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04-30-2008, 12:34 AM
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#1 |
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Got big-block?
 
Join Date: Jul 2000
Location: Austin, Texas
Posts: 2,453
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solved the big block into a 67-72 4x4 clearance issue!
LOL!
I bought this '72 GMC a couple of months ago...take a look at what the PO did to get clearance for the 454 swap! See anything missing? SC
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'68 CST SWB factory 396/T400 buddy buckets, a/c, ps, pb '72 Corvette convertible 454/4spd/ac, ps, pb '73 GMC Sierra Grande short wide 454/T400 ps, pb, ac '77 K5 Blazer black on red, 350/T350/NP205 ps, pb, ac all original '78 GMC Sierra Classic short wide 454/T400 ps, pb, ac '72 GMC Sprint SP454. 1 of 38 built. '73 GMC Sprint SP454. 1 of 71 built. '75 GMC Sprint SP454. 1 of 25 built. SOLD! '72 GMC K25 4x4 468/4L80e/NP205 build thread http://67-72chevytrucks.com/vboard/s...23#post4324423 SOLD!'55 Chevy gasser 496/4spd build thread http://67-72chevytrucks.com/vboard/s...96#post4324396 |
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04-30-2008, 01:40 AM
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#2 |
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Senior Member
Join Date: Apr 2000
Location: madison indiana
Posts: 3,836
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Re: solved the big block into a 67-72 4x4 clearance issue!
about half the front crossmember..lol
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jamie72 72 BB cheyenne -- Restoration getting started.. member #807 http://www.myspace.com/whitetailobsession www.antlertalk.com |
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04-30-2008, 02:00 AM
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#3 |
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They call me the Breeze...
Join Date: Jul 2007
Location: New York
Posts: 2,251
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Re: solved the big block into a 67-72 4x4 clearance issue!
WOW!! Solved that problem, didnt it!!! LOL!!
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Mike 69 K20 "Beer is proof God loves us and wants us to be happy"....Ben Franklin |
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04-30-2008, 02:25 AM
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#4 |
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Got big-block?
Join Date: Jul 2000
Location: Austin, Texas
Posts: 2,453
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Re: solved the big block into a 67-72 4x4 clearance issue!
Yeah, lol, I was shocked when I looked up under there. I think I'm going to put in one of those custom crossmembers from DIY4x4.
SC
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'68 CST SWB factory 396/T400 buddy buckets, a/c, ps, pb '72 Corvette convertible 454/4spd/ac, ps, pb '73 GMC Sierra Grande short wide 454/T400 ps, pb, ac '77 K5 Blazer black on red, 350/T350/NP205 ps, pb, ac all original '78 GMC Sierra Classic short wide 454/T400 ps, pb, ac '72 GMC Sprint SP454. 1 of 38 built. '73 GMC Sprint SP454. 1 of 71 built. '75 GMC Sprint SP454. 1 of 25 built. SOLD! '72 GMC K25 4x4 468/4L80e/NP205 build thread http://67-72chevytrucks.com/vboard/s...23#post4324423 SOLD!'55 Chevy gasser 496/4spd build thread http://67-72chevytrucks.com/vboard/s...96#post4324396 |
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04-30-2008, 02:34 AM
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#5 |
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Account Suspended
Join Date: Feb 2004
Posts: 3,051
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Re: solved the big block into a 67-72 4x4 clearance issue!
Heh, tell Kert I sent you. I love mine.
Had to service the oil pan, was very sweet to do. |
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04-30-2008, 09:02 AM
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#6 |
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Future TOTM Winner
Join Date: Aug 2006
Location: Bulverde, TX
Posts: 2,692
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Re: solved the big block into a 67-72 4x4 clearance issue!
Wow! Somebody was asking for their frame to collapse!
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72 Chevy CST K5 HIGHLANDER BLAZER Getting a 6.0,NV4500,NP205,14BFF (Currently laying all over the place in little pieces) 72 Chevy swb step-side "LS" 6.0 Here's a build thread of sorts 2002 HD2500 Crew Cab, 8.1L Allison 4x4 Daily Driver Check it out www.lsdyno.com |
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04-30-2008, 10:14 AM
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#7 |
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KEEP ON TRUCKIN'
Join Date: Jun 2005
Location: Sterling, Va.
Posts: 5,730
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Re: solved the big block into a 67-72 4x4 clearance issue!
Somebody had a massive brain fart when they did that.
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JIM '97 GMC Sierra K1500 '95 Chevy Silverado C1500 '71 Cheyenne Z71 / LT1 & 4-Speed SWB K/10  Father/Son Projecthttp://www.youtube.com/watch?v=4l689JKXPnA http://67-72chevytrucks.com/vboard/payments.php "LIVIN' FREE FOREVER" 
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04-30-2008, 01:40 PM
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#8 |
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Registered User
Join Date: Dec 1999
Location: Old Mission, MI, USA
Posts: 2,507
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Re: solved the big block into a 67-72 4x4 clearance issue!
ignore this
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Tim Last edited by Blazer1970; 04-30-2008 at 01:41 PM. Reason: stupidity |
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04-30-2008, 05:51 PM
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#9 |
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Registered User
Join Date: Feb 2000
Location: Modesto, CA
Posts: 1,842
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Re: solved the big block into a 67-72 4x4 clearance issue!
hahahaa
I bet the whole front of that truck does this  when you rap on the engine 
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1972 K5 MPFI454/Sm465/Np205/D60/14FFd/Re-Centerd H1s w/Swamper Iroks 
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04-30-2008, 06:14 PM
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#10 | |
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Bloo
Join Date: Feb 2001
Location: Barren County Kentucky
Posts: 6,283
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Re: solved the big block into a 67-72 4x4 clearance issue!
on the risk of being stupid, would that really be that bad of an idea if a square tubing brace was made to wrap under and welded/bolted on each side, to reinforce it?
like this:
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ASE Master Certified-GM Trained-Mechanic 1968 Chevy C30 157" WB Wrecker 1969 Chevy CST/10 SWB 1971 Chevy Custom/10 (first truck) 350, NV3500 5 speed 1971 Chevy K20 Custom Camper 4x4 350 TBI, SM465/NP205 1974 Chevy Custom Deluxe/10 1979 Chevy Custom Deluxe K10 farm truck beater 1989 Chevy K2500 Quote:
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04-30-2008, 06:41 PM
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#11 |
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Registered User
Join Date: Feb 2000
Location: Modesto, CA
Posts: 1,842
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Re: solved the big block into a 67-72 4x4 clearance issue!
You could do that and would work too
Grade 8 and some good welds. Make it removable for easy pan removal too 
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1972 K5 MPFI454/Sm465/Np205/D60/14FFd/Re-Centerd H1s w/Swamper Iroks
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04-30-2008, 07:11 PM
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#12 | |
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Bloo
Join Date: Feb 2001
Location: Barren County Kentucky
Posts: 6,283
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Re: solved the big block into a 67-72 4x4 clearance issue!
thats what i was thinking
i know id like mine to be removable to get the pan off... stupid oil pan gasket is leaking with only 1200 miles on the engine
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ASE Master Certified-GM Trained-Mechanic 1968 Chevy C30 157" WB Wrecker 1969 Chevy CST/10 SWB 1971 Chevy Custom/10 (first truck) 350, NV3500 5 speed 1971 Chevy K20 Custom Camper 4x4 350 TBI, SM465/NP205 1974 Chevy Custom Deluxe/10 1979 Chevy Custom Deluxe K10 farm truck beater 1989 Chevy K2500 Quote:
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04-30-2008, 07:25 PM
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#13 |
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Post Whore
Join Date: Feb 2000
Location: Rose Hill, KS, USA
Posts: 12,686
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Re: solved the big block into a 67-72 4x4 clearance issue!
I've got my 69's crossmember out at the present time to have it modified to give me the needed oil pan clearance. I'm going to cut it at that same level and have material welded in to allow the bottom portion to be dropped about 1". I hadn't considered doing it like pictured above with bolts securing tubing but that sure could be a good way to do it too. I'm not sure having that area removable would actually allow you to drop and remove the oil pan. Maybe if you could tilt the oil pan enough it would come out, but the crossmember is awfully close to the side of the oil pan at that location and of course the oil pan is quite a bit wider up top where it bolts to the engine.
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1970 Blazer with a 400 sbc and 4" lift 1980 Pontiac Trans Am, 455 Oldsmobile 2012 Kawasaki Concours 14 |
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05-02-2008, 02:47 PM
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#14 |
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Registered User
Join Date: Oct 2003
Location: Central Vermont
Posts: 8,537
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Re: solved the big block into a 67-72 4x4 clearance issue!
Bought a 4x4 with a 396 in it once and the x-member was cut like that 'cept they took it to the next level.
Used some 1" square stock tubing as a spacer and welded it all back together. Better than nothing for sure but still pretty scary. Last edited by vtblazer; 05-02-2008 at 02:51 PM. |
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05-03-2008, 04:03 PM
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#15 |
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Registered User
Join Date: Sep 2004
Location: Elizabeth, Colorado
Posts: 20
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Re: solved the big block into a 67-72 4x4 clearance issue!
I had to modify the DIY4X crossmember a bunch to make it fit the BB truck pan.
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big blocks=life |
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