Patrick G

iTrader: (14)

All Yank Super Thrusters started receiving the updated clutches January of 2002. The change was made to accomodate lock-up problems with '01 and '02 F-bodies. There were little to no clutch problems on '98-'00s with older versions ST converters.

XLR8NSS

iTrader: (4)

</font><blockquote><font size="1" face="Verdana, Helvetica, sans-serif">quote:</font><hr /><font size="2" face="Verdana, Helvetica, sans-serif">Originally posted by Patrick G:
<strong>All Yank Super Thrusters started receiving the updated clutches January of 2002. The change was made to accomodate lock-up problems with '01 and '02 F-bodies. There were little to no clutch problems on '98-'00s with older versions ST converters.</strong></font><hr /></blockquote><font size="2" face="Verdana, Helvetica, sans-serif">Yep, I never had a problem with my ST3800 in my '00 SS. Now Ryan Karasek is running it and hitting it with nitrous with no troubles.

What the hell did GM do to the '01+ cars to make the converters get all screwy?

John

WILWAXU

iTrader: (6)

</font><blockquote><font size="1" face="Verdana, Helvetica, sans-serif">quote:</font><hr /><font size="2" face="Verdana, Helvetica, sans-serif">Originally posted by XLR8NSS:
<strong>What the hell did GM do to the '01+ cars to make the converters get all screwy?

John</strong></font><hr /></blockquote><font size="2" face="Verdana, Helvetica, sans-serif">Alot! We are still finding strange things that '01-02 cars do. Someone at GM has said that the 01-02 car spike tranny line pressure when it sees any torque over 400ftlbs. Well.. anyone that has had even a stock car with a converter is seeing close to that number at the REAR wheels. SO guess what that means.. broke junk in the tranny because of a programming problem.

I won't even get into torque management.. which I affectionally call "hand of satan: <img border="0" title="" alt="[Wink]" src="gr_images/icons/wink.gif" />

Like was said above... nearly all problems you have seem are from 01-02 cars.. I believe the programming is 98% at fault... the other 2% is the price of having a fast car... things will break.

PonchoFan

Well the 'little or no problem with 98s is horseshit because mine is a 98.

MYBLKSS

iTrader: (1)

Thanks for the feedback guys. This makes me feel a little better about the install. I have a 99 SS are there any issues in this year i should worry about.

H82BBad

BTW I have the same combo as you(cam heads long tube) but a larger converter.I will tell you that you are having a misfire problem. mine will unlock just like yours (I run a tpe4400) and wont set an ses light when I clear code it will lock back up.This camshaft causes more misfires than straight durration cams,IMO.
I think the extra exhaust durration over scavenges the cylinder at cruise rpms. but this is just a guess. BTW I didnt have lockup problems with a 222/222 or a 228/228 but this little cam has given me fits to no end.
But I will say I dont have a chatter problem and never had one,but I do use ford type f fluid,not that it is recomended.

Loco

I have a Yank TP 4500 and had problems from the day I got it (last year sometime). I get locking problems, SES light, and chattering on occasion.
Havent decided what I'm gonna do now. After Ed Wright programming, I got rid of the locking problem and rarely get a SES light. Still get a slight chattering after it locks up. <img border="0" title="" alt="[Confused]" src="images/icons/confused.gif" /> I hope this is not killing my tranny.

<small>[ July 17, 2002, 09:38 PM: Message edited by: Loco ]</small>

Ragtop 99

iTrader: (7)

2X:

I'm not sure what Yank does for secondary purchasers.

I agree that the clutch chatter issue was partly a design issue. It was too agressive a material for a smaller diameter clutch. The fix is a less agressive material and an increase in clutch surface area.

If your problem was just chatter, I wouldn't suspect the misfires, but not locking up over 50 mph seems odd when it will lock below 50. Other guys with misfire problems weren't getting SES lights either. I wasn't getting an SES light too. Before you swap converters, try this:
Clear/reset your computer and immediately hop into the highway and see if it locks up normally. If it does for a while, then the problems come back, it is most likely misfire detection or computer issue. If nothing changes, it is probably not misfire detection.

Kristi

Hum... so they ADMIT they had a problem in the '01-'02 cars, and yet they won't fix those problems for the poor suckers like me who had the misfortune of buying one before they got it worked out. In essence, I paid them $700 to be a guinea pig for them. Nice <img border="0" title="" alt="[Smile]" src="gr_stretch.gif" />

And by the way, I personally know of 5 '98-'99 cars with the SAME problem with the ST3500.

Funny, PI and TCI seem to have no problem keeping clutches together in their converters... sounds like Yank was trying to take the cheap way out by using a cheaper, inferior clutch lining... it didn't work and they fully realized that if they had to fix one under "warranty," they'd have to fix hundreds so it was easier and more cost-efficient to deny the problem... and we're supposed to be so stupid that we can't put 2 and 2 together now that they've up and changed clutch linings...

Oh well, my saga is over and done with... My Yank tore up at 7000 miles, I had to eat it, and I'm way past the point of caring what the Yank cheering section has to say about it. It's sad that it's their job to have to say anything at all.

Superman

A converter should work without tuning.. I`d be pretty pissed if after spending $$ for one I~d have to spend more $$ for LS1 edit. My used Vig.3200 has worked flawlessly since day one except for the time I was using maf ends.

I don`t get a price break from Vig. or any incentives from them, that being said.. IMOP Yank`s cheering section is doing a disservice to members by always making up excuses for Yank. When Yank gets it right it`s one hell of a product, but Yank should also be pushed into standing behind their product and making a better product. Neccesity is the mother of invention.. if sales go down maybe they`ll get their act together... at this point why should they? Plenty of sales and people up Mikes *** so why bother..

my .02

JohnPayne

iTrader: (3)

Yeah,as far as TCI goes I have had good luck out of my converter, the customer service and the willingness to work with you on repairs and problems is outstanding,my first converter had clutch problems and they sent me another converter no ? asked so I would recommend giving them a try.

I know I would hate to spend all that money and first time you have a problem they don't want to help you out at all that would make me <img border="0" alt="[barf]" title="" src="graemlins/gr_barf.gif" /> . Spend hours on the phone arguing <img border="0" alt="[fight]" title="" src="graemlins/gr_punch.gif" /> about what the cause of the problem is.

Just my .02
Good luck hope everything works out.

Trans Am WS6 420

iTrader: (14)

Well, sounds rather similar to my yank experience, except I am in for the whole Pro Yank TH-400 deal. Bit more expensive <img border="0" title="" alt="[Sad]" src="gr_sad.gif" /> Best of luck to you....

- Matt

OBSSSD

My company is a Yank dealer and I have a Super Yank 3500 with Ed Wright programming in my 02' Trans Am. It works perfectly. There are definately a few problems with the Thruster series Yank Converters though, and while they may be fixed I would not put one in without custom programming. The cars with problems all seem to have ported ends, or no programming (TM deleted), or no trans cooler, or a combination of the above.

The best thing is to stick to what works if you're buying a Yank. Mike builds the best converters IMO but I would stay away from the ST3500, ST3800, and ST4000 until the problems have been completely eliminated.

The other thing to consider is that there are definately some problems out there that may not have been caused by a defective converter but there is no way to tell how many.

Good luck to those with problems, I hope you get them solved. In the meantime, I've found the Yank's that work are killer converters for street and track use.

High stalls (3500+) are not for the faint of heart. Remember, if you want to play, you may end up having to pay - wehether it's your fault or not...

<small>[ July 23, 2002, 06:02 PM: Message edited by: OBSSSD ]</small>

Orange Krush

Originally posted by Ragtop 99:

"If your cruise LTRIMs are positive, get them negative."

Rag can U explain this statement ? <img border="0" title="" alt="[Confused]" src="images/icons/confused.gif" />

Yes U are responding to a rookie ! <img border="0" title="" alt="[Embarrassed]" src="gr_emb.gif" />

I am just trying to learn ! <img border="0" title="" alt="[Wink]" src="gr_images/icons/wink.gif" />

<small>[ July 18, 2002, 07:18 PM: Message edited by: Orange Krush ]</small>

Ragtop 99

iTrader: (7)

Orange:
Positive LTRIMs mean the car is lean and needs to add more fuel. Its need more fuel because it is flowing more air than the computer realizes. Air flow is used to calculate laod. This causes the computer to under-estimate the load the engine is under. Lower load = lower line pressure. Lower line pressure increases the likelihood the lock-up clutch will slip (rather than grip) when applied and cause chatter.

Orange Krush

Okay now I think I am getting the picture !

Thanx !

Oh one more for U ! <img border="0" title="" alt="[Embarrassed]" src="gr_emb.gif" />

Could U compensate for the low line pressure with the HPP3 or is this a bad thing ? <img border="0" title="" alt="[Confused]" src="images/icons/confused.gif" />

H82BBad

I think you will have the same problem with your new converter. (as far as unlocking after 50.)
My car does the same thing I am awaiting getting ls1 edit now. This cam will throw misfires when driving at 2500 rpms. and converter will unlock. Mine throws them enough to eventually set a ses light but not always.
Good luck

2xLS1

iTrader: (25)

</font><blockquote><font size="1" face="Verdana, Helvetica, sans-serif">quote:</font><hr /><font size="2" face="Verdana, Helvetica, sans-serif">Originally posted by CRASH 02:
<strong> I don't even own an automatic car.
</strong></font><hr /></blockquote><font size="2" face="Verdana, Helvetica, sans-serif">The board permits complaints about sponsors to be aired if they have a factual basis and are current. Your quote appears to say it all. If
you don't have first hand knowledge, you are here for bashing and that is not permitted.

Ragtop99, are you on Yanks payroll by any chance??? Crash 02 has both rode in and driven my cars on the street and at the track. He helped remove the ST3500 from my 98Z and helped install the ST3800 in my 99 SS. I would say he does have first hand knowledge of my problems with Yank.

Once again, I called Yank on 7/10 and 7/12. Both times I was told by the lady that answered the phone that Mike would return my call. As of 7/18, I have not heard from him.

What does that say when a Yank Dealer wont sell, in good conscience a ST converter.

FWIW, I logged, with A-tap cylinders 1-8 misfires last night while cruising at 65 mph, and it showed virtually no misfires.

<small>[ July 18, 2002, 09:36 PM: Message edited by: 2xLS1 ]</small>

CRASH 02

iTrader: (3)

I know more than Ragtop 99 knows abut this problem. <img border="0" title="" alt="[Smile]" src="gr_stretch.gif" />

cute move. First time I've seen someone come back and do that. <img border="0" alt="[jester]" title="" src="graemlins/gr_jest.gif" />

<small>[ July 19, 2002, 12:53 PM: Message edited by: Ragtop 99 ]</small>

RCowan

iTrader: (25)

I've had a SY3500, a SY4000, and a TP4400. Each one of them chattered after the lock-up clutch was fully broken in. For the SY3500 ans SY4000 that was about 8000 miles or so. For the TP4400 it was about 5000 miles.

My understanding is that once the lock-up clutch is broken in or glazed as the case may be, it is no longer able to hold as much power while locked up.

The solution to the problem (for me) was LS1-Edit. I lowered the %TPS at which the converter unlocks across the board. Find at what %TPS it starts to chatter at a given speed and the lower the %TPS for that speed to below the "chatter point". I also made it hold 3rd to a higher mph before shifting to 4th for lower values of %TPS.

I had a wicked nasty chattering TP4400, but with the tuning it works perfectly. Thanks Ragtop <img border="0" title="" alt="[Wink]" src="gr_images/icons/wink.gif" />