Re: 9" Vs. Dana 60
[Re: JERICOGTX]
#1621955
05/19/14 11:51 AM
05/19/14 11:51 AM
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Joined: Oct 2004
Posts: 8,166 Left Coast
BobR
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It's a Mopar. Put a Dana under it.
Since when is a Dana a Mopar part? Both my Dana's came out of 1 ton Ford trucks. If I was starting from scratch I would put a 9" under the car to save weight.
Jeff
And that just about sums it up. Monte's post was right on as well.
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Re: 9" Vs. Dana 60
[Re: cudaman1969]
#1621957
05/19/14 12:26 PM
05/19/14 12:26 PM
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Joined: Nov 2004
Posts: 4,330 Lynchburg, VA
Leon441
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You can spin the Mopar part bs to no end. The 9" rears I see have no Ford parts. If you choose to run a torqueflite or 833 for the same reason you would probable want to run a dana.
If you are building a serious et car choose a 9. Unless you desire less drag and a higher pinion.
The guys who usually ask the question as to what they should run actually should choose the Dana 60. 9-11 second full body cars with a well prepped Dana will never hurt it. Some rare cases where the guy wants to slam the car on the ground with big wheels and tires should choose the 9 to keep the driveshaft out of the tunnel.
Call it a pet peeve just get tired of the everybody should run a 9" just because someone else said so.
Career best 8.02 @ 169 at 3050# and 10" tires small block power.
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Re: 9" Vs. Dana 60
[Re: Thumperdart]
#1621959
05/19/14 01:30 PM
05/19/14 01:30 PM
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Application, application, application, it all depends on the application. The Dana in my Dart is all I'll ever need. Complete minus brakes it was $1950 shipped from Strange. A CM housing with no ends is over $1200.
I agree , But,, I'm not a fan of running 9" Ford's over the 8 3/4 wr have ran deep in the 9 s with basic stock gears in an 83/4 with no issue's. But some.have I'm sure it has to do with leaving at such high rpm s something going to break! A Dana maybe heavier but it is.not robbing as.much hp as those.of the 9" and 8 3/4 do so even tho you change to it most cars do not lose et. Some may gain .
Several guys have got by running an 8 3/4, I didn't. Mine broke the second time my 408 hooked up. It had maybe 30 7.30 1/8 mile passes and 1000 street miles behind my 340. The Dana is worth the $$ for the piece of mind.
No disrespect but power didn`t break it cos I`m pretty sure I`m making more than you and mine`s fine so far w/stock caps BUT set up properly.............
it has nothing to do with set up Monte has explained countless times the down side of the 83/4.
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Re: 9" Vs. Dana 60
[Re: Quicktree]
#1621961
05/19/14 01:38 PM
05/19/14 01:38 PM
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Joined: Jun 2003
Posts: 52,972 Romeo MI
MR_P_BODY
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Application, application, application, it all depends on the application. The Dana in my Dart is all I'll ever need. Complete minus brakes it was $1950 shipped from Strange. A CM housing with no ends is over $1200.
I agree , But,, I'm not a fan of running 9" Ford's over the 8 3/4 wr have ran deep in the 9 s with basic stock gears in an 83/4 with no issue's. But some.have I'm sure it has to do with leaving at such high rpm s something going to break! A Dana maybe heavier but it is.not robbing as.much hp as those.of the 9" and 8 3/4 do so even tho you change to it most cars do not lose et. Some may gain .
Several guys have got by running an 8 3/4, I didn't. Mine broke the second time my 408 hooked up. It had maybe 30 7.30 1/8 mile passes and 1000 street miles behind my 340. The Dana is worth the $$ for the piece of mind.
No disrespect but power didn`t break it cos I`m pretty sure I`m making more than you and mine`s fine so far w/stock caps BUT set up properly.............
it has nothing to do with set up Monte has explained countless times the down side of the 83/4.
Yes.. like Monty said.. weight creates more friction/load on the tires and that creates more deflection on the pinion to try and flex out of the ring gear
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Re: 9" Vs. Dana 60
[Re: Thumperdart]
#1621963
05/19/14 01:41 PM
05/19/14 01:41 PM
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Joined: Oct 2003
Posts: 11,702 W. Kentucky
justinp61
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Application, application, application, it all depends on the application. The Dana in my Dart is all I'll ever need. Complete minus brakes it was $1950 shipped from Strange. A CM housing with no ends is over $1200.
I agree , But,, I'm not a fan of running 9" Ford's over the 8 3/4 wr have ran deep in the 9 s with basic stock gears in an 83/4 with no issue's. But some.have I'm sure it has to do with leaving at such high rpm s something going to break! A Dana maybe heavier but it is.not robbing as.much hp as those.of the 9" and 8 3/4 do so even tho you change to it most cars do not lose et. Some may gain .
Several guys have got by running an 8 3/4, I didn't. Mine broke the second time my 408 hooked up. It had maybe 30 7.30 1/8 mile passes and 1000 street miles behind my 340. The Dana is worth the $$ for the piece of mind.
No disrespect but power didn`t break it cos I`m pretty sure I`m making more than you and mine`s fine so far w/stock caps BUT set up properly.............
I know you're making way more power than I am. It made no noise on the highway, no vibration and the wear pattern was good. Maybe I just got a bad set of gears. To ME it was not worth taking the chance again, so I fixed and sold it. The Dana is not much heavier and I have peace of mind now. I know a Dana is not a fix all end all and may not be right for everyone, but it's right for me now.
BTW Thumper, please explain "set up properly".
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Re: 9" Vs. Dana 60
[Re: Thumperdart]
#1621964
05/19/14 01:42 PM
05/19/14 01:42 PM
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Ya but not a 7.30 1/8 th mile car...............
still has nothing to with set up, we ran for over a year with a 9" slick and had 0 problems. put an 11.5 slick on it and boom first pass and only running a little faster than him. there is a lot more to it than set up. you are not the only one on the planet that can set up a rear. put them slicks on and hook for us
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Re: 9" Vs. Dana 60
[Re: cudaman1969]
#1621965
05/19/14 01:44 PM
05/19/14 01:44 PM
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Thumper, great car but I think you'rs is flexing to absorb the shock load kinda like falling on a bed or the floor, whitch one more likely to break something?
and not dead hooking with dot tires
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Re: 9" Vs. Dana 60
[Re: Thumperdart]
#1621967
05/19/14 01:48 PM
05/19/14 01:48 PM
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Joined: Oct 2003
Posts: 11,702 W. Kentucky
justinp61
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Ya but not a 7.30 1/8 th mile car...............
It runs 6.50's-70's with the 408, 1.38 60' at 3260#. Not up to your standards I know, but it's just a pump gas small block.
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Re: 9" Vs. Dana 60
[Re: Thumperdart]
#1621969
05/19/14 01:54 PM
05/19/14 01:54 PM
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Posts: 8,659 fredericksburg,va
cudaman1969
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Thumper, great car but I think you'rs is flexing to absorb the shock load kinda like falling on a bed or the floor, whitch one more likely to break something?
Maybe but it`s back braced and I did twist one and roll the perches before they were fully welded on. Justin, again we hear all of these stories of broken 8 3/4`s in slower cars then myself and other way faster guys make em live...........
You have learned to make it live somehow mopower to you, live long and prosper
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Re: 9" Vs. Dana 60
[Re: jim sciortino]
#1621972
05/19/14 10:01 PM
05/19/14 10:01 PM
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Posts: 4,785 Utah and Alaska
astjp2
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Why dick around with either and run the 70, its a 10.5" ring gear and has the same outer dimensions as a 60. I found one that has 1/2" thick 3.5" diameter tubes that weighed 58# when cut down to size. The 9" pinion is smaller than a dana 44, it only has a 3rd bearing to reduce flex. Nines are just puny compared to a real axle..Tim
1941 Taylorcraft 1968 Charger 1994 Wrangler 1998 Wrangler 2008 Kia Rio 2017 Jetta
I didn't do 4 years and 9 months of Graduate School to be called Mister!
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Re: 9" Vs. Dana 60
[Re: EchoSixMike]
#1621974
05/20/14 12:24 AM
05/20/14 12:24 AM
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Joined: Oct 2003
Posts: 11,702 W. Kentucky
justinp61
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My '9 inch Ford' hasn't got one Ford part in it. It's all Strange or custom fabrication. S/F.....Ken M
I'd say my S-60 is the same way. Probably nothing Dana but the design and Strange even changed that by adding adjusters on the sides.
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