DRR Top Comp
| Make sure you have plenty of air pressure and make sure you lube the cylinder once in awhile. And of course, do what you're fixing to do and make sure nothing is binding. Good luck!
Clowns to the left of me, Jokers to the right. Here I am.......
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| | | Posts: 5336 | Location: stuck in the middle with you! | Registered: March 11, 2002 | 
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DRR Pro
| quote: Originally posted by Cashflow:
Make sure you have plenty of air pressure and make sure you lube the cylinder once in awhile. And of course, do what you're fixing to do and make sure nothing is binding. Good luck!
I was down to about 750-800 pounds yesterday when I tried it - how much is plenty as it has a 100 psi preset Biondo regulator? |
| | | Posts: 1135 | Location: The problem is not the problem. The problem is your attitude about the problem. Savvy?” ~~ Captain Jack Sparrow ~~ | Registered: August 21, 2000 |
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DRR S/Pro
| 100 should be good, and I usually look to fill the bottle when it gets down in the 400 range. My Terminator is sprung so tightly that it’s hard to whomp with any precision, but the SLE is always lightning quick. Can you verify that the regulator is really giving you 100 psi?
Tony Leonard
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| | | Posts: 3249 | Location: Inver Grove Heights, MN | Registered: March 18, 2004 |
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DRR Pro
| quote: Originally posted by chasracer:
I finally got a go with my SLE but it appears I have some binding or something. It's slow to open the carb. I plan pulling the carb later today and start looking for problems - anything I should be aware of?
K&R Box, K&R Pro Stage unit.
I'll assume you've studied the instructions? The throttle opening rate is adjustable, and there's a note that you should measure the amount of throttle pull required. Just sayin'
"Despite the high cost of living, it remains popular."
Dave Cook
N375
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DRR Pro
| Been tweaking on mine. Slowing it down a bit. On SLE my RPM is set ~1300rpm. Assume you're working with a Biondo kit.
Don't make it harder than it is!
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| | | Posts: 850 | Location: Ft. Lauderdale, Florida | Registered: March 11, 2002 |
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DRR Elite
| quote: Originally posted by chasracer:
K&R Pro Stage unit.
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DRR S/Pro
| quote: Originally posted by chasracer:
Well, thought I had this fixed but it seems that full accelerator pumps put enough load on it that it was still a touch slow. I had tested previously after removing (and draining) the carb and the pumps were not full. I tested it again after raising the pressure - I'm at 117-118 now and it is working okay again. I have put a couple of drops of lube in the cylinder but I wonder if the morse cable needs to be cleaned?
If it is the cable causing a problem look at the silver jacket cables that The Chassis Shop sells. They are really smooth and will tolerate a tighter radius bend without as much drag.
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2017 and 2018 Osage Casinos Tulsa Raceway Park No-Box Champion
2018 Div4 Goodguys Hammer award winner
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| | | Posts: 3149 | Location: KIEFER, OK. | Registered: August 17, 2007 |
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DRR Pro
| quote: Originally posted by JAFR:
What kind of angle is there between the SLE cylinder and the throttle linkage on the carburetor? If the angle is too great it will take more pressure to open the linkage on the carb. Where do you have the cylinder mounted on the carburetor linkage, the higher it's mounted on the linkage the easier it will be to pull open.
The cable should not be an issue, when your foot is on the floor the cable is pulled as far as it's going to go. the air cylinder is doing all the work once the SLE is engaged. You might check the pressure at the cylinder itself, maybe you have a kinked line?
Cylinder is dead level with the cable connection. All the lines are smooth and mostly straight or gentle curved. I have a race next weekend so we'll see how it goes. |
| | | Posts: 1135 | Location: The problem is not the problem. The problem is your attitude about the problem. Savvy?” ~~ Captain Jack Sparrow ~~ | Registered: August 21, 2000 |
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DRR Sportsman
| quote: Originally posted by chasracer:
Well, thought I had this fixed but it seems that full accelerator pumps put enough load on it that it was still a touch slow. I had tested previously after removing (and draining) the carb and the pumps were not full. I tested it again after raising the pressure - I'm at 117-118 now and it is working okay again. I have put a couple of drops of lube in the cylinder but I wonder if the morse cable needs to be cleaned?
You are definitely having an issue. I only run 80psi to my sle but mine is the large cylinder. I have to ask are you saying it's a touch slow because it barely hitting the chip before the car leaves or just cycling it? If on track you maybe be actually having a stumble because the rpm is too low or you're actually snapping it open too fast.
Denis LeBlanc
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| | | Posts: 507 | Location: Manchester, NH | Registered: February 03, 2006 |
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DRR Sportsman
| Just looked at the K&R site if your SLE is actually plumbed with 1/8 line from the solenoid to the cylinder I'd try it with 1/4 line.
Denis LeBlanc
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| | | Posts: 507 | Location: Manchester, NH | Registered: February 03, 2006 |
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