Jack's transmission 1.1

[SlowChild3]

I'm interested in knowing what reliable power levels owners have with this trans.



90-91 1g AWD Economy 1.1
New 1-2 fork
Unbreakable 3-4 fork upgrade- 1G
New 3-4 fork- 2G
New all brass synchronizer blocker ring upgrade- 1G
Our own machined double synchro 2nd gear upgrade
New 1-2 synchronizer hub
New 1-2 synchronizer slider
New 1-2 synchronizer springs
New 3-4 synchronizer springs
New 1-2 synchronizer shoes
New 3-4 synchronizer shoes
New 5th gear synchronizer blocker ring with flipped slider
New seals
New tapered roller bearings on each end of intermediate shaft
New 1-2, 3-4, and 5-R roll pins
New center diff spider gear side shims
New upper Torrington upgrade
Reset bearing preloads for maximum bearing and gear life
Replace all bell housing case bolts
Parts cleaned using industrial parts washers and bead blaster

 

[907dsm]

I'd say contact Jack personally man.. I believe they have number on there site and he replies to emails pretty promptly.

719-243-5305 or mailto:[email protected]

 

[SlowChild3]

He'll just tell me near stock levels as described. : ) just wanted experienced opinions.

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[bluegs03]

I have one of his transmissions and it has been flawless for 30,000 miles. Not much more to say then that!

 

[white92talontsi]

I talked to jack about my trans and am going with the value build with a taller 5th gear. He assured me it would handle 400whp all day long without issues.

Whatever build u get i would definitely make sure and get 2nd gear double syncros.

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[dsmdeliveryboy]

Yeah I talked to him about this tranny too, said 400whp would be this trannies limit but I've decided to go with the Dogbox. They're having a sale right now that has pretty much all the same stuff done but for a lot cheaper and the shipping is much cheaper($75 I think).

 

[SlowChild3]

I already have the 1.1 with the evo gear. But if 400 is the limit that works for me. Thanks.

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[Project2G]

I'd say contact Jack personally man.. I believe they have number on there site and he replies to emails pretty promptly.

719-243-5305 or mailto:[email protected]

I would not bother calling. They don't answer the phone or call back. Best way for contact would be via email. They reply quick.

 

[white92talontsi]

I would not bother calling. They don't answer the phone or call back. Best way for contact would be via email. They reply quick.

Jack personally called me back. It says when u call to leave a message and they will return your call within 24hrs.


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[Project2G]

Jack personally called me back. It says when u call to leave a message and they will return your call within 24hrs.


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Oh nice. When I called I left a message but no return. Maybe they were busy.