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Yank ss3600 gap advice

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Old Jun 7, 2014 | 07:23 AM
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Default Yank ss3600 gap advice

I picked up a Yank ss3600 from a member on here yesterday and installed it in the car last night along with a new gm flexplate. I measured the gap with the verter pushed all the way back and heres what I came up with; a 9/32" drill bit fit with a little slack left so I tried a 5/16" and it wouldnt go. I figure the gap to be at .300" or so as I didnt have a master drill index to work with. I am curious at what size shims I should use as I can only find 3/8" washers here at work. I used a set of calipers to deturmine they are roughly .075" to .080" thick. I arranged them in 3 groups of 2 washers that total .160" to .161" thick. by my math that puts me a hair under 9/64" with washers installed and thats right where I need to be. I was wondering if you guys thought that doubling up on the washers to reach the desired thickness of .160" was ok or if I should try something different?

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Old Jun 7, 2014 | 12:50 PM
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Wow, no one has any info on this? I need to do this later on this afternoon hopefully someone will know what I need to do.
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Old Jun 7, 2014 | 01:11 PM
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As long as 2 washers gets you within the specified range I don't see a reason why it wouldn't work.
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Old Jun 7, 2014 | 01:56 PM
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Originally Posted by 1FastBrick
As long as 2 washers gets you within the specified range I don't see a reason why it wouldn't work.
I ended up calling Performabuilt and they confirmed I was on the right track. Thanks anyways.
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Old Jun 7, 2014 | 03:44 PM
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These are what I used to space my converter: http://www.summitracing.com/parts/mez-fps437187

They are a little pricey but I didn't have to worry about any irregularity with stacking washers. I put them on a gram scale and they were all within 1/10 of a gram in weight.

They make several different sizes.
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Old Jun 7, 2014 | 04:00 PM
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Originally Posted by Triaxle
These are what I used to space my converter: http://www.summitracing.com/parts/mez-fps437187

They are a little pricey but I didn't have to worry about any irregularity with stacking washers. I put them on a gram scale and they were all within 1/10 of a gram in weight.

They make several different sizes.
Good deal!

That's a much better option then stacking washers.
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Old Jun 7, 2014 | 08:13 PM
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Well crap... I got the converter bp;ted up with new GM bolts on a new Gm flexpalte and the bolts are too long. They bottom out in the converter block before the head of the bolt is seated even with the washers spacing the converter away from the flexplate.. What gives? What size and length bolts am I supposed to use here? I know shorter ones but I was hoping someone might have exact specs. Im ready to try this stall out, Damn...
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Old Jun 9, 2014 | 06:42 AM
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Well, like any good trained monkey outta be able to do, I figured it out and just used a grinder with a cutoff wheel to shorten the bolts. lol... The stall feels funny and will take some getting used to as this is the first stalled car I have ever owned.
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Old Jun 9, 2014 | 10:56 PM
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Yep,IIRC Yank supplies bolts with the converter because the stock ones are too long.

I'm sure you know, but just to be safe ... keep checking and rechecking the tranny fluid as you drive around after the install until you are sure it is full. My SS3600 felt very strange on the first few trips around the block until the tranny was full.
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Old Jun 10, 2014 | 03:41 PM
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Originally Posted by RevGTO
Yep,IIRC Yank supplies bolts with the converter because the stock ones are too long.

I'm sure you know, but just to be safe ... keep checking and rechecking the tranny fluid as you drive around after the install until you are sure it is full. My SS3600 felt very strange on the first few trips around the block until the tranny was full.
Thanks. I checked it several times within the first few miles and it was good. It actually feels too loose to me. I almost wish I would have went with a 3200 or so. I also installed a hayden model 405 cooler that I tied into the trans line that had the spring loaded hose clamp holding it together. This line went into the top of the radiator. Is this the return line or the one going into the stock cooler?
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Old Jun 10, 2014 | 09:24 PM
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My SS3600 felt extremely loose upon installation but that was due to the fluid level being low. Once I got it completely filled it felt fine. That's why I mentioned that to you. Maybe it'll just take some getting used to for you.

IIRC, the upper line is the return line, but I can never remember for sure. A search will get you the answer.
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Old Jun 10, 2014 | 09:36 PM
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I have put about 300 miles on it and the level is still full so Im sure its just me not used to it yet. I just discovered today that I need a shortblock so that figures...
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