Allen Supercharger
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Allen Supercharger
Hello All,
I've been looking at supercharging my 97 5.4 4x2 373 rear, I like the Allen supercharger. http://www.troyerperformance.com/cgi-bin/ppistore.pl?user_action=detail&catalogno=AED98FE54 Does anybody have one? Is there any negatives for this unit beside cost? This truck will never be at the track (I dont think it will anyway). It's a daily driver and some times pulls a boat and small trailer. I did not find many positive-displacement blowers for my truck. I did find alot of centrifugal superchargers. I think I would like the boost at low rpm's. I did find one on ebay for a 2000 5.4. I dont think it will work thought. Any info on this unit or similar superchargers would be great. Thanks Norm
I've been looking at supercharging my 97 5.4 4x2 373 rear, I like the Allen supercharger. http://www.troyerperformance.com/cgi-bin/ppistore.pl?user_action=detail&catalogno=AED98FE54 Does anybody have one? Is there any negatives for this unit beside cost? This truck will never be at the track (I dont think it will anyway). It's a daily driver and some times pulls a boat and small trailer. I did not find many positive-displacement blowers for my truck. I did find alot of centrifugal superchargers. I think I would like the boost at low rpm's. I did find one on ebay for a 2000 5.4. I dont think it will work thought. Any info on this unit or similar superchargers would be great. Thanks Norm
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Their M90 is a bit small & overdriven for a 5.4.
Decent torque numbers, but HP numbers aren't great.
IMHO you can expect about 350 lb-ft of torque, and about 245 RWHP based on the few dyno results I've seen for similar setups..maybe a bit more HP with a great tune.
But if you want a roots blower for your truck, I think that's the only choice available...KB doesn't offer a blower for your truck anymore.
Decent torque numbers, but HP numbers aren't great.
IMHO you can expect about 350 lb-ft of torque, and about 245 RWHP based on the few dyno results I've seen for similar setups..maybe a bit more HP with a great tune.
But if you want a roots blower for your truck, I think that's the only choice available...KB doesn't offer a blower for your truck anymore.
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Thanks ****,
I not completely sold on a roots, I have been also looking at Procharger. I know you like yours (I seen alot of your replys). At what rpm do you feel the boost coming on (2000, 2500 3000)? I know I wont be changing my rear grear. At $4000. I would like to get the best all around performance. I like the 8 to 9lbs of boost for Procharger (5.5lbs for Allen). The ad also said no upgrade for more boost with the Allen.
I not completely sold on a roots, I have been also looking at Procharger. I know you like yours (I seen alot of your replys). At what rpm do you feel the boost coming on (2000, 2500 3000)? I know I wont be changing my rear grear. At $4000. I would like to get the best all around performance. I like the 8 to 9lbs of boost for Procharger (5.5lbs for Allen). The ad also said no upgrade for more boost with the Allen.
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Yeah, no more boost from the Allen because the M90 is already overdriven.
My boost gauge isn't hooked up right now but I typically see boost starting at 2000 (very little), a few psi by 2500, and a pretty fast buildup from there on up to the shift point.
I've got a 9psi blower, but with my low-restriction intake I see 10.5psi.
To be honest, most folks prefer the instant power delivery of a roots or twin-screw. I think this is because they aren't used to revving their trucks...and the NPI 5.4 doesn't like to rev in stock trim.
The way I see it, the Procharger gives me a whole new level of power where none exsted before: beyond 3,000 rpm.
My boost gauge isn't hooked up right now but I typically see boost starting at 2000 (very little), a few psi by 2500, and a pretty fast buildup from there on up to the shift point.
I've got a 9psi blower, but with my low-restriction intake I see 10.5psi.
To be honest, most folks prefer the instant power delivery of a roots or twin-screw. I think this is because they aren't used to revving their trucks...and the NPI 5.4 doesn't like to rev in stock trim.
The way I see it, the Procharger gives me a whole new level of power where none exsted before: beyond 3,000 rpm.
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Thanks ****
I understand that most folks dont like to rev high. I'm 45 now and I dont rev my engine much above 5000 very often. Maybe once in a while. I go to work about 5:00 am every morming and I play with a Dodge diesel every once in a while (Its real strong). After your reply I think maybe a roots will work best for my daily driver. I do like the fact of having full boost at 2000 rpm's. My dad loan me a 2003 F150 4.6 4x2 308 gear (dog but better mpg) to use till my has been repaired. I have been watching my rpm's the last week few weeks alot to see the what the normal range is. Its pretty low. I dont think it went above 4000 at all. Most of the time 2000 to 3500. I do run mine a bit harder though. May be a roots is the best for me. I understand that the M90 is over driven, but I did not see many any other's (roots/screw) out their. Do you?
If you were buying a supercharger again, would wou still go procharger? Do you rev high often? Or would you want more torque at lower rpm's?
Thanks for your input. Norm
I understand that most folks dont like to rev high. I'm 45 now and I dont rev my engine much above 5000 very often. Maybe once in a while. I go to work about 5:00 am every morming and I play with a Dodge diesel every once in a while (Its real strong). After your reply I think maybe a roots will work best for my daily driver. I do like the fact of having full boost at 2000 rpm's. My dad loan me a 2003 F150 4.6 4x2 308 gear (dog but better mpg) to use till my has been repaired. I have been watching my rpm's the last week few weeks alot to see the what the normal range is. Its pretty low. I dont think it went above 4000 at all. Most of the time 2000 to 3500. I do run mine a bit harder though. May be a roots is the best for me. I understand that the M90 is over driven, but I did not see many any other's (roots/screw) out their. Do you?
If you were buying a supercharger again, would wou still go procharger? Do you rev high often? Or would you want more torque at lower rpm's?
Thanks for your input. Norm
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Hey is ****! 
The power from 3000rpm to 4000rpm is great - where I see about 6 - 7 psi. I make 410 lb-ft of torque at about 3200rpm. And from 4000rpm to 5000rpm it pulls like a train. My shift point is right at 5100rpm.
The Allen kit will feel very strong, just keep your expectations in check.
And like Johnny says, it's a nice, complete kit, well made.
Unless you can find someone with a Kenne Bell kit that's leftover, or used, I think the Allen is all there is for a roots blower.
The power from 3000rpm to 4000rpm is great - where I see about 6 - 7 psi. I make 410 lb-ft of torque at about 3200rpm. And from 4000rpm to 5000rpm it pulls like a train. My shift point is right at 5100rpm.
The Allen kit will feel very strong, just keep your expectations in check.
And like Johnny says, it's a nice, complete kit, well made.
Unless you can find someone with a Kenne Bell kit that's leftover, or used, I think the Allen is all there is for a roots blower.
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****, Sorry about the name. Pornstar not a bad thing ether. I mean there are worst jobs.
Its sounds like your are very happy with your setup.
I don't think their will be much luck in finding a leftover Kenne Bell. Maybe used, but I'm not sure about buying a used system. I would have to be very careful doing that.
Thank's for your help. Norm
Its sounds like your are very happy with your setup.
I don't think their will be much luck in finding a leftover Kenne Bell. Maybe used, but I'm not sure about buying a used system. I would have to be very careful doing that.
Thank's for your help. Norm
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