?'s for you guys - The 1947 - Present Chevrolet & GMC Truck Message Board Network

oldno7 · 07-01-2009, 12:59 PM

OK so what are you guys doing as far as rearend's go. For example To my knowledge they do not have c-clip eliminators for are truck 12 bolts, and some of you seems to have some power going to the ground. Also I am curious about setting the pinion angle so any help their would be nice. I would like to run 10" street lite's with 325/50r15 any one have these or similar setup thank all oldno7

**tnblazerk5** · 07-01-2009, 02:33 PM

http://www.summitracing.com/search/B.../?autoview=SKU

71chevytruckguy · 07-01-2009, 08:16 PM

im running a 67-69 rearend housin, with the tubes welded to the hogg's head, moser 33 spline spool, moser 33 spline 5 lug axles, moser c-clip elimnators, and a mark williams billet bearing cap. rims are 15"x10" with 4" backspacing with a 28"x10.5" slicks. chris

69trk · 07-02-2009, 08:21 PM

I have the same rearend with a full spool and a moser billet yoke.

mongoose · 07-02-2009, 09:06 PM

i'll be using the stock 12 bolt.. with the 3.08's.. welded up good and proper...

doubt it would last a good launch... but the saggy wouldn't either.

how much power are you planing on putting out?

oldno7 · 07-03-2009, 12:37 PM

My plans are to run the zz572. The prob is that I have this prob of going in reverse so to speak. I've always build my projects from the rear up. So This is just getting going after a few years of decisions. My plans call for a dana 60 35 spline-posi with a 4.56 gear on bil spe draglites 15-10 and 325/50/15's ET street radials 28" tall. That's why I asked about the pinion angle. I don't think it has the brackets so I will be setting up the rear myself. If anyone has this tire rim combo I'd like to see it

Ont67shortbox · 07-12-2009, 08:25 PM

DTS makes housings for our trucks with the brackets on.They did the rear for Project Copperhead.

scatesracing · 07-12-2009, 11:29 PM

I built a nine inch.......

Super73 · 07-13-2009, 12:51 AM

I had a factory 12 bolt with a Eaton posi in mine last time at the track. There were Zero mods to it so I thought. When it was redone with the 4.56's we found aftermarket axles in it (not sure who makes them). But the shop had a truck 12 bolt there that we used some C-clip E's off and Moser axles. Same Eaton but a set of 4.56's went in it.

RatPwrd72 · 07-13-2009, 05:38 AM

I'm running a narrowed car twelve bolt from a 69 camaro with welded tubes, Mark Williams spool and 33 spline axles with Richmond Pro gears.

djracer · 07-18-2009, 11:37 PM

9 inch for me!

BigDan3131 · 07-21-2009, 01:10 AM

The truck 12 bolt isn't the same internally as the car version as I was told by a chassis guy I know. If I were going to be racing my ride full time I would go 9 inch. Only because you can change out the third member quickly at race time. I will be going Dana 60 as well since I believe in overkill

mongoose · 07-21-2009, 03:01 AM

no its not.. truck 12bolts have a smaller pinion shaft dia.

07-01-2009, 12:59 PM	#1
oldno7 Registered User Join Date: Jan 2007 Location: Ill. Posts: 584	?'s for you guys OK so what are you guys doing as far as rearend's go. For example To my knowledge they do not have c-clip eliminators for are truck 12 bolts, and some of you seems to have some power going to the ground. Also I am curious about setting the pinion angle so any help their would be nice. I would like to run 10" street lite's with 325/50r15 any one have these or similar setup thank all oldno7 __________________ Hi everyone, It's nice to know there's other people just as crazy about these old trucks as I am. oldno7

07-01-2009, 02:33 PM	#2
tnblazerk5 User #12137 Join Date: Apr 2004 Location: kingsport,upper east tenn Posts: 11,598	Re: ?'s for you guys http://www.summitracing.com/search/B.../?autoview=SKU Last edited by tnblazerk5; 07-01-2009 at 02:36 PM. Reason: put wrong link frist time lol

07-01-2009, 08:16 PM	#3
71chevytruckguy Registered User Join Date: Jul 2005 Location: Kernersville, NC Posts: 599	Re: ?'s for you guys im running a 67-69 rearend housin, with the tubes welded to the hogg's head, moser 33 spline spool, moser 33 spline 5 lug axles, moser c-clip elimnators, and a mark williams billet bearing cap. rims are 15"x10" with 4" backspacing with a 28"x10.5" slicks. chris __________________ its a work in progess. 71 c-10 lwb, in the middle of frame off restoration. 69 c-10 swb, drag truck, 406 sbc, balanced, comp 292 cam, ported, polished, gasket matched, and bowl blended pro comp 210cc heads, 2.02/1.60 ferrea valves,1.6 roller rockers, re curved hei with msd 6al box, 2-step rev limter, accel 300+ wires, ported victor jr intake, holley 750 double pumper carb, dynomax 1 5/8 headers, 4 spd munci m-20 with super case and iron midplate, mr. gasket vertigate shifter, 5.38 pro gears with full spool, 33 spline moser axles and c-clip elimators, line-loc, 5 gal fuel cell, holley blue pump. 7.807 @ 88.37mph 1.60 60FT 80 g-20 van, tow rig, cammed 305, th350, 10 bolt 88 jeep wrangler, dd, 258, ax-15 swap, 4.5" lift, 33x12.50's, lockers, 3.55's Last edited by 71chevytruckguy; 07-01-2009 at 08:19 PM.

07-02-2009, 08:21 PM	#4
69trk Registered User Join Date: Oct 2006 Location: bridgecreek ok. Posts: 1,214	Re: ?'s for you guys I have the same rearend with a full spool and a moser billet yoke. __________________ http://67-72chevytrucks.com/vboard/s...d.php?t=494388 431 big block times, changed to a 6.0 ls with turbo 1.58- 60' 7.18- 1/8th mile@95.18 11.37- 1/4 @115.81

07-02-2009, 09:06 PM	#5
mongoose Registered User Join Date: Feb 2009 Location: slurrey, bc. Posts: 1,134	Re: ?'s for you guys i'll be using the stock 12 bolt.. with the 3.08's.. welded up good and proper... doubt it would last a good launch... but the saggy wouldn't either. how much power are you planing on putting out? __________________ -'73 c/10 - Low with Go - will be complete... probably never. -'90 2wd Blazer - well... soon enough anyways. -'84 SWB - the daily gas guzzler.

07-03-2009, 12:37 PM	#6
oldno7 Registered User Join Date: Jan 2007 Location: Ill. Posts: 584	Re: ?'s for you guys My plans are to run the zz572. The prob is that I have this prob of going in reverse so to speak. I've always build my projects from the rear up. So This is just getting going after a few years of decisions. My plans call for a dana 60 35 spline-posi with a 4.56 gear on bil spe draglites 15-10 and 325/50/15's ET street radials 28" tall. That's why I asked about the pinion angle. I don't think it has the brackets so I will be setting up the rear myself. If anyone has this tire rim combo I'd like to see it __________________ Hi everyone, It's nice to know there's other people just as crazy about these old trucks as I am. oldno7

07-12-2009, 08:25 PM	#7
Ont67shortbox Registered User Join Date: May 2003 Location: Ontario Posts: 279	Re: ?'s for you guys DTS makes housings for our trucks with the brackets on.They did the rear for Project Copperhead.

07-12-2009, 11:29 PM	#8
scatesracing Machinist Join Date: Sep 2007 Location: Derby Kansas Posts: 296	Re: ?'s for you guys I built a nine inch.......

07-13-2009, 12:51 AM	#9
Super73 Registered User Join Date: Nov 2007 Location: Bay Area, Ca Posts: 2,841	Re: ?'s for you guys I had a factory 12 bolt with a Eaton posi in mine last time at the track. There were Zero mods to it so I thought. When it was redone with the 4.56's we found aftermarket axles in it (not sure who makes them). But the shop had a truck 12 bolt there that we used some C-clip E's off and Moser axles. Same Eaton but a set of 4.56's went in it. __________________ ------Motor---------------Bottle 60'---1.53---------------1.41 1/8---6.58 @ 105.92----5.87 @ 118.41 1/4---10.38 @ 126.97----9.24 @ 142.49

07-13-2009, 05:38 AM	#10
RatPwrd72 Registered User Join Date: Jan 2005 Location: Maysville, OK Posts: 227	Re: ?'s for you guys I'm running a narrowed car twelve bolt from a 69 camaro with welded tubes, Mark Williams spool and 33 spline axles with Richmond Pro gears. __________________ 1972 Chevy Cheyenne Super- Pump gas 496,TH-400, TCI Stall, 3.73's,Ochre & White two-tone w/Olive Interior 1967 Chevy Short Step Drag Truck-Iron Headed 468 Making Memories My momma took me off the bottle years ago.....

07-18-2009, 11:37 PM	#11
djracer Registered User Join Date: Feb 2001 Location: Wetumpka, Al, U.S. Posts: 8,892	Re: ?'s for you guys 9 inch for me! __________________ Kevin Special Thanks to All who have helped on the TRUCK! My Pass Time Show http://s129.photobucket.com/albums/p...Chapter1-0.mp4 So Far my best Times are: Motor only: 6.44 1/8 @ 104.13 10.39 1/4 @ 125.83 Nitrous Times: 5.785 1/8 @ 118.65 with a 1.336 60ft 9.168 1/4 @ 142.58 with a 250 shot dead out of the hole!

07-21-2009, 01:10 AM	#12
BigDan3131 Registered User Join Date: Jun 2006 Location: Maple Valley, WA Posts: 1,913	Re: ?'s for you guys The truck 12 bolt isn't the same internally as the car version as I was told by a chassis guy I know. If I were going to be racing my ride full time I would go 9 inch. Only because you can change out the third member quickly at race time. I will be going Dana 60 as well since I believe in overkill

07-21-2009, 03:01 AM	#13
mongoose Registered User Join Date: Feb 2009 Location: slurrey, bc. Posts: 1,134	Re: ?'s for you guys no its not.. truck 12bolts have a smaller pinion shaft dia. __________________ -'73 c/10 - Low with Go - will be complete... probably never. -'90 2wd Blazer - well... soon enough anyways. -'84 SWB - the daily gas guzzler.



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