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Chris Alston Chassisworks Blower Gear Drive

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Old 07-02-2010 | 09:57 AM
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yea, thanks Kurt. (oh btw, I brought up your 6 sec pass in drag race section, but I really dont know anything about it, the car, or what happened to it)

All those are reasonable reasons.

Fantaz, all my stuff is slow, thats why ask questions when I cant figure out why somethings are done. I appreciate all your helpful knowledge though everytime you chime in with your experience about what you wont say about your ride, or what it runs.

The f1 Im playing with is not in a fbody chassis at all. It in an old g body. I ve never seen a gear drive, that I noticed anyways on a procharger. Im guessing that if I take a closer look, Ill see a few around, probably. Ive thought about the side loads,on the crank and blower, but at the same time the cog is ran pretty sloppy compared to a serpintine.

Of course you can do anything you see fit, or try, I didnt mean it was a bad idea, I just couldn t understand the motivation. I ve tried all kind of stuff........believe me, some worked great, some didnt....

LOL, most recently.....I used a 12x24x3 intercooler as an auxilary radiator.......and it worked perfectly, believe it or not.
Old 07-02-2010 | 11:29 AM
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Originally Posted by 1320

Fantaz, all my stuff is slow, thats why ask questions when I cant figure out why somethings are done. I appreciate all your helpful knowledge though everytime you chime in with your experience about what you wont say about your ride, or what it runs.
You don't need to anything about my car besides the fact that I don't try to reinvent the wheel! I don't run a 2.45 gear because my suspension dosent work and then wonder why my 88mm turbo car only goes 10.0s LOL.
Old 07-02-2010 | 12:40 PM
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Originally Posted by 427
1.The side load the belt produces is hard on the crank and the supercharger gearbox.
2. The belt never breaks on a geardrive.
3. The belt never strips the teeth on a geardrive.
4. The blower can be run faster with a geardrive.
5. It takes less power away from the engine with a geardrive.
6. More gear ratios available with a geardrive.

Thats all I can think of off the top of my head!

Kurt
You also end up with a forward facing blower. Something that seems nearly impossible to do with a belt drive in a Fbody.
Old 07-02-2010 | 02:21 PM
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I have been thinking this way too, nice to get some confirmation. The Procharger route just seems easier all the way around - building, packaging, and racing. Plenty of room for a geardrive Procharger set up on an F-Body race car. More interested in the reliability of Alston gear drive.

Originally Posted by 427
I am building a 427 with the F3 blower/geardrive now and it sure seems like it would be easier for staging and racing, will be interesting to see how it performs in the car. Not much difference in cost and should be way better for the torque converter not "spooling" the thing up when staging.

Kurt
Old 07-02-2010 | 03:08 PM
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Originally Posted by FANTAZ28
You don't need to anything about my car besides the fact that I don't try to reinvent the wheel! I don't run a 2.45 gear because my suspension dosent work and then wonder why my 88mm turbo car only goes 10.0s LOL.
You must be confused, or is it just a street racer thing to exagerate everything. I dont run a 2.45 gear....or an 88 mm turbo.......neither does anyone I know.
Old 07-02-2010 | 05:00 PM
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That gear drive looks fuggin sweet!!
Old 07-02-2010 | 05:30 PM
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Originally Posted by LS1RedZ
That gear drive looks fuggin sweet!!
For sure man..
Old 07-02-2010 | 09:51 PM
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Originally Posted by 1320
yea, thanks Kurt. (oh btw, I brought up your 6 sec pass in drag race section, but I really dont know anything about it, the car, or what happened to it)
That car was actually "Casper", which was Mike Moran's former race car, and Mike was doing the driving.

http://www.fquick.com/videos/2599

http://www.hotrod.com/featuredvehicl..._v8/index.html
Old 07-03-2010 | 04:06 PM
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Originally Posted by helicoil
I have been thinking this way too, nice to get some confirmation. The Procharger route just seems easier all the way around - building, packaging, and racing. Plenty of room for a geardrive Procharger set up on an F-Body race car. More interested in the reliability of Alston gear drive.
I think the reliability should be fine. Alston has had the benefit of running the Supercharger store gear drive for some time and found the weak links. It was the failures he had that led to the decision to start making his own. He was running the gear drive on a 598" BBC with a F3 on alcohol making 2500HP+ with about 40lbs of boost.
Old 08-06-2010 | 04:05 AM
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Who do I need to contact for questions and purchasing? Chassis works or Kurt Urban?
Old 08-06-2010 | 11:48 AM
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Chris jr at Alston would be your best bet, really nice piece. The Blower Drive company one is nice also, but Chris added some details that are nice like a timing pointer and crank trigger mount for the MSD sensor.

Kurt
Old 08-07-2010 | 06:23 PM
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Is this motor plate now being sold individually from Alston Chassisworks?
Old 08-08-2010 | 03:38 AM
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could somethinbg like this be developed for stadard F-body type builds? just thinking that it could probsbly be made more compact than a large belt drive..... just an idea.
Old 08-08-2010 | 05:04 AM
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So what is better about this one than the one you get from the supercharger store. I talked to a guy tonight at the track (4.6 mod motor, supercharger store geardrive, F2, 45 psi spinning 70k rpm) and his opinion was that the supercharger store piece was "probably" better. Didn't really say why, but he did say that it has worked flawlessly and has yet to kill the tranny in his F2. Which apparantly was a common occurance with the cog set up along with belt issues.
Old 08-08-2010 | 01:51 PM
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Originally Posted by helicoil
Is this motor plate now being sold individually from Alston Chassisworks?
Tim, I don't know if they are selling it yet. I think Alston wants to wait until my motor is back from Kurt so he can make some revisions. If you are interested in one I can get you in contact with Chris Jr. PM me if thats the case.
Old 08-08-2010 | 02:01 PM
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Originally Posted by Blown06
So what is better about this one than the one you get from the supercharger store. I talked to a guy tonight at the track (4.6 mod motor, supercharger store geardrive, F2, 45 psi spinning 70k rpm) and his opinion was that the supercharger store piece was "probably" better. Didn't really say why, but he did say that it has worked flawlessly and has yet to kill the tranny in his F2. Which apparantly was a common occurance with the cog set up along with belt issues.
I'm sure you could acheive the same results with either blower gear drive. That guys opinion is solely based on his experience with the Supercharger store set up and never using Alston's. Kurt might be able to shed more insight but from my perspective Alston has taken his experience with the Supercharger store gear drive and improved on it. Alston had been running the Supercharger store unit and would break parts on it. After doing that a couple times he decided to make his own because he has the resources. It just worked out for me that Alston was already going to use my 2002 Trans Am as the R&D test bed for a 25.3 chassis and cage and the fact that Kurt is building a Procharger LS motor for the car. I ultimately went off the deep end and decided to build another motor that was more street friendly to put in my 69 Camaro. Being a bit crazy I decided to put a gear driven Procharger on that so I wouldn't deal with the issues a belt driven set up presents.
Old 08-08-2010 | 08:12 PM
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The two units both look like they can do the job, the chassis works one has a few refinements I can see. The blower shop drive uses three pieces of aluminum approx .750 thick in a sandwich type configuration, the center part of the sandwich has an oval opening that the gears ride in while the two outside pieces hold the gear position and have the input/output shafts riding on bushings. The three pieces are held together by bolts around the perimeter that also align everything.
The chassisworks unit is made up of two pieces of aluminum, one being machined out for the gears to sit inside. The two pieces are aligned by dowel pins and retained by bolts around the perimeter. I think this unit is lighter by a minor amount and should be better for holding gear alignment based on the design having less "sandwich" parts and the dowels instead of bolts for alignment of the gear case. Both seem to be priced about the same and both companies have great guys to deal with as well as multiple gear ratios to match your needs.

Kurt
Old 08-08-2010 | 11:21 PM
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O.K. I will let you know. Still not certain were my NEW LSX will go, I was more interested to know if he has one for a Chevy II with the Alston bolt on front clip. Thanks.

Originally Posted by ericg69ss
Tim, I don't know if they are selling it yet. I think Alston wants to wait until my motor is back from Kurt so he can make some revisions. If you are interested in one I can get you in contact with Chris Jr. PM me if thats the case.
Old 08-09-2010 | 01:56 AM
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Originally Posted by helicoil
O.K. I will let you know. Still not certain were my NEW LSX will go, I was more interested to know if he has one for a Chevy II with the Alston bolt on front clip. Thanks.
He most definitely can. He can put any type of motor plate you want. I know he can make one for a Chevy II front clip.
Old 10-06-2011 | 12:36 PM
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Bump.

Any updates on the setup Eric, has it been reliable?



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