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What's the advatange
Topic Started: Dec 1 2009, 11:28 AM (442 Views)
admin_glen
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Founder <-----
As most of you know i am in the process of changing my gears to 3.42.

What I need to know is whatis the advantage to changing the Differential Cover to one of these:
http://www.summitracing.com/parts/TFS-8510400/?image=large

Or is the stock cover just fine. (Yes the obvious is the drain and fill plugs)
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:daughtry:

1987 IROC 5.7
350 engine swap, HSR, Southbay 36lb injectors, Hedman shorty headers and y-pipe, Magnaflow Hi-flow Catalytic, 3 inch Magnaflow Exhaust System with 3.5" tips, Front end suspension rebuilt, Energy suspension polyurethane control arm bushings, Energy suspension sway bar end links, Spohn Front end steering rebuild kit (Center link, inner and outer tie rod ends, idler arm), PST springs (front and rear), KYB struts(front) and KYB Gas-a-just shocks (rear), KYB strut mounts, UMI performance subframe connectors, BMR Strut Tower Brace, Astro Van Steering Shaft upgrade
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klowny
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Da Klownfather
the stock cap flexes under load and this one doesn't ... also it provides more support for the pinion... it basically structurally supports ur rear end better..



Check out my thirdgen videos and technical how to vids...from basic car maintenance to Performance mods..
subscribe (its free to subscribe) and you will be updated on future projects:

https://www.youtube.com/watch?v=6HO-D0aIgx8

https://www.youtube.com/watch?v=mIx1TqfXt6A

Thanks!
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admin_glen
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Founder <-----
LOL

So is that an old guy joke....
Instructions for posting a picture:
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Welcome to any old and new members please remember we are here for you but we need your help to keep to club going. Please donate

http://s9.zetaboards.com/nythirdgen/topic/7437933/1/#new
For Donations and Merchandise orders paypal address is nythirdgen@live.com
:daughtry:

1987 IROC 5.7
350 engine swap, HSR, Southbay 36lb injectors, Hedman shorty headers and y-pipe, Magnaflow Hi-flow Catalytic, 3 inch Magnaflow Exhaust System with 3.5" tips, Front end suspension rebuilt, Energy suspension polyurethane control arm bushings, Energy suspension sway bar end links, Spohn Front end steering rebuild kit (Center link, inner and outer tie rod ends, idler arm), PST springs (front and rear), KYB struts(front) and KYB Gas-a-just shocks (rear), KYB strut mounts, UMI performance subframe connectors, BMR Strut Tower Brace, Astro Van Steering Shaft upgrade
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89BANDIT
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Founders
It depends how much power youre looking to put down. Ive seen built 10 bolts handle up to 800HP, Ive also seen them blow out under a stock LB9. I have the LPW girdle. So far so good. But next season i might be calling on Mr Moser.
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Formula388
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Senior Technical Advisor
I have one for my rear... I had to notch the stock panhard bar to fit, and eventually I bought a tubular adjustable PHB...
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klowny
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Da Klownfather
admin_glen
Dec 1 2009, 12:42 PM
LOL

So is that an old guy joke....

:rofl2:



Check out my thirdgen videos and technical how to vids...from basic car maintenance to Performance mods..
subscribe (its free to subscribe) and you will be updated on future projects:

https://www.youtube.com/watch?v=6HO-D0aIgx8

https://www.youtube.com/watch?v=mIx1TqfXt6A

Thanks!
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black83zee
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Media Specialist
Another factor to consider is that the lower the number rear gear you use, the stress on the drivetrain goes up....especially if you like to step on it from first gear on. If you picture trying to start pedalling a bicycle with the chain on the smallest rear gear...it's difficult! You have to stand on the pedals to really start moving. So you have a high po motor and a beefed up trans...guess what's taking the strain when you hammer on your 3.23 or 2.73 gear from a standing start? Beefing up that rear is important....and that aluminum cover is great! Plus it has a larger fluid capacity which keeps the gears running cooler. I would also have the tubes welded to the case...just to keep things as strong as possible.
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350, carb, headers, side exhaust, T-5, aluminum ds, Baer discs, Bilsteins, tubular a-arms,
tubular torque arm, adjustable track bar and control arms.



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charged355
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Nythirdgen Founder
Glen, for your car and your setup it's really not necessary, but if you got money to burn, go for it, jus remember real man with real rears don't have covers bitchesss
Posted Image

Custom Forged 355 / Solid roller cam/valvetrain / Victor Jr heads / Hurricane Intake/ Accufab 1250cfm Throttle body / MegaSquirt 3 Engine Managment/ 1000cc SouthBay Injectors/ 7.6:1 CR / 4" Custom Single Exhaust / 4000 Circle D Stall/ CK Performance Billet 4L80 FMVB Trans Brake / 3" Chromoly Driveshaft / Full UMI Tubular Rear Suspension / Moser/Strange 9" / 4:11 gears Detroit Locker / Sumped LS1 gas tank / A1000 Fuel pump / A1000 FPR / Paxton Fuel filter / -10 Fuel line -8 return / Borg Warner S475 Turbo @10psi/ JGS 50mm WG & 56mm BOV / PA Racing Complete Tubular Front End Kit With Coilovers / Full Autometer Dash / Custom Black Suade Guts / Built by yours truly/ Tuned by George the EFI whiz

http://www.youtube.com/channel/UCnxlPhzRElZYM5YE-n2NRUw
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rustrider73
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the cover is nice for a little extra strength but make sure the guy setting up the gears uses the solid pinion spacer instead of the crush collar
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heartofalion
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DRTYHRY
Manolis1969
Dec 1 2009, 11:32 AM
the stock cap flexes under load and this one doesn't ... also it provides more support for the pinion... it basically structurally supports ur rear end better..

I still suggest you dont drop the soap..... :unsure: ....I hear Sam is around and still has a thing for you!!! :wtf:

I hear he said :ihitit: :idk:
Coach Boone: This is no democracy. It is a dictatorship. I am the law.


Coach Boone: I'm a winner. I'm going to win.


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1320B4U
"Miley Cyrus Club Pres"
I plan on getting one for the 9 bolt i'm putting in...definately not necessary for the power i have now and what the 9 bolt can handle but it looks cool and may help a bit down the road if i beef up the motor or driveline. Might as well do it now if you can than tackling it later.
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1991 R/S..1992 L98 Firehawk Tribute (sold)..1999 c5/t56 (sold)..2012 z-71
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landtax
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It also makes your wallet lighter so that helps with track times a bit.
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Black 89 Firebird Formula - 305 Carb - "Signal 14"
Pewter Metallic 99 Camaro - 3.8 FI - "Air Raid"
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JekyllandHyde
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SENSEI
Depends on your driving. Do you beat on the car a lot? I put one in because I planned on pushing more power, and after only about 56k miles, my 10-bolt started coming apart even with stock power levels. These 10-bolts really are hit or miss.
Currently looking for a 91-92 Z28, TTA or GN
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black83zee
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Media Specialist
>Don't know about your motor, Glen, but I'm putting 350rwhp/400trq....I'm sleeping better with my girdle on!...And Alex....I love you saying real men go stock! So why do you have a Ford 9" with only 9lbs. boost? Let's see you man up and set that wastegate to 30lbs.!
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350, carb, headers, side exhaust, T-5, aluminum ds, Baer discs, Bilsteins, tubular a-arms,
tubular torque arm, adjustable track bar and control arms.



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Mr. Bob
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Advanced Member
Not looking to hijack this thread but I'm looking to change my rear end in the spring. My pinion and carrier bearing are shot which is causing a leak thru the pinion seal.

My issue is to decide on keeping my stock 2.73 gears or upgrade to steeper gears. I have time to think about it.

Glen - keep this thread going with progress, I would be interested on how it turns out. Good luck
1989 Trans Am, 5.0 TPI - Auto, T-Tops, 2.73 Posi, WS6 Performance Suspension, KYB Shocks/Struts, Founders Performance LCA and PHB, Flowtech Headers, 52mm BBK Throttle Body, BBK AFPR, Cold Air Intake, Hi Flow Cat, 3 inch cat back, Spintech Muffler with Magnaflow Tips.




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admin_glen
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Founder <-----
Bob go to 3.42s and I will be ordering the new cover next week.

The gears are already ordered
Instructions for posting a picture:
http://s9.zetaboards.com/nythirdgen/topic/593945/1/

Welcome to any old and new members please remember we are here for you but we need your help to keep to club going. Please donate

http://s9.zetaboards.com/nythirdgen/topic/7437933/1/#new
For Donations and Merchandise orders paypal address is nythirdgen@live.com
:daughtry:

1987 IROC 5.7
350 engine swap, HSR, Southbay 36lb injectors, Hedman shorty headers and y-pipe, Magnaflow Hi-flow Catalytic, 3 inch Magnaflow Exhaust System with 3.5" tips, Front end suspension rebuilt, Energy suspension polyurethane control arm bushings, Energy suspension sway bar end links, Spohn Front end steering rebuild kit (Center link, inner and outer tie rod ends, idler arm), PST springs (front and rear), KYB struts(front) and KYB Gas-a-just shocks (rear), KYB strut mounts, UMI performance subframe connectors, BMR Strut Tower Brace, Astro Van Steering Shaft upgrade
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89BANDIT
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Founders
black83zee
Dec 2 2009, 07:40 AM
>Don't know about your motor, Glen, but I'm putting 350rwhp/400trq....I'm sleeping better with my girdle on!...And Alex....I love you saying real men go stock! So why do you have a Ford 9" with only 9lbs. boost? Let's see you man up and set that wastegate to 30lbs.!

I think what he means is that, the ford 9" dosent have a cover. There totally different type of rear end.
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charged355
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Nythirdgen Founder
Dave is correct no cover on a 9" and Stan 30 psi would result in 1800hp and a big cabbbbbbbbboooooommmmmm
Posted Image

Custom Forged 355 / Solid roller cam/valvetrain / Victor Jr heads / Hurricane Intake/ Accufab 1250cfm Throttle body / MegaSquirt 3 Engine Managment/ 1000cc SouthBay Injectors/ 7.6:1 CR / 4" Custom Single Exhaust / 4000 Circle D Stall/ CK Performance Billet 4L80 FMVB Trans Brake / 3" Chromoly Driveshaft / Full UMI Tubular Rear Suspension / Moser/Strange 9" / 4:11 gears Detroit Locker / Sumped LS1 gas tank / A1000 Fuel pump / A1000 FPR / Paxton Fuel filter / -10 Fuel line -8 return / Borg Warner S475 Turbo @10psi/ JGS 50mm WG & 56mm BOV / PA Racing Complete Tubular Front End Kit With Coilovers / Full Autometer Dash / Custom Black Suade Guts / Built by yours truly/ Tuned by George the EFI whiz

http://www.youtube.com/channel/UCnxlPhzRElZYM5YE-n2NRUw
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19transam86
Like a G6
charged355
Dec 2 2009, 10:40 AM
... Stan 30 psi would result in 1800hp and a big cabbbbbbbbboooooommmmmm

and the problem is?? :idk:
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1986 Pontiac Trans Am, 305, 5-spd, 17" ZO6 Wheels
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black83zee
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Media Specialist
Guys...I was being sarcastic! Of course I know what a 9" is!!!
Posted Image
350, carb, headers, side exhaust, T-5, aluminum ds, Baer discs, Bilsteins, tubular a-arms,
tubular torque arm, adjustable track bar and control arms.



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89BANDIT
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Founders
black83zee
Dec 2 2009, 11:34 AM
Guys...I was being sarcastic! Of course I know what a 9" is!!!

O Duh :doh:
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black83zee
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Media Specialist
Hope you bought gold Dave....
Posted Image
350, carb, headers, side exhaust, T-5, aluminum ds, Baer discs, Bilsteins, tubular a-arms,
tubular torque arm, adjustable track bar and control arms.



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89BANDIT
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Founders
black83zee
Dec 2 2009, 12:24 PM
Hope you bought gold Dave....

I did, Now im looking for an entry point to short it..
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black83zee
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Media Specialist
Excellent! Are you gonna go to Muckler's meet sunday?
Posted Image
350, carb, headers, side exhaust, T-5, aluminum ds, Baer discs, Bilsteins, tubular a-arms,
tubular torque arm, adjustable track bar and control arms.



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89BANDIT
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Founders
black83zee
Dec 2 2009, 12:30 PM
Excellent! Are you gonna go to Muckler's meet sunday?

Not sure yet.
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charged355
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Nythirdgen Founder
19transam86
Dec 2 2009, 12:27 PM
charged355
Dec 2 2009, 10:40 AM
... Stan 30 psi would result in 1800hp and a big cabbbbbbbbboooooommmmmm

and the problem is?? :idk:

ok no problem, but you get to pay for the 25 000 thats gonna blow up, ill turn it up to 60 if you want once i cash your check.
Posted Image

Custom Forged 355 / Solid roller cam/valvetrain / Victor Jr heads / Hurricane Intake/ Accufab 1250cfm Throttle body / MegaSquirt 3 Engine Managment/ 1000cc SouthBay Injectors/ 7.6:1 CR / 4" Custom Single Exhaust / 4000 Circle D Stall/ CK Performance Billet 4L80 FMVB Trans Brake / 3" Chromoly Driveshaft / Full UMI Tubular Rear Suspension / Moser/Strange 9" / 4:11 gears Detroit Locker / Sumped LS1 gas tank / A1000 Fuel pump / A1000 FPR / Paxton Fuel filter / -10 Fuel line -8 return / Borg Warner S475 Turbo @10psi/ JGS 50mm WG & 56mm BOV / PA Racing Complete Tubular Front End Kit With Coilovers / Full Autometer Dash / Custom Black Suade Guts / Built by yours truly/ Tuned by George the EFI whiz

http://www.youtube.com/channel/UCnxlPhzRElZYM5YE-n2NRUw
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