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Old 03-14-2010, 07:00 PM   #1
Nick's81
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Welded rear

how about some feed back on welding my carrier for track use, have done it several times on my rock crawlers WITH good success, just cant aford a possy yet (wife & kids) just kicking it around. oh 64 with stock 12bolt 3.73 gears, 300hp 327 th350 26.5 x 8 hossiers treaded
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Old 03-14-2010, 07:24 PM   #2
tomtuna1978
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Re: Welded rear

why ??? is this truck just used for the strip ? if not ... id say no ! you dont have enuff power to warrent it ! and there will be more problems than its worth !
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Old 03-14-2010, 08:36 PM   #3
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Re: Welded rear

Are you only gonna race it? If so go for it.
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Old 03-14-2010, 09:25 PM   #4
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Re: Welded rear

im with dj... race only? GO FOR IT. just remember if if it breaks something it will most likely break more then it originally would so it may cost you in the long run. but for a budget racer i say DO IT.
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Old 03-15-2010, 12:27 AM   #5
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Re: Welded rear

as for breakage its the original 12bolt small axle gives me a excuse to tell wife i need to find a 9in. ? how strong are the stock axles 27 -30 spline? had same engine in my toyota with a 700r4 and welder toy axles yess i know toy axles are stronger than my 12 bolt and i did drive my toy every day so i am aware if the quirks
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Old 03-15-2010, 02:02 PM   #6
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Re: Welded rear

NHRA has a rule against it, (for good reason) and if your caught don't be surprised if your black ball'd from the track. Tech really hates when you slip something by them unseen. First line of General Reg 2:11

WELDED SPIDER GEAR REAR ENDS PROHIBITED IN ALL CLASSES
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Old 03-15-2010, 03:56 PM   #7
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Re: Welded rear

Yes welded spiders will work. I understand the budget thing but when you weld those spiders you turn the rear into a bomb. Its not a question of if it will break its just when. Btw a 12 bolt will hold up to most of what you can throw at it.
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Old 03-15-2010, 07:07 PM   #8
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Re: Welded rear

I tried it once and grenaded the rearend first time out, wont be doin that again. Broke my posi unit one weekend and was in hurry to get back to track and just threw in an old carrier I had laying around so I couold get back on the track the following weekend. In hind sight, I shoulda just waited for my new unit to arrive.
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Old 03-15-2010, 07:21 PM   #9
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Re: Welded rear

I say DON'T WELD them. They will break and you'll go down the track on 3 wheels. If anything, buY a mini-spool. Chris.
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Old 03-15-2010, 08:26 PM   #10
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Re: Welded rear

My advise is not to because the rear wheels feel like they want to hop, and feel unstable. And if they don't allow it why risk it.
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Old 03-15-2010, 08:37 PM   #11
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Re: Welded rear

If you weld it keep the wife and kids out of it for sure.
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Old 03-16-2010, 12:40 AM   #12
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Re: Welded rear

Go for it!
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Old 03-16-2010, 07:47 AM   #13
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Re: Welded rear

Quote:
Originally Posted by 85_prairieboy View Post
This is not even gonna pull off. If you do weld it you weld the spider gears not the ring and pinion.


I'll check on a mini spool and see if I can get it less than JEG'S. THEY ARE 132.99
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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!
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Old 03-16-2010, 08:15 AM   #14
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Re: Welded rear



Quote:
Originally Posted by djracer View Post
This is not even gonna pull off. If you do weld it you weld the spider gears not the ring and pinion.


I'll check on a mini spool and see if I can get it less than JEG'S. THEY ARE 132.99
Thats funny??? How do you put that welded ring and pinion in??

Kev if you find a deal on the mini let me know too...I'm going to have a traction problem and your going to need a wider rear bumper so I can draft at the track....
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Old 03-16-2010, 08:17 AM   #15
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Re: Welded rear

Quote:
Originally Posted by djracer View Post
This is not even gonna pull off. If you do weld it you weld the spider gears not the ring and pinion.


I'll check on a mini spool and see if I can get it less than JEG'S. THEY ARE 132.99
X2, that setup will never work. I got a mini spool for my 10 bolt in my little truck for $89.00 at the Hot Rod Barn down in town. I busted the transmission off the motor and twisted the driveshaft once coming off the light but have never broke the rearend.
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Old 04-19-2010, 09:06 AM   #16
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Re: Welded rear

Quote:
Originally Posted by 85_prairieboy View Post
Actaully, welding the pinion to the ring WILL work. After the great depression, we used to use rear ends as props on our planes when the original ones would break. The Japanese Kamikaze planes used this trick as well to keep the overall cost down of the planes that would not be coming back!!
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Old 04-22-2010, 09:51 PM   #17
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Re: Welded rear

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Originally Posted by prostreetc-10 View Post
actaully, welding the pinion to the ring will work. After the great depression, we used to use rear ends as props on our planes when the original ones would break. The japanese kamikaze planes used this trick as well to keep the overall cost down of the planes that would not be coming back!!

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Old 03-16-2010, 02:14 AM   #18
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Re: Welded rear

when it blows through a 9 inch in it with a mini spool thats the most COST EFFECTIVE means.
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Old 04-18-2010, 06:23 PM   #19
Nick's81
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Re: Welded rear

well went to the track fri. night my best 60ft 2.203 could not hook up kept spinning tire, then it would hook and spin left tire still thinking about welding the rear
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Old 04-18-2010, 07:46 PM   #20
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Re: Welded rear

Mini spool in 30 sline axles will hold up under moderate power for dd I drove my 65 for a year on the street and highway with now wear on the axles and It only cost me $80 off ebay.
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Old 04-18-2010, 11:29 PM   #21
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Re: Welded rear

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Originally Posted by shortbed70 View Post
Mini spool in 30 sline axles will hold up under moderate power for dd I drove my 65 for a year on the street and highway with now wear on the axles and It only cost me $80 off ebay.
did you need c-clip eliminaters i've found a 9in on cl ill be getting and mini spool from summit less than 50 but would like to play till i get it
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Old 04-18-2010, 11:46 PM   #22
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Re: Welded rear

Nope was alittle tricky but it will fit
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Old 04-19-2010, 01:21 AM   #23
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Re: Welded rear

I have ran welded up 8.5 10 bolt rears for years with out fail. Engines were 400 sbc and 355 sbc. All were turbo 350 trans with a shift kit. Cars were 78 and 81 camaro's and 79 nova. All were footbrake cars with B&M 3000 rpm and ACC 3500 rpm converters. I was a poor boy that wanted to play so that is the corner that I cut.
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Old 04-22-2010, 07:17 PM   #24
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Re: Welded rear

if you weld it dont weld the spider gears together
weld the gears that attach to the axle to the carrier it will be much stronger
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