Does Gearing favor a centrifugal over a PD blower?
08-22-2014, 12:27 PM
#21
Le Mans Master
Agree 
Someone already said the magical words "Usable Power"
No need to add 200ft lbs of TQ at 2,000rpm to a car that already has no issues turning a set of tires into smoke stock.
Street Car: how often is it being floored below 2,500rpm? Not often. (Drop down a gear, and GO!)
Drag Car: again, nobody really launches a car at idle speed. can't beat the top end pull of a centri blower, and the lack of heat soak.
Mile Car: again lack of heat soak, and top end power wins
Road Race Car: its always up in the RPMs, HP and lack of heat soak win
Take two vettes on similar power numbers/boost. (One roots, one Centri) And run them at the track, its pretty simple which one usually wins, and then hot lap them, and see what happens. Or drive them strait to the track, and run them with no cool down. (just as if you would out on the street)
Wanna do burnouts = Roots blower
Wanna go fast, with less stress on the motor = Centri blower
Might be a bit biased 
Someone already said the magical words "Usable Power" No need to add 200ft lbs of TQ at 2,000rpm to a car that already has no issues turning a set of tires into smoke stock.
Street Car: how often is it being floored below 2,500rpm? Not often. (Drop down a gear, and GO!)
Drag Car: again, nobody really launches a car at idle speed. can't beat the top end pull of a centri blower, and the lack of heat soak.
Mile Car: again lack of heat soak, and top end power wins
Road Race Car: its always up in the RPMs, HP and lack of heat soak win
Take two vettes on similar power numbers/boost. (One roots, one Centri) And run them at the track, its pretty simple which one usually wins, and then hot lap them, and see what happens. Or drive them strait to the track, and run them with no cool down. (just as if you would out on the street)
Wanna do burnouts = Roots blower
Wanna go fast, with less stress on the motor = Centri blower
Might be a bit biased
08-22-2014, 12:36 PM
#22
Team Owner
I think that one looks like the worst of the bunch. A bunch of exhaust piping running around in the engine bay is the last thing I want in a daily driver. Race car, ok, street car, no thanks. Only way I would do turbos if they are in a place meant to be hot, like where the factory cats are.
08-22-2014, 08:36 PM
#24
Melting Slicks
Member Since: Mar 2007
Location: Santa Barbara CA
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I think that one looks like the worst of the bunch. A bunch of exhaust piping running around in the engine bay is the last thing I want in a daily driver. Race car, ok, street car, no thanks. Only way I would do turbos if they are in a place meant to be hot, like where the factory cats are.
08-22-2014, 09:00 PM
#25
Le Mans Master
Well, I guess it's either that or having the turbos stuffed into an area that is really hard to access/service. I've heard the TTi kits are a major PITA to do anything turbo related on. Really no great solutions for these cars. I get my turbo fix on my N54 car. I'll stick to blowers on the corvettes.
08-23-2014, 09:20 AM
#26
Team Owner
Well, I guess it's either that or having the turbos stuffed into an area that is really hard to access/service. I've heard the TTi kits are a major PITA to do anything turbo related on. Really no great solutions for these cars. I get my turbo fix on my N54 car. I'll stick to blowers on the corvettes.
Now on a camaro or mustang, different story. Plenty of room, can fit good size turbos with no issues, easy to plumb.
08-27-2014, 10:59 AM
#27
That email will go to myself directly.
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