Mag top speed?
Thread Starter
Burning Brakes
Joined: Feb 2000
Posts: 1,247
Likes: 2
From: Parker, Colorado, USofA
Mag top speed?
With the 98 A4 nearly stock, it pulled to 168 in a looooong deserted stretch of Nevada highway. What's that add'l 50% let you pull to with an IC maggie? (and how squirrily does it get? 168 was noisy, but pretty sedate)
Burning Brakes
Joined: Jun 2003
Posts: 840
Likes: 1
From: Tattood up and broke as F**K nc
I read about a guy in Nevada with a non-IC Mag who went to 180mph shifting INTO 6th then popped the motor. I guess the tune was off and it went a bit lean at the top of 5th gear. So id guess (with enough room) 200mph--ish??
Thread Starter
Burning Brakes
Joined: Feb 2000
Posts: 1,247
Likes: 2
From: Parker, Colorado, USofA
Originally Posted by vettewreck
I read about a guy in Nevada with a non-IC Mag who went to 180mph shifting INTO 6th then popped the motor. I guess the tune was off and it went a bit lean at the top of 5th gear. So id guess (with enough room) 200mph--ish??
So I guess high 180's - low 190's, if the tune was right, and things didn't get too hot.
I guess that's the other question: Can a Maggie handle long term WOT for minutes at a time?
Melting Slicks
Joined: Jul 2004
Posts: 2,181
Likes: 736
From: Kitchener Ontario
The new Vette also has a better coefficient of drag which is helping it big time.
An IC Mag on an LS6will make more than 500 bhp as well, some guy are pushing(or already at) 500 RWHP.
An IC Mag on an LS6will make more than 500 bhp as well, some guy are pushing(or already at) 500 RWHP.
Racer
Joined: Jun 2004
Posts: 487
Likes: 0
From: bowie md
Originally Posted by K-TownMike
The new Vette also has a better coefficient of drag which is helping it big time.
An IC Mag on an LS6will make more than 500 bhp as well, some guy are pushing(or already at) 500 RWHP.
An IC Mag on an LS6will make more than 500 bhp as well, some guy are pushing(or already at) 500 RWHP.
There is not that much of a difference in drag coefficient. .29 vs .28x, which rounds up to .29. What makes the difference is the 50 extra bhp and the stronger TQ curve generated bt the LS2.
And I was saying 500 bhp on a stock Ls1 application, which I was using as a baseline.
BTW, The Lingenfelter 450 bhp LS1 engine was tested at a top speed of 190.
The IC Mag will most probably hit 200 mph, trust me.
Last edited by c5_from_jc; Sep 13, 2004 at 10:22 PM.
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Thread Starter
Burning Brakes
Joined: Feb 2000
Posts: 1,247
Likes: 2
From: Parker, Colorado, USofA
Originally Posted by c5_from_jc
I beleive the IC Mag can get very close to 200 mph top speed. With 400 bhp the new vette hits 185. The IC Mag is at 500 bhp.
Safety Car
Joined: Mar 2002
Posts: 3,556
Likes: 2
Your bigger limit is your redline.
I think an MN6 with 3.42's 5th gear works out to 175mph around 6,000 rpms. W/O raising your fuel cutoff, I think it would be hard to get much over 180, even if you have the power to do it. Also, I've heard the mags run out of steam in the upper rpms (6000++) compared to some other blowers. Not sure, wish I had my gearing calculator handy...
I think an MN6 with 3.42's 5th gear works out to 175mph around 6,000 rpms. W/O raising your fuel cutoff, I think it would be hard to get much over 180, even if you have the power to do it. Also, I've heard the mags run out of steam in the upper rpms (6000++) compared to some other blowers. Not sure, wish I had my gearing calculator handy...