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#1 |
Registered User
![]() Join Date: Aug 2001
Location: West Fork, Arkansas - Razorback Country
Posts: 1,826
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Big Block/Small Block Motor Mounts ???
Are they the same or are they different parts? I'm actually changing frames and need to know if I need to take the mounts too. I'm referring to the mount and support.
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Smooth68's Web Site WTB 64-66 project or frame/cab, SWB or LWB...I have the fever! Whatcha got?? '68 Short Step - Shaved Body, Soon Bagged - SOLD Driver-2004 GMC Z-71 Ext-cab |
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#2 |
Senior Member
![]() Join Date: Oct 2001
Location: Lancaster S.C.
Posts: 4,752
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sbc engine towers are different from bbc towers also 72 bbc towers are different from 67/71 towers,hope that helps!
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Things happen for a reason! |
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#3 |
former desert rat
Join Date: Feb 2003
Location: salt lake city, utah Home of the 3 M's Mormons, methlabs and minivans
Posts: 320
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Just courious, in what way are the 71 mounts different from the 72's ? Im asking because I just bought a set of 72 BBC mounts for my 67. Will they work?
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94 Chevy Silverado Ext cab 4/6 drop w/ 18's and 2500watt system (work truck). 67 Chevy swb under const. frame off custom, 20's, bagged and a large rat under the hood,and a 1940 Chevy truck under const. |
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#4 |
Registered User
Join Date: Dec 2001
Location: NW Iowa
Posts: 952
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I went thru this and for me it was a *****. My project is a '67. I got BB towers from Wes (a vendor on the board, but you can get them from your local GM dealer for probably less than the vendors) and the mounts were damn near $200 (thats the cushions that bolt to the block) I did get them from my GM dealer. and I have heard they have gone up more lately. This board was not terribly helpful on this particular aspect. Try to talk to guys who have actually done this if you know of any. The replies here are often vague and hear say. Sorry guys, who sometimes offer info, but that's the way it is. And if you get into the clamshell type mounts thats another whole issue. Good luck and maybe try other boards.
Last edited by hobby67stepside; 05-29-2003 at 12:06 AM. |
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#5 |
PROJECT 7DEUCE
![]() Join Date: Dec 2002
Location: GRANTS PASS OR
Posts: 21,608
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Smooth I used sbc mount's and had to drill a new hole in the 72 crossmember.. THE MAIFOLD'S seem to fit fine but I have not had headder's on it yet...
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GO BIG GREEN ![]() MEMBER #6377 72 k-5 daily driver 6'' lift 35'' 350-350-205 slowly getting rust free. Project "7DEUCE" check out my build http://67-72chevytrucks.com/vboard/s...d.php?t=267665 Tim Powell..R.I.P EastSideLowlife..... R.I.P.. |
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#6 |
Project Junkie! Fishing Poor!!
![]() Join Date: Dec 1999
Location: Olympia,Wa. 98512
Posts: 10,770
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The 72 style Big Block Towers are not available from GM any more and haven't been for years. The 68-71 are readily available though. They are I believe $86.00 per side from GM, last time I checked, with the 3 piece motor mounts at about $127.00 per side. The 72 style motor mounts (clam shell) are one heck of a lot easier to use and are heck of a lot stronger, with the single piece motor mount it uses available at any parts store for about $12.00. So they make economic sence also. I have installed Big Blocks in 67 trucks with the 72 towers and once I made the alterations needed to the chasses, the engine went in like it was born there. I have also mounted Big Blocks on to the 68-71 towers and cussed them the whole way... That was almost as bad as installing a Big Block into my 4x4 Blazer. WES www.ClassicHeartbeat.com
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On-line catolog Classic Heartbeat Pickup Parts WEHEPP@comcast.net Call us Toll Free (888) 338-2502 Like Us on Facebook No appointment necessary. 72 BB Chevy Custom Deluxe / Custom Camper 67 I-6 (Soon to be 5.7 LS1) Panel 68 BB Chevy Short Bed 72 6.0 LQ9 Short Bed Chevy 4X4 Olympia's fastest growing truck parts supplier. Olympia's home for Wayward Chevys |
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#7 |
CCRider
Join Date: Feb 2000
Location: Olive Branch,MS,USA
Posts: 2,232
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If I was installing a big block I would take a serious look at 73 up towers and mounts. They are similar in design to 72 mounts but are a dime a dozen at the bone yard. Couldn't be too hard to adapt.
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72 GMC Sierra SWB almost finished---- 84 Softail Olive Branch MS |
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#8 |
Almost Satisfied
![]() Join Date: Mar 2002
Location: Springfield, MO
Posts: 2,932
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I posted this
same pic on a post a couple days ago asking similiar questions. Here are the 72 stands and mounts sitting in a 71 frame. A hole will need to be drilled in the crossmember, but that is all.
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1971 C10 Stepside. LSx 6.0 with BTR Stage IV, Speed Engineering Headers, 4L80e transmission w/3200 Circle-D Stall. 3.73. Posi. Purchased this truck when I was 17. I started the rebuild (or take apart) in 1993. I have drug it around all over the country in pieces. Finally back on the road in 2021. "I can't complain, but sometimes I still do. Life's been good to me so far." |
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#9 |
Almost Satisfied
![]() Join Date: Mar 2002
Location: Springfield, MO
Posts: 2,932
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You better hurry...this is as cheap as they come...
http://67-72chevytrucks.com/vboard/s...threadid=54561
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1971 C10 Stepside. LSx 6.0 with BTR Stage IV, Speed Engineering Headers, 4L80e transmission w/3200 Circle-D Stall. 3.73. Posi. Purchased this truck when I was 17. I started the rebuild (or take apart) in 1993. I have drug it around all over the country in pieces. Finally back on the road in 2021. "I can't complain, but sometimes I still do. Life's been good to me so far." |
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#10 |
Registered User
![]() Join Date: Aug 2001
Location: West Fork, Arkansas - Razorback Country
Posts: 1,826
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Thanks guys - I think I'll just play it safe and keep my old ones
1971Stepside - mine look very similar to yours
__________________
Smooth68's Web Site WTB 64-66 project or frame/cab, SWB or LWB...I have the fever! Whatcha got?? '68 Short Step - Shaved Body, Soon Bagged - SOLD Driver-2004 GMC Z-71 Ext-cab |
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#11 |
PROJECT 7DEUCE
![]() Join Date: Dec 2002
Location: GRANTS PASS OR
Posts: 21,608
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71 STEPSIDE that frame is beautiful can't wait to see that truck done.
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GO BIG GREEN ![]() MEMBER #6377 72 k-5 daily driver 6'' lift 35'' 350-350-205 slowly getting rust free. Project "7DEUCE" check out my build http://67-72chevytrucks.com/vboard/s...d.php?t=267665 Tim Powell..R.I.P EastSideLowlife..... R.I.P.. |
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