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Posted

So the more balls you put in there, does it affect the pull?

 

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This is a dl lockup

 

4c52aefe80183deded9603689933e1bd.jpg

 

The grooves are 'slopped' , the balls want to go from center to outside with rpm raising and they push on the plate 'cause they have to 'climb' the slope.

 

More balls equal more force on the plate at High rpm.

 

04e8aaeecb9e8464a1e1bba73bd45fe4.jpg

  • Like 1
Posted (edited)

This is a dl lockup

 

4c52aefe80183deded9603689933e1bd.jpg

 

The grooves are 'slopped' , the balls want to go from center to outside with rpm raising and they push on the plate 'cause they have to 'climb' the slope.

 

More balls equal more force on the plate at High rpm.

 

04e8aaeecb9e8464a1e1bba73bd45fe4.jpg

Wow good effort Claude. Nice post.

Gemeiner- So this whole assembly just replaces the stock pressure plate.  The ball bearing plate goes on first, then put your springs with stud extenders in, then the outside cover to the lock up (The black plate) screws ontop. Adjust pancake, then boom done. 

Edited by Ayesully810
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Posted (edited)

Ohhhh ok i see. Nice post. So Just letting off the throttle for a sec is enough to ease up the pressure and shift?

 

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Edited by Gemeiner
Posted

When I first did my 4 mil, it slipped. Override didn't even want to up shift. I put a sling shot and kept that clutch and it worked until the engine went 3-4 years later. Lockups work.

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Posted

You're really going to make me drive out to silver lake dunes to try this thing.

The slingshot has been on my list for a long time. Just never ordered it. I don't feel like pulling my clutch cover off.

And the lp/slp look like something im interested in.

But considering how hard it was for you to sell your top end I may be stuck with mine

Just build another motor and keep your current as a back up. No more down time.
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Posted

So you pretty much need a lockup with a 421? The purpose of the slingshot vs the lockup cover is for a sleeper right? Theres no ridability differences btw the 2?

 

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I genuinely like the heavier slingshot for trail riding and out of the turns for TT. . Totally helps the bike get in the power.
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Posted

I genuinely like the heavier slingshot for trail riding and out of the turns for TT. . Totally helps the bike get in the power.

Thats exactly what i ride too 99% of the time. all trails since i live in east county san diego.

 

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Posted

Ohhhh ok i see. Nice post. So Just letting off the throttle for a sec is enough to ease up the pressure and shift?

 

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You do not need to worry about needing to shift as quick like a stock clutch. You don't drag race for money or anything serious like that.
Posted

You're really going to make me drive out to silver lake dunes to try this thing.

The slingshot has been on my list for a long time. Just never ordered it. I don't feel like pulling my clutch cover off.

And the lp/slp look like something im interested in.

But considering how hard it was for you to sell your top end I may be stuck with mine

What's your top end setup?

 

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Posted

What's your top end setup?

 

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4 mil stock cylinder. Sleeper06 ported.

Made 80/42 on Surfrjag's dyno. Pump gas

 

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Posted

You do not need to worry about needing to shift as quick like a stock clutch. You don't drag race for money or anything serious like that.

True. But ive been on some pretty tricky hills that required some clutch work. Ill have a lot more bottom end with the 421 though so it might not be much of an issue.

 

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Posted

You said tricky hills then mentioned bottom end power. So I assume you need to slip the clutch on slower stuff. It will slip just like it did before. You'll be fine.

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