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-   -   jerico 3-4 shift arm lever issue (https://classracer.com/classforum/showthread.php?t=41089)

gmonde 06-04-2012 05:50 PM
Re: jerico 3-4 shift arm lever issue
 
i have to ask ,,what lenght shifter (long has a short and long version)and what lenght fork arms are you guys running ???i am thinking the both long shifter and fork arms are creating to much leverage for the ecentric to handle ,,also double checked the adjustment
and mentioned previously the fork slides work perfect as well as the sliding 3-4 dog ring

thanks for your replys ,, still investigating gmonde

gmonde 06-04-2012 05:55 PM
Re: jerico 3-4 shift arm lever issue
 
Quote:
Originally Posted by Mike Voth (Post 329764)
You're not alone gmonde. We have been fighting this problem for 3 years now. It was bad enough at one time that we had to bring extra shift levers to the track just to make it through a race. After installing a new one (3/4), it would immediately start twisting and eventually break. When we removed the nut and slid the lever off, the internal hole would be rounded out. Lever was tight, but still moved around. We been through every test imaginable and haven't found a cause. These are the NASCAR hardened, long shift levers. Long shifter, as well. Everything is adjusted properly. Similar situation. We've run the same Jerico for YEARS without fail, then all of a sudden, BOOM, problems around every corner! The one variable you might check is that your bellhousing is indexed properly. If the transmission is misaligned, it will put too much stress on the main shaft and shift forks (and gears), causing the need to use too much force when shifting. We should be out testing in the next couple of weeks. If we figure something out, I'll post it here. Might be time for a Liberty. ;)
the levers are not breaking its the ecentric that actuates the 3-4 fork thats shearing off ,,the bell housing was indexed thanks for your reply gmonde

Robbie Draughon 06-04-2012 06:32 PM
Re: jerico 3-4 shift arm lever issue
 
I would call jerico and talk to Scott. He has helped me figure out problems more than once.

Paul Merolla 06-19-2012 04:41 PM
Re: jerico 3-4 shift arm lever issue
 
Quote:
Originally Posted by 69Cobra (Post 329770)
I've broke one in the last 10 years. When mine broke my stop had loosened up and was not stopping the shifter, the slider/fork/arm was. After adjusting it on the bench with the cover off and seeing what its doing in there I've not had a problem since. But I believe the key is to set the stops with the cover off so you can see what you're doing. I set mine to where it leaves about .030" of play before "bottoming out" and let the dog ring suck the slider in the rest of the way. Haven't had a problem since. Also make sure your shifter rods are running as parallel as possible. Hope this helps
I installed my Long shifter last night and got the rods on when I remembered this thread...this sounds to me like a dumb question, but where are the stops? I don't see anything on the shifter that looks adjustable other than the heims on the rods. I don't want to take this thing to the track for the first time and bust the trans!

Rory McNeil 06-19-2012 06:08 PM
Re: jerico 3-4 shift arm lever issue
 
Quote:
Originally Posted by Paul Merolla (Post 331932)
I installed my Long shifter last night and got the rods on when I remembered this thread...this sounds to me like a dumb question, but where are the stops? I don't see anything on the shifter that looks adjustable other than the heims on the rods. I don't want to take this thing to the track for the first time and bust the trans!
I have 2 Jericos with Long V Gate shifters (NON pistol grip), and if my shifters have any stops, I`ve never seen them.

Run to Rund 06-19-2012 07:30 PM
Re: jerico 3-4 shift arm lever issue
 
I run the Mr. Gasket vertical gate, aka Hurst V Gate 2. It has a bolt-on set of stops. For the price, the Long darn sure ought to have stops. Apparently it does:

Designed exclusively for G-Force G-101 clutchless transmission.

Allows transmission to be rotated 90ยก for increased ground clearance.

Supplied with stainless steel tube rods and Heim-end linkage for all applications.

Push-pull design virtually eliminates missed shifts.

External shift stops prevent overshifting which can result in transmission damage.

http://longshifters.com/shifter_4_vj1000.asp

b.guggenmos 06-19-2012 09:51 PM
Re: jerico 3-4 shift arm lever issue
 
Quote:
Originally Posted by Rory McNeil (Post 331942)
I have 2 Jericos with Long V Gate shifters (NON pistol grip), and if my shifters have any stops, I`ve never seen them.
Like Rory's my Long shifter for the Jerico has no stops either. Brian

JHeath 06-19-2012 10:26 PM
Re: jerico 3-4 shift arm lever issue
 
Is anybody doing the burnout in 3rd gear?

Run to Rund 06-19-2012 11:32 PM
Re: jerico 3-4 shift arm lever issue
 
Jerico says not to burnout in 3rd; it is the weakest gear due to being against the split between mainshaft and input gear.

Stephen & Horace Johnson 06-19-2012 11:55 PM
Re: jerico 3-4 shift arm lever issue
 
Quote:
Originally Posted by Run to Rund (Post 331997)
Jerico says not to burnout in 3rd; it is the weakest gear due to being against the split between mainshaft and input gear.
thats funny, just about every stickshift i know does them in 3rd....


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