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No pinion snubber and hard launches.... #384824
07/24/09 01:42 AM
07/24/09 01:42 AM
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Wichita,KS
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Blakcharger440 Offline OP
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I am wondering if I will have any leaf spring wrap up problems with my Dana 60 that does not have a pinion snubber. My car is a 70 Charger RT with factory springs. I probably will be making around 600 at the crank when all is done with the engine.

I am wondering if I will have any problems with launching on street tires or the drag radials that I plan to put on for track days.

I do have a set of Cal Tracs that I could put on and would that help any?

A friend who had a similar engine and a Dana 60 without pinion snubber in a 70 Charger and a built automatic and SS springs running mid elevens didnt seem to have a problem with it...will i have any more problems due to mine being a 4speed?

Re: No pinion snubber and hard launches.... [Re: Blakcharger440] #384825
07/24/09 01:51 AM
07/24/09 01:51 AM
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Bend,OR USA
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Cab_Burge Offline
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pinion snubbers are a crutch, not a cure. either buy a new set of 4000 lb 4 speed SS springs, Custom made Tri City Launcher springs or put the Cal Tracs on


Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
Re: No pinion snubber and hard launches.... [Re: Blakcharger440] #384826
07/24/09 08:08 AM
07/24/09 08:08 AM
Joined: Mar 2008
Posts: 5,746
Ontario, Canada
Dodgem Offline
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Put the cal tracs on! They really limit any spring winding and don't require a pinion snubber.
Maybe try 1 turn - preload for the street and then 1/2 to 1 pre load at the track takes minutes to change. Buy a couple of cheap 1 1/8 wrenches and shorten one or both and you don't even have to jack it up to make changes.

Post deleted by Defbob [Re: Cab_Burge] #384827
07/24/09 09:22 AM
07/24/09 09:22 AM

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Re: No pinion snubber and hard launches.... [Re: Blakcharger440] #384828
07/24/09 09:29 AM
07/24/09 09:29 AM
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Left Coast
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BobR Offline
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Quote:

I am wondering if I will have any leaf spring wrap up problems with my Dana 60 that does not have a pinion snubber. My car is a 70 Charger RT with factory springs. I probably will be making around 600 at the crank when all is done with the engine.

I am wondering if I will have any problems with launching on street tires or the drag radials that I plan to put on for track days.

I do have a set of Cal Tracs that I could put on and would that help any?

A friend who had a similar engine and a Dana 60 without pinion snubber in a 70 Charger and a built automatic and SS springs running mid elevens didnt seem to have a problem with it...will i have any more problems due to mine being a 4speed?




I tried a hard launch with my Challenger/416/Dana/HD springs and the diff yoke hit my floorpan. I had the correct pinion angle but the springs just wrapped up way too much. I got CalTracs.

Re: No pinion snubber and hard launches.... #384829
07/24/09 09:30 AM
07/24/09 09:30 AM
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s.w.fl
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bonefish Offline
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if your pinion snubber works ,you got problems.put the caltracs on it.however i have seen mixed results using caltracs and STOCK springs.

Re: No pinion snubber and hard launches.... [Re: bonefish] #384830
07/24/09 12:31 PM
07/24/09 12:31 PM
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A collage of whims
topside Offline
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The closest my pinion snubber gets to my car is to block the tires or hold the shop door open. Squeaky does not like the pinion snubber....

Re: No pinion snubber and hard launches.... [Re: topside] #384831
07/24/09 12:37 PM
07/24/09 12:37 PM
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Portage,michigan
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Portage,michigan
I have a 9.80's car with dana and leafs with no snubber, never hit the floorpan, have wrapup, or anything else...i wouldnt trade what i have for 10 cal track setups


69 Dart GTS A4 Silver All steel, flat factory hood, 3360race weight
418 BPE factory replacement headed stroker, 565 lift solid cam
Best so far, low 10.30’s 1/4
1.41 best 60 foot
6.56 at 104.17



Re: No pinion snubber and hard launches.... [Re: bonefish] #384832
07/24/09 12:39 PM
07/24/09 12:39 PM
Joined: Jan 2003
Posts: 2,402
Wichita,KS
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Blakcharger440 Offline OP
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Quote:

if your pinion snubber works ,you got problems.put the caltracs on it.however i have seen mixed results using caltracs and STOCK springs.




What springs would be good to run with the Caltracs that would be good for the track and would work fine on the street?

I dont like the rear end up in the air like you get with the SS springs and would they be too firm for the street?

Re: No pinion snubber and hard launches.... [Re: Blakcharger440] #384833
07/24/09 12:47 PM
07/24/09 12:47 PM
Joined: Jun 2003
Posts: 52,972
Romeo MI
MR_P_BODY Offline
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Romeo MI
Quote:

Quote:

if your pinion snubber works ,you got problems.put the caltracs on it.however i have seen mixed results using caltracs and STOCK springs.




What springs would be good to run with the Caltracs that would be good for the track and would work fine on the street?

I dont like the rear end up in the air like you get with the SS springs and would they be too firm for the street?




Talk to Caltrac's about their springs

Re: No pinion snubber and hard launches.... [Re: bonefish] #384834
07/24/09 12:55 PM
07/24/09 12:55 PM
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Posts: 4,436
SO CAL
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BB70DUSTER Offline
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Quote:

however i have seen mixed results using caltracs and STOCK springs.



Mine work great...

Re: No pinion snubber and hard launches.... [Re: BB70DUSTER] #384835
07/24/09 01:34 PM
07/24/09 01:34 PM
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s.w.fl
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bonefish Offline
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Quote:

Quote:

however i have seen mixed results using caltracs and STOCK springs.



Mine work great...


i tried it with my car and it didnt work to good BUT my car weighs 4,129 lbs.i went to the monos and it works great.all you can do is try it.

Re: No pinion snubber and hard launches.... [Re: bonefish] #384836
07/24/09 01:51 PM
07/24/09 01:51 PM
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SO CAL
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mine are stock 6 cylinder leafs, the ones that came on the car, and I run the Rancho 9000 shocks, car weights 2890...

Re: No pinion snubber and hard launches.... [Re: bonefish] #384837
07/24/09 01:56 PM
07/24/09 01:56 PM

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Pinion snubbers are for your grandpa's 5th ave ...when he over-loads the trunk ...and goes over a bump ....

......THEN the driveshaft and rear end does not contact the floor pan !

HEY ... that was the original INTENT of that part designed by Ma Mopar !!

Re: No pinion snubber and hard launches.... [Re: bonefish] #384838
07/24/09 01:56 PM
07/24/09 01:56 PM
Joined: Jul 2008
Posts: 30,466
Florida STAYcation
dOc ! Offline
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Florida STAYcation


Pinion snubbers are for your grandpa's 5th ave ...when he over-loads the trunk ...and goes over a bump ....

......THEN the driveshaft and rear end does not contact the floor pan !

HEY ... that was the original INTENT of that part designed by Ma Mopar !!

Re: No pinion snubber and hard launches.... [Re: dOc !] #384839
07/24/09 02:14 PM
07/24/09 02:14 PM
Joined: Oct 2004
Posts: 330
Frederiction. New Brunswick ,C...
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RTshaker Offline
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And the Hemis had to have extra reinforcing for the snubber due to the extra "junk in the trunk " that you had to carry with you to keep them running . Long day...

Re: No pinion snubber and hard launches.... [Re: RTshaker] #384840
07/24/09 02:52 PM
07/24/09 02:52 PM
Joined: Jul 2008
Posts: 30,466
Florida STAYcation
dOc ! Offline
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And do you know the exact reason WHY Ma Mopar did this ... on those Hemi and I believe some 6 Pack cars ?

Re: No pinion snubber and hard launches.... [Re: dOc !] #384841
07/24/09 02:59 PM
07/24/09 02:59 PM
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s.w.fl
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bonefish Offline
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Quote:

And do you know the exact reason WHY Ma Mopar did this ... on those Hemi and I believe some 6 Pack cars ?


they had to sell them to sombody.

Last edited by bonefish; 07/24/09 03:00 PM.
Re: No pinion snubber and hard launches.... [Re: dOc !] #384842
07/25/09 12:28 AM
07/25/09 12:28 AM
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Posts: 3,665
NE OHIO
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kevin69bman Offline
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Quote:

And do you know the exact reason WHY Ma Mopar did this ... on those Hemi and I believe some 6 Pack cars ?





Becuse they worked and made the cars hook

I still run one with my super stock springs

Re: No pinion snubber and hard launches.... [Re: kevin69bman] #384843
07/25/09 02:58 AM
07/25/09 02:58 AM
Joined: Jan 2003
Posts: 27,421
Balt. Md
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383man Offline
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No snubber on my 3700 lb 63 and I am using the Mancini 3400 lb SS springs. It seems to hook ok for a mid 11 street car as I had a 1.59 sixty last time out. Ron

Re: No pinion snubber and hard launches.... [Re: kevin69bman] #384844
07/25/09 03:28 AM
07/25/09 03:28 AM
Joined: Jul 2008
Posts: 30,466
Florida STAYcation
dOc ! Offline
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Florida STAYcation
Quote:

Quote:

And do you know the exact reason WHY Ma Mopar did this ... on those Hemi and I believe some 6 Pack cars ?





Becuse they worked and made the cars hook

I still run one with my super stock springs




WHY quote me ? ...you did not answer the question

FYI - with PROPER super-stock springs the car does not NEED a pinion-snubber !

Don't just listen to me ... Mister Master Tech ... read what other people here have to say !

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