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Sled Pulling From Street to Pro-Mod, get your Sled Pulling fix here!

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Old 08-06-2010, 09:12 AM   #21
mech2161
 
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In flow?
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Old 08-06-2010, 09:16 AM   #22
mech2161
 
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3.0 with a stepped cover and a 1/4 map. Now wonder some people are putting 30' on the rest on the field.
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Old 08-06-2010, 09:20 AM   #23
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Ok, say you allow bushings now...what then? The guy that's putting 30ft on you now will still be doing it later. That's not the answer, I'm with zstroken wheel protrusion is a better solution.
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Old 08-06-2010, 09:26 AM   #24
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Quote:
Originally Posted by mech2161 View Post
3.0 with a stepped cover and a 1/4 map. Now wonder some people are putting 30' on the rest on the field.

Opening the map can hurt a turbos performance...
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Old 08-06-2010, 09:27 AM   #25
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Originally Posted by SledPuller21 View Post
Ok, say you allow bushings now...what then? The guy that's putting 30ft on you now will still be doing it later. That's not the answer, I'm with zstroken wheel protrusion is a better solution.
I think you see my point. You have 3.0 trucks that are buying a stepped cover with a big map and pulling 2.6 class. The way the turbo rule is now there is little difference in power for these guys.
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Old 08-06-2010, 09:33 AM   #26
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fwiw i run a true 66mm
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Old 08-06-2010, 09:56 AM   #27
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Opening the map can hurt a turbos performance...
Can on an under powered truck. It's no longer a 2.6 class. It's 3.0 under cover.
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Old 08-06-2010, 10:11 AM   #28
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Protrusion is not the answer.
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Old 08-06-2010, 10:20 AM   #29
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Pulling is an expensive sport, stop *****in and spend money if you want to win. No matter what rule you make there will be guys spending insane amounts of money to stay at the top. Rules made to make pulling more affordable is retarded.
I agree with Bean's MotorSports is a money deal, if you want to win spend the money. If you dont have the money do it for fun. I got lots of money in my truck after this winter in havnt won all summer, dont see me *****in about it.
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Old 08-06-2010, 10:47 AM   #30
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Not *****ing, just stating what no one else will.
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Old 08-06-2010, 11:01 AM   #31
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When they drop 2.8 most if not all of them will buy a magic cover and pull 2.6. Now if 3.0 class goes open drive line how many of them will do the same. A cover is cheap compared to changing drive line.
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Old 08-06-2010, 11:09 AM   #32
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When they drop 2.8 most if not all of them will buy a magic cover and pull 2.6. Now if 3.0 class goes open drive line how many of them will do the same. A cover is cheap compared to changing drive line.
Whats the point of this thread?
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Old 08-06-2010, 11:14 AM   #33
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Protrusion is not the answer either. I can take an 80mm wheel and knock 1/8th inch of the compressor fins off and get it to fit into a 2.6 inducer. Then right behind that 1/8th inch put in a step out the the original 80mm wheel and have a 1/4 map groove allow the air into the big part of the wheel. Hp will be the same. Difference is I just dropped $5,000 on a turbo. I will pull both classes in the same night because my turbo will make just as much power at the 3.0 trucks that have "cheap" turbos on.

Here it is!!!

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Old 08-06-2010, 11:19 AM   #34
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Quote:
Originally Posted by lubeowner View Post
Protrusion is not the answer either. I can take an 80mm wheel and knock 1/8th inch of the compressor fins off and get it to fit into a 2.6 inducer. Then right behind that 1/8th inch put in a step out the the original 80mm wheel and have a 1/4 map groove allow the air into the big part of the wheel. Hp will be the same. Difference is I just dropped $5,000 on a turbo. I will pull both classes in the same night because my turbo will make just as much power at the 3.0 trucks that have "cheap" turbos on.

Here it is!!!

Click the image to open in full size.
5K??? Geez.....that is ridiculous for a turbo.

Rule should state, 2.6" tip to tip...no notching or stepped covers. Use the same rules as the gas guys do in the Outlaw and Limited street classes.
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Old 08-06-2010, 11:21 AM   #35
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5K??? Geez.....that is ridiculous for a turbo.

Rule should state, 2.6" tip to tip...no notching or stepped covers. Use the same rules as the gas guys do in the Outlaw and Limited street classes.

Then you get into contoured wheels.

Of course I know of 1 setup that seems to be ok working with a contoured wheel.

The other folks that I know that tried the high trim compressor wheels have either sold them or have at least taken them off of the trucks.
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Old 08-06-2010, 11:31 AM   #36
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Exducer limit is the only way to "fix" the 2.6" class.

Untill somebody is willing to tech it though and an exducer limit becomes the rule, all this other talk is pissing in the wind.
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Old 08-06-2010, 11:33 AM   #37
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Originally Posted by zstroken View Post
Then you get into contoured wheels.

Of course I know of 1 setup that seems to be ok working with a contoured wheel.

The other folks that I know that tried the high trim compressor wheels have either sold them or have at least taken them off of the trucks.
Yeah I talked to the guys that build my turbos, they recommend not running small inducer size with big exducer sizes above a certain margin. Their is a mathematical equation for it they use, but apparently it creates a lot of heat and turbulence going above that margin. I guess limit the exducer, then stick to comp wheel design.....
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Old 08-06-2010, 11:37 AM   #38
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Thank you very much!!!!!!!!!!!!! This is the point of this thread. Sometimes not easy for me to put it into words.


Quote:
Originally Posted by lubeowner View Post
Protrusion is not the answer either. I can take an 80mm wheel and knock 1/8th inch of the compressor fins off and get it to fit into a 2.6 inducer. Then right behind that 1/8th inch put in a step out the the original 80mm wheel and have a 1/4 map groove allow the air into the big part of the wheel. Hp will be the same. Difference is I just dropped $5,000 on a turbo. I will pull both classes in the same night because my turbo will make just as much power at the 3.0 trucks that have "cheap" turbos on.

Here it is!!!

Click the image to open in full size.
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Old 08-06-2010, 11:38 AM   #39
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Originally Posted by Convicted1 View Post
Exducer limit is the only way to "fix" the 2.6" class.

Untill somebody is willing to tech it though and an exducer limit becomes the rule, all this other talk is pissing in the wind.
The easiest way this:

"Any puller can buy any other pullers turbo up to 2 hours the class is finished pulling at each event, for the set price of $1500."
 
Old 08-06-2010, 11:40 AM   #40
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The easiest way this:

"Any puller can buy any other pullers turbo up to 2 hours the class is finished pulling at each event, for the set price of $1500."
Hell yes! I'd be all over that. Maybe go ahead and say 2k... But this is a hell of an idea!

Good luck getting anybody else to go for it though.
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Quote:
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You want boobies that fill up a wine glass.... not stop up a toilet.
 
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