01:22 PM	#3
B. W. Registered User Join Date: Nov 2014 Location: Bigfork, Montana Posts: 1,137	Re: V8 Radiator Shrouds: Differences - Dimensions the factory 2wd a/c shroud is about 5" deep, the 2wd non a/c shroud is about 6" deep, the 4x4 shroud is about 9"deep. I say "about" because the shrouds are tapered - they measure deeper at the top, more shallow at the bottom. The 4x4 engine is set back compared to the 2wd.

01-29-2017, 09:33 PM	#4
weim55 Registered User Join Date: Jan 2017 Location: Larkspur, Colorado Posts: 916	Re: V8 Radiator Shrouds: Differences - Dimensions I have a feeling something isn't being shown here. Going by memory, a rusty memory: The '71 I had years ago was a factory virgin everything 350 - 350 Turbohydro no AC C10 2WD, the distributor was right next to the firewall, an HEI wouldn't even fit it was so close. My current '71 350 4 speed no AC C10 2WD is good 4 to 6 inches from the firewall. Wondering if someone might have a measurement of the shroud depth of an automatic truck like my first '71? I need as deep of a shroud as I can get. Steve weim55 Colorado

01-29-2017, 11:14 PM	#5
too much stuff Roadtrip! Join Date: Feb 2003 Location: Grand Rapids MN Posts: 13,765	Re: V8 Radiator Shrouds: Differences - Dimensions weim, I think your first truck sounds like the 6 cyl position was used. A factory v-8 uses the forward most holes unless a 4x4 I believe. __________________ 67 gmc custom lwb dakota truck. Sold...And bought back 69 swb 4x4 project (in progress) 70 c-10 lwb texas truck 70 4x4/BB/bkts/posi/tach(retired) 70 swb (wifes) 70 jimmy camper 71 K-5 factory 2wd 71 cheyenne 4x4/tach/posi/ plow rig 71 Cheyenne20 BB, buckets, tach, tilt, 4 speed 72 jimmy CST wyoming rig 72 jimmy Colorado rig 72 lifted texas 4x4 3/4 ton burb 65 fury conv. 383/auto 65 chrysler 300 "L" 413 auto

01-29-2017, 11:21 PM	#6
weim55 Registered User Join Date: Jan 2017 Location: Larkspur, Colorado Posts: 916	Re: V8 Radiator Shrouds: Differences - Dimensions Any reason a 4WD shroud wouldn't work on a 2WD truck? Steve weim55 Colorado

01-30-2017, 07:16 AM	#7
Andy4639 Old member Join Date: Jan 2002 Location: Liberty, & Garden City S.C. , U.S. Posts: 19,945	Re: V8 Radiator Shrouds: Differences - Dimensions I wished I seen this earlier. I just installed a NOS shroud in my Ramp Rat truck Saturday morning. I could have gotten the measurements for you. 350/4 speed no AC. The only difference I have ever seen where for the 4x4 trucks and 2 wheel drive. __________________ 1971 LWB Custom, 6.0LS & 4L80E, Speedhut.com GPS speedometer & gauges with A/C. 20" Boss 338's Grey wheels 4 wheel disc brakes. My Driver Seeing the USA in a 71 Upstate SC GM Truck Club 2013,14 and 2016 Hot Rod Pour Tour http://upstategmtrucks.com/ Get out and drive the truck this summer and have some fun! It sucks not being able to hear! LWB trucks rule, if you don't think so measure your SWB! After talking to tech support at Air Lift I have found out that the kit I need is 60811. Per the measurements I gave them. Ride height of truck inside spring and inside diameter of springs.

01-30-2017, 09:27 PM	#10
weim55 Registered User Join Date: Jan 2017 Location: Larkspur, Colorado Posts: 916	Re: V8 Radiator Shrouds: Differences - Dimensions thanks for the info guys! Steve weim55 Colorado

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