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Author
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Topic: 9" Questions
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SundanceKid
Gearhead Posts: 1273
From: UT
Registered: Feb 2001
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posted 02-14-2003 03:18 PM
   
I am about to buy the rest of the parts to put the Granada 9" rear back together.I primarly do autocross with a drag race or two a year on street tires. My motor is making "healthy" power around 390-400hp. I am currently using a Tremec 5spd. The rear end will have 3.50:1 gears and a Torsen differential. I know that this is a stretch from the usual dragracing Ford 9" I think I would like to buy a Strange aluminum carrier, but I am concerned with duribility on the street as this car is a daily driver. Are the aluminum carriers with the through bolts worth the extra money? I have a cast iron pinion support with the pinion snubber on it. I don't know if the cast iron pinion support is strong enough or if it will work with the aluminum carrier. I already have a rebuild kit for the cast pinion support, if I went with a Daytona pinion support I would need new bearings....yay. Course I don't know if I should use a iron or aluminum Daytona pinion support either. From what I read aluminum pinion supports can't be used on the street. I don't know if this is from the fact it is aluminum or that there is no provision for oiling? Randy's Ring and Pinion claim to have an aluminum Daytona pinion support that can be used on the street. Moser and Mark Williams don't state if you can or can't on theirs.
Then we come to yokes. 1330 or 1350 style? do I need the extra size of a 1350? what are the disadvantages of big u-joints? They sell billet, cro-molly, aluminum. What material yoke should I buy as well? Basicly my question is what works with what, what will give the lightest weight and the highest strength? what size yoke? Thanks sorry so long and confusing!
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jsracingbbf
Gearhead Posts: 2904
From: Batesville,MS. , U.S.A.
Registered: Mar 2002
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posted 02-14-2003 06:52 PM
I can't tell you what would last on the street but I can tell you this since I have put together a good many 9" rears for alot of racers, mainly drag cars, Chevy & Ford powered ( since the bowtie contingent likes FoMoCo 9" rears )Most of the failures have been on the pinion bearing support, the one on the front of the pinion in the case. Most other failures I've seen are from guys that "try" to set up their own gears and get the wear pattern way off. I run an Aluminum pinion bearing support with a STOCK N Case carrier, MW 35 spline spool and Richmond gears. I've never had a failure. Not gears not bearings not once. I used to have a T-Lok 31 spline differential in a N case installed in my footbrake car, with 5.14 gears. Once a year I would put in a new clutch pack. I always ran extra clutches to tighten the whole set up. if I were you I'd find an N case with the old Cast type daytona pinion support and set the gears up properly and then run it. Should give you plenty of strength and durability. BTW if durability is a concern think about this TOM of TOM's differentials in Paramount CA. has run a alky dragster with a stock N case and detroit locker without tearing it up. hard launching cars need a little give in the gears. Set the gears up for what you do the most. Street or drag. An aluminum carrier will save you lbs. that's all. ------------------
Jerry
69 Mustang Pro ET Drag
70 Mustang retired former footbrake car
"This is FORD Country! On a Quiet night you can hear a Chevy Rust"
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Just Strokin
Gearhead Posts: 754
From: Tuscaloosa, Alabama
Registered: Dec 2001
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posted 02-14-2003 07:54 PM
Jerry, some very good information you have provided there.Sundance, The NASCAR boys run what is called a Daytona Pinion support and it is cast iron, well nodular iron. It carries the stock size front bearing and a larger rear bearing. Since you road race, forget the aluminum pinion support. It will NOT provide adequate lubrication to the bearings in your automotive endeavours. The NASCAR boys run either the 1330 or the 1350 yokes, depending on the tracks. Short tracks would require the bigger yoke than say the likes of Daytona or Charlotte, but, that doesn't mean they don't run them there also. There is a difference in the yokes for a regular pinion support and the Daytona support. You can take a regular yoke and machine .250" off the shoulder where the nut tightens and use it with the Daytona support. Hope this info helps you..... ------------------
Larry No fast Fords at this time but one fine cruising 96 F350 CC DRW Power Strokin diesel.
And one rusty 64 Fairlane nick-named the Rust Bucket....And sometimes called the Money Pit... The sounds of a brain dropping into gear.....
"Buzzzzzz.......Click"
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Moneymaker
Administrator Posts: 26813
From: Lyons, IL, USA
Registered: May 99
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posted 02-14-2003 11:19 PM
You'd never hurt a Strange aluminum carrier with your combo.------------------
Alex Denysenko
Co-Administrator and Moderator NHRA/IHRA/SRA member and licensed Superstock driver
MCA member# 53321
NHRA and IHRA SS/LA National Record Holder '00,'01,'02,&'03
Fleet of FoMoCo products including 88 ASC McLaren Mustang #28
Professional Manwhore
The Barry of BarrysGrrl Quote #1: "I never met a magazine mechanic I liked."
Quote #2: "Make sure brain is in gear before engaging mouth!"
Quote #3: "If you can't run with the big dogs, stay on the porch!"
www.moneymakerracing.com
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SundanceKid
Gearhead Posts: 1273
From: UT
Registered: Feb 2001
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posted 02-15-2003 02:55 AM
Moneymaker has said before that he has used the aluminum carriers with success. I am nervous about the gear deflection that I have read about and longevity. I just don't want to have to change or reset the gears once I have them in. I realy like the idea of an aluminum carrier. To me it saves some weight wich is always good. The aluminum looks good to boot! And it goes with the high techy stuff I already have on the car.
Alex, I know you answered this once before just wanted reasurance. I will get the aluminum carrier.
As for Pinion supports...will an iron support with the aluminum case work well? I don't like the idea of mixing iron and aluminum due to obvious reasons. Should this be a concern? Does the rearend get hot enough to make that big a differance on expansion rates?
The pinion support bearings I have now are both the same size. Will I need only one new bearing and race to complete a Daytona support?Thanks for all your help guys!
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Moneymaker
Administrator Posts: 26813
From: Lyons, IL, USA
Registered: May 99
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posted 02-15-2003 09:53 AM
As long as you use quality hardware, the iron pinion support wil work fine with the aluminum carrier.
There are thousnds of street rods, pro streeters running around with aluminum carriers from Strange, Moser, Mark Williams, FRPP, etc.------------------
Alex Denysenko
Co-Administrator and Moderator NHRA/IHRA/SRA member and licensed Superstock driver
MCA member# 53321
NHRA and IHRA SS/LA National Record Holder '00,'01,'02,&'03
Fleet of FoMoCo products including 88 ASC McLaren Mustang #28
Professional Manwhore
The Barry of BarrysGrrl Quote #1: "I never met a magazine mechanic I liked."
Quote #2: "Make sure brain is in gear before engaging mouth!"
Quote #3: "If you can't run with the big dogs, stay on the porch!"
www.moneymakerracing.com
IP: Logged |
SundanceKid
Gearhead Posts: 1273
From: UT
Registered: Feb 2001
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posted 02-15-2003 01:35 PM
Thanks again for the much needed advice Alex. Always a little hesitant when trying somthing new...I'm not in any clubs or organizations...don't get to the track much either. So you guys are the only people I trust to get good information on proven set ups. I am going to give Randy's a call on Monday to see about their aluminum support that is to work for the street.
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Moneymaker
Administrator Posts: 26813
From: Lyons, IL, USA
Registered: May 99
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posted 02-15-2003 01:40 PM
When I was in Park City a couple of years ago surprisingly I saw quite a few street rods runing around town.  ------------------
Alex Denysenko
Co-Administrator and Moderator NHRA/IHRA/SRA member and licensed Superstock driver
MCA member# 53321
NHRA and IHRA SS/LA National Record Holder '00,'01,'02,&'03
Fleet of FoMoCo products including 88 ASC McLaren Mustang #28
Professional Manwhore
The Barry of BarrysGrrl Quote #1: "I never met a magazine mechanic I liked."
Quote #2: "Make sure brain is in gear before engaging mouth!"
Quote #3: "If you can't run with the big dogs, stay on the porch!"
www.moneymakerracing.com
IP: Logged |
SundanceKid
Gearhead Posts: 1273
From: UT
Registered: Feb 2001
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posted 02-15-2003 11:52 PM
Yeah, there are alot of rods around, alot of muscle cars in perticular. I used to go to the car shows, but after a while you notice the same cars every show with very little new done to them. So it gets boring to me. Drag racing has become a majority of ricers now. While 15.08 timeslips are entertaining enough...yeah haven't gone in a while. Neither are anything like back east though. The IVR and SCCA leages I run with are all dominated mostly buy Jetta's and RX7's and a mix of Honda's and Toyota's with a few late model Mustangs for good measure. I've been getting into Offroad lately with a 4wd Toyota and I just bought a Jeep, and have been doing some work to it. But, I need to regain my focus and work on the Mustang again! I will let everyone know how the Randy's pinion support goes. Alex, What do you think of the new Strange "S" cases? other then they look heh, strange.
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Moneymaker
Administrator Posts: 26813
From: Lyons, IL, USA
Registered: May 99
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posted 02-16-2003 12:44 AM
They are fine.------------------
Alex Denysenko
Co-Administrator and Moderator NHRA/IHRA/SRA member and licensed Superstock driver
MCA member# 53321
NHRA and IHRA SS/LA National Record Holder '00,'01,'02,&'03
Fleet of FoMoCo products including 88 ASC McLaren Mustang #28
Professional Manwhore
The Barry of BarrysGrrl Quote #1: "I never met a magazine mechanic I liked."
Quote #2: "Make sure brain is in gear before engaging mouth!"
Quote #3: "If you can't run with the big dogs, stay on the porch!"
www.moneymakerracing.com
IP: Logged |
Big D
Gearhead Posts: 5480
From: WELLS, NEVADA USA
Registered: Nov 2000
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posted 02-17-2003 03:07 AM
quote:
Originally posted by SundanceKid:
I used to go to the car shows, but after a while you notice the same cars every show with very little new done to them. So it gets boring to me.
Hey Sundance,, Bring that Bad Boy to the Wells Fun Run in July.. I know you'll see a lot of cars you've never seen before and I GUARANTEE,, You Won't Get Bored..  Plus,, You can participate in the Street Drags and BurnOut Contest..  ------------------
Don
'66 Fastback
302 with 5 speed
Royal Blue Metallic w/Ghost Flames
https://mustangsandmore.com/ubb/BigD.html
'94 Skidoo Mach Z, 925cc,, 175 hp,, 2" Camoplast Long Track.. "OK, So What's The Speed of Dark"..
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SundanceKid
Gearhead Posts: 1273
From: UT
Registered: Feb 2001
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posted 02-17-2003 02:18 PM
Hey Big D Joyce fully endorsed the last one she went to! So if the Stang is street worthy count me in! The only big show I go to is the cache valley cruise aka. Logans Run. that show is huge. Just seems like very few Fords and even fewer with much done to them. But that maybe another story out your way.
Alex, I might just go with a Nodular Iron piece and never have to worry about it again. The Iron pieces are cheaper to boot so dono?
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