How much lag can you deal with?
Just a bit of fun, How much turbo lag can you deal with on your 951?
all at 1bar / 14.5 psi. |
My car is a dedicated track car so not really driven under 3500 rpm.
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I am always racing so the RPM's are always at 6500
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I think it depends on the power output youre looking for.
I'd say full boost at 4000-4300 rpm is acceptable if you're making 450-500hp, but totally unacceptable to make 300hp. |
Don't mind a little lag, as long as it pulls hard to redline
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No Lag and big HP. That is what I like :)
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Originally Posted by lee101315
(Post 9922266)
I think it depends on the power output youre looking for.
I'd say full boost at 4000-4300 rpm is acceptable if you're making 450-500hp, but totally unacceptable to make 300hp. |
with a 8k rpm limit i think 4 is ok
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I voted based on 25psi. :)
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With a 2.5 sub 3500. Stroked engine sub 4k
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Originally Posted by MooreBoost
(Post 9923051)
with a 8k rpm limit i think 4 is ok
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Originally Posted by Paulyy
(Post 9923527)
Lighter bottom end, dry sump & solid lifters? Geez a lot of rpm
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On 2.5 and leaking headers I had 1 bar at 3600 and now 2.8 is about 3200. As the weather cools I expect sub 3000 for 1 bar.
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my 60-1 hits one bar at around 4100
Little laggier than I'd like, at least I get decent gas mileage... |
4000 with all of my builds
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Originally Posted by Reimu
(Post 9924183)
my 60-1 hits one bar at around 4100
Little laggier than I'd like, at least I get decent gas mileage... |
Originally Posted by Reimu
(Post 9924183)
my 60-1 hits one bar at around 4100
Little laggier than I'd like, at least I get decent gas mileage... Sounds like you have some boost leaks. |
Originally Posted by Paulyy
(Post 9924887)
Hope you're making some big power with that lag, or it's pretty useless IMO
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Originally Posted by dnovak
(Post 9922307)
No Lag and big HP. That is what I like :)
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To this day I have no idea what lag is. If you have lag you are in the wrong gear.
If you have 1 bar at 3500 then you should be at 3500 when you nail the throttle. Pretty simple. If you are in 5th gear at 50 mph and expect to pull hard then you should get a mini van. Because in a performance situation you have no business driving at 2500 rpm. |
Originally Posted by toddk911
(Post 9927169)
To this day I have no idea what lag is. If you have lag you are in the wrong gear.
If you have 1 bar at 3500 then you should be at 3500 when you nail the throttle. Pretty simple. |
You mean permanent lag
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I like my turbos on the laggy side and specifically, I love the old K27/8 turbos characteristics. I love it when its nothing, nothing, nothing, and 3500rpm comes around and it goes BOOM, wheel spin and all. And again, if you're on the highway, drop it to 3rd and go!
I have a Boxster with a 911 engine that has an instant response coming out of slow corners, but its still boring compared to the 951 on the highway. |
Originally Posted by lee101315
(Post 9927082)
So then you guys better start working on installing some big block V-8s!
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Originally Posted by robstah
(Post 9927411)
Where's the poll option for no lag? ;)
I tried to edit it but i can't. |
I've smoked so many V8's its not even funny but I haven't had the pleasure yet of smoking a V8 swapped 944. Its only a matter of time. ;)
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Originally Posted by toddk911
(Post 9930052)
I've smoked so many V8's its not even funny but I haven't had the pleasure yet of smoking a V8 swapped 944. Its only a matter of time. ;)
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