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 Prowler Underdrive Pulleys!!!!!!!!!
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| Author | Topic: Prowler Underdrive Pulleys!!!!!!!!! |
fortknox82 Prowler Junkie From:Boynton Beach, FL 33436 |
posted 05-30-2001 04:07 PM
    
I will be approaching a couple of manufacturers to try to get them to develop a couple small but useful things for us prowler owners. Specifically, i will be looking into larger anti-sway bars and also an underdrive pulley set. I dont know of anyone who makes these for our cars so thats why im putting this post just to make sure im not wasting my time going to these guys. I figure larger sway bars would be nice for even better handling than what we already have, and if i could get an underdive pulley that is about half the size of the stock one it would be good for like 15HP - 20HP. Just little things tryin to help out and get them cheap. So how many people would be interested in these products if i could get them? ------------------ !!++Youngest Driving Prowler Owner++!! -Amsoil Engine and Tranny Fluid This message has been edited by fortknox82 on 05-30-2001 at 10:04 PM |
Gary C        POA Site Supporter Prowler Junkie Personal ScrapBook From:San Diego Area |
posted 05-30-2001 08:15 PM
More Power put me down for a pulley set. ------------------ |
butchcee POA Site Supporter Prowler Junkie From:Lake Ariel, Pa. |
posted 05-30-2001 08:44 PM
Paxton makes a different pully with their blower. Is it larger in size, or just a location thing. Hey, want more power-put a switch on the alternator disconnecting the field. Run off the batt for racing at the track or on the street. I had a magneto on my T and the car would run with the ign off-just no batt charge. Made a difference in idle speed when the charging circuit was on or off. I never A-B'd the strip times. Cheap HP. I would be interested in slow down pullys for the accessories, not the water pump. ------------------ |
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butchcee POA Site Supporter Prowler Junkie From:Lake Ariel, Pa. |
posted 05-30-2001 08:49 PM
PS-dont know how much better this car could be made to handle as it's pretty good now. I manage to scare anyone that I take for a ride. Besides, this is a flexible car-too much corner slinging might twist it up pretty fast I imagine. Like a go-kart---after a season, throw the frame away. OMO ------------------ |
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fortknox82 Prowler Junkie From:Boynton Beach, FL 33436 |
posted 05-30-2001 10:02 PM
*******!!!!!!!!!!UPDATE!!!!!!!!!!******* I just got a reply back from one of the couple of places i am going through for pricing. The company is Unorthodox Racing. They are a highly renowned company in the import world. So far there are a couple of options for the pulley sets. One, is just to buy an underdrive pulley for the crankshaft. Two, is to buy the crankshaft pulley and the accessory pullies. The only problem now is that i need a minimum order of 30 sets for him to make it. I might be able to talk him down from this and i will also see if he is including belts with it. The price range will be in the $200 to $300 dollar range i believe. I will keep posting updates as i get them but please try to convince everyone else to get them too as it is a low buck performance gain of anywhere between 13-18 HP. ------------------ !!++Youngest Driving Prowler Owner++!! -Amsoil Engine and Tranny Fluid |
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FatManInTheBathTub Prowler Junkie From:Palm Coast, FL. |
posted 05-30-2001 10:21 PM
Hey now Jason, I like the way you think out of the box. You should just spray that cat and just change the jets for more hp.............could you explain to me the benefits of these underpulleys and the effect on the shaft components??? ------------------ |
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fortknox82 Prowler Junkie From:Boynton Beach, FL 33436 |
posted 05-31-2001 11:29 AM
What the under drive pulleys do is take the crankshaft pulley and make it smaller. By making it smaller this slows down the turn rate of the accessories on the car but not so much as to not make the accessories turn fast enough. It just brings it down to minimum requirement. On most cars it is in the area of 8 to 18 HP depending upon whether the car is normally aspirated or charged. Also, the accessory pulleys that will be made to go with the crankshaft pulley will just be aluminum lightweight pulleys for looks more less b/c there is no real benefit in underdriving these pulleys and the crank pulley at the same time. But the other major benefit rather than horsepower is that your accessories will last longer b/c they are turning at a slower speed. Currently, i have one more company that says they would do the job but need to see what to pulleys look like b4 they will give me a price. But i do still need the interest from everyone. I will probably need about 20 orders just to get them to make them. I have used several underdrive pulleys for several cars and they all seem worth while. More power is more power..... ------------------ !!++Youngest Driving Prowler Owner++!! -Amsoil Engine and Tranny Fluid |
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WPG Prowler Junkie From:Orlando, Florida |
posted 05-31-2001 11:38 AM
I am interested in a set of pulleys. I have been wanting to install a set, but have not been able to find a supplier. Keep us informed. ------------------ |
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butchcee POA Site Supporter Prowler Junkie From:Lake Ariel, Pa. |
posted 05-31-2001 01:50 PM
What about the alternator pully on the Paxton kit anybody? ------------------ |
cstall           POA Site Supporter Prowler Junkie From:Chandler, AZ USA |
posted 05-31-2001 02:41 PM
I'd be interested in a set...how tough is it to remove the crank pulley? |
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fortknox82 Prowler Junkie From:Boynton Beach, FL 33436 |
posted 05-31-2001 02:53 PM
Doing the pulley conversion is actually not hard at all especially since this is a serpentine belt. All you have to do is loosen the idler pulley which is not too hard to get to. Then just unbolt the pulley from the flywheel and it is as simple as that. ------------------ !!++Youngest Driving Prowler Owner++!! -Amsoil Engine and Tranny Fluid |
jd2ksilver POA Site Supporter Prowler Junkie Personal ScrapBook From:Mt. View, CA |
posted 05-31-2001 03:17 PM
This change would also change the boost for the Paxton then,,,,,, right??????????????,, lower it,,,,,,,, ------------------ |
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fortknox82 Prowler Junkie From:Boynton Beach, FL 33436 |
posted 05-31-2001 03:24 PM
JD how does the setup for the belt on the paxton work? Does it run off of the crank as a seperate belt and pulley or what? If it ran off the serpentine thats on the car then yes it would lower boost on the charger. But if its a seperate belt and pulley then it shouldnt matter. What you would do to compensate for boost is to change the pulley on the charger itself. Thats the best that i can tell you from what i know. ------------------ !!++Youngest Driving Prowler Owner++!! -Amsoil Engine and Tranny Fluid |
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jd2ksilver POA Site Supporter Prowler Junkie Personal ScrapBook From:Mt. View, CA |
posted 05-31-2001 04:03 PM
Yep, off the serpentine. Add it to things to consider,,  |
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FatManInTheBathTub Prowler Junkie From:Palm Coast, FL. |
posted 05-31-2001 07:39 PM
Hey now Jason, I don't mean to burst your bubble but if you change the harmonic balancer, you will have to have your rotating mass rebalanced. Now that will take some work. You will have to tear down your motor so to get it rebalanced. If you don't do this, the small amount of hp you gain will be lost due to the out of balance mass??? On these other cars you have done this with, did you rebalance??? ------------------ |
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fortknox82 Prowler Junkie From:Boynton Beach, FL 33436 |
posted 05-31-2001 10:03 PM
Now wait a sec Fat Man.....from my understanding these engines are already balanced pretty much. I mean, i looked at the pulley on the car the other day and it doesnt have a harmonic balancer made onto the pulley. The pulley is just a big pulley. The engines made today have to be balanced for the output of horsepower they are creating. All of my other cars have had no problems and they were just like the prowler, just a pulley on the crank. Thats my thoughts and understandings.....maybe someone should find out.... ------------------ !!++Youngest Driving Prowler Owner++!! -Amsoil Engine and Tranny Fluid |
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FatManInTheBathTub Prowler Junkie From:Palm Coast, FL. |
posted 05-31-2001 11:26 PM
Hey now Jason, I do know that to get the mass balanced, you give em the crank,1 piston with rings, 1 rod with bearings, the flywheel, the harmonic balancer/pully. It is then all balanced together. If you change any part of this, you change the balance. Its just food for thought......I'm no expert on motors so I'm just thinking out loud....hope it helps.............. ------------------ |
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butchcee POA Site Supporter Prowler Junkie From:Lake Ariel, Pa. |
posted 06-01-2001 08:09 AM
No change in balance with the pully change FM ------------------ |
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FatManInTheBathTub Prowler Junkie From:Palm Coast, FL. |
posted 06-01-2001 08:41 AM
Hey now Al, how can this be??? School me please...... ------------------ |
BeWare  POA Site Supporter Prowler Junkie From:Acworth , Georgia , USA |
posted 06-04-2001 09:35 PM
I was just reading and article in Mopar Now about changing the under pully in a PT Cruiser. It states that this can cause the water pump to turn slower and possibly result in an overheating problem in city traffic. That is if the same belt drives the water pump which it does not in the PT. I believe it does in the Prowler. ------------------ |
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FatManInTheBathTub Prowler Junkie From:Palm Coast, FL. |
posted 06-04-2001 11:31 PM
Hey now, if the underdrive pully will work, I'm sure the WP pully could be sized to run as if it was stock. That is one thing you would not want to slow down. Aluminum and overheating don't mix........ ------------------ |
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fortknox82 Prowler Junkie From:Boynton Beach, FL 33436 |
posted 06-04-2001 11:43 PM
You guys dont even have to worry about the water pump. The water pump is driven by the timing belt so it would not be affected. Only the accessories are driven by the underdrive pulleys. ------------------ !!++Youngest Driving Prowler Owner++!! -Amsoil Engine and Tranny Fluid |
Bob Wyman POA Site Supporter Prowler Junkie From:Fullerton, CA |
posted 06-05-2001 06:38 PM
Underdrive pulleys will give roughly 6-10 Hp, however your accessories would run slower. The altinator would not put out as much voltage needed for stereo equipment. The crank pulley would be larger and would slow down the Paxton supercharger. You could speed the blower up but there could be a belt lenght problem. Gary you need to get your car running before you can add more power. |
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