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Motorsports & Track Forum
From Auto-X to Trackday to Racing and Professional Motorsports this is the place to discuss making BMWs fast

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Old 09-12-2005, 02:11 AM   #21
MrBlonde
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Quote:
Originally Posted by vaio76109
There's no replacement for displacement though.
Yes there is .. a pump.
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Old 09-12-2005, 02:15 AM   #22
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Originally Posted by vaio76109
There's no replacement for displacement though.
yes there is... turbo!
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Old 09-12-2005, 02:21 AM   #23
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Too much lag or too much perastaltic loss/drag.
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Old 09-12-2005, 02:27 AM   #24
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smaller turbos = less lag
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Old 09-12-2005, 02:35 AM   #25
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Originally Posted by SLEEP3R
smaller turbos = less lag
...and less power. In the end displacement rules.
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Old 09-12-2005, 02:42 AM   #26
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Originally Posted by vaio76109
...and less power. In the end displacement rules.
not necessarily, with tuning and chip you could be pushing an added 100 hp.
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Old 09-12-2005, 02:45 AM   #27
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Your missing the point though. Your using a turbo(or SC) just to merely catch up to the extra C.I./C.C. . Then you have problems with lag(or perastaltic loss/drag) so you go with a smaller turbo, then once again your behind the bigger motor.
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Old 09-12-2005, 02:45 AM   #28
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but IMO NA > FI
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Old 09-12-2005, 02:46 AM   #29
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but IMO NA > FI
And after all that
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Old 09-12-2005, 04:33 AM   #30
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Originally Posted by vaio76109
...and less power. In the end displacement rules.
Is that why everyone with a fast BMW has a Cummins Diesel in it?

Hehe, welcome to 1950s thinking! Wake up and smell the ball bearing turbos!
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Old 09-12-2005, 11:39 AM   #31
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Originally Posted by MrBlonde
Is that why everyone with a fast BMW has a Cummins Diesel in it?

Hehe, welcome to 1950s thinking! Wake up and smell the ball bearing turbos!
Wake up and smell the lag!
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Old 09-12-2005, 07:57 PM   #32
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Originally Posted by vaio76109
Wake up and smell the lag!
You're behind the times old chap. Ball bearing turbos and decent matching will result in negligible lag. And at a turbo car's laggiest point, it's still making more power and torque than it's NA equivalent.

The days of big block Chevs ruling the streets is long gone. Unless they have two pumps on them!
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Old 09-12-2005, 08:05 PM   #33
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Originally Posted by MrBlonde
You're behind the times old chap. Ball bearing turbos and decent matching will result in negligible lag. And at a turbo car's laggiest point, it's still making more power and torque than it's NA equivalent.

The days of big block Chevs ruling the streets is long gone. Unless they have two pumps on them!
Omg, you just dont get the point do you?

PS-chevys and ford still rule the streets(power wise)....in america atleast.
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Old 09-13-2005, 08:31 PM   #34
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Omg, you just dont get the point do you?

PS-chevys and ford still rule the streets(power wise)....in america atleast.
Maybe not, but my BMW is faster than yours sweety!
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Old 09-13-2005, 09:23 PM   #35
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Originally Posted by white01325
yes, hell mike benvo, has a 330 with cams, pulleys, 3.46 diff, shark, intake, exhaust, and he stayed with and m3 at the last meet so picture a sced 330, with im gunna guess here like 325, conservative estimate, depends on the amount of boost you want to go with so yes it could easily beat an m3.
Ummm.... intake? shark? He is sc'd!!! And running 9.5 pounds of boost. He would smoke a stock M3.
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Old 09-13-2005, 09:26 PM   #36
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No time slip so you don't wana hear it but I run a 13.8 with 7psi.

After my cams, headers, and cat-back exhaust. It should be near 13.
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Old 09-13-2005, 09:34 PM   #37
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Maybe not, but my BMW is faster than yours sweety!
Yea, and my dad can beat up your dad

Quote:
Originally Posted by Mteknic330ci
Ummm.... intake? shark? He is sc'd!!! And running 9.5 pounds of boost. He would smoke a stock M3.
That post is 8 months old, his car probably wasnt SC'ed back then.
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Old 09-14-2005, 07:40 AM   #38
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Quote:
Originally Posted by vaio76109
Yea, and my dad can beat up your dad


That post is 8 months old, his car probably wasnt SC'ed back then.
i ran a 13.88 last week
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Old 09-14-2005, 12:38 PM   #39
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Originally Posted by Mteknic330ci
Ummm.... intake? shark? He is sc'd!!! And running 9.5 pounds of boost. He would smoke a stock M3.
yup, Mike Benvo is supercharged. Last I saw he was at 9.5psi, but might be higher now. I have no idea what his current differential ratio is. He has been as high as 3.64. He is also putting down 320+hp at the wheels (not the crank). I don't know what he was putting down when you saw him run.
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Old 09-14-2005, 06:53 PM   #40
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Originally Posted by vaio76109
Yea, and my dad can beat up your dad
If you don't care about performance, then quit posting in the motorsports, racing and track forum inside a quarter mile thread!

Forced induction is an alternative to big cube NA engines, that's all their is to it. It's been proven over and over again. The issue of lag with turbos is a myth, perpetuated only by those who have never owned a turbocharged car.
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See the E46F Drag Racing Standings List for BMW street cars. Watch my drag racing movies on YouTube.

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