Life begins at 1 bar!

Discussion pertaining to positive pressure E28s.
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T_C_D
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Life begins at 1 bar!

Post by T_C_D »

So the 535is has been running 9psi since 5erFest. I have been driving it daily. The 325i has been sitting and today gets delivered to it's new Owner. I finally found the time to install a 255lph fuel pump in the 535is and install a 1 bar wastegate spring.

Holy shit! Nothing like adding 75rwhp to a car to wake it up! Man I love that car now! 40mph roll on burnouts with 255s! Gotta love it.

Todd
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rundatrack
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Post by rundatrack »

you have any pics of the new vehicles?
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russc
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Post by russc »

How about some datalogs? That would be interesting.

Mines never been able to do roll on burnouts with the 245s. But I didn't try real hard either.

Does sound powerfull.

RussC
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gol10dr1
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Post by gol10dr1 »

i spun the tires on my car at 85 mph today in 4th gear! :banana: see my new thread for details!
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russc
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Post by russc »

gol10dr1 wrote:i spun the tires on my car at 85 mph today in 4th gear! :banana: see my new thread for details!
Hurry up with that new thread...

RussC
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Duke
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Post by Duke »

Great news Todd.....................NOW GET TO WORK ON MY CAR!

You need to go to 20 psi and install water injection. Otherwise, you will be playing catch-up.
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claylake
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wastegate spring

Post by claylake »

" 1 bar wastegate spring" I wish I had a 1 bar wastegate spring. Hint, Hint, nudge, nudge. :help:
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Kyle in NO
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Post by Kyle in NO »

Why is everyone else's car badass and mine just runs like shit???? :(
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T_C_D
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Post by T_C_D »

Kyle in NO wrote:Why is everyone else's car badass and mine just runs like shit???? :(
Cause you are non intercooled in one of the hottest and most humid places in the Western Hemisphere! :bawl:

What's it doing wrong?

Todd
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gol10dr1
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Post by gol10dr1 »

Kyle in NO wrote:Why is everyone else's car badass and mine just runs like shit???? :(
i use to have the S1 kit set at 5 psi with shitty stock plug wires and a carbon covered rotor.......i feel your pain buddy!
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Kyle in NO
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Post by Kyle in NO »

lol, I think I may have a bad airflow meter. I will play around with it when I get it over to my new house...

BTW, I disconnected the O2 sensor the other night, and nearly all of my drivability problems went away...go figure. Sometimes its just the Motronic up to its old tricks...I'll be swapping the AFM and see what happens.
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russc
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Post by russc »

Kyle in NO wrote:lol, I think I may have a bad airflow meter. I will play around with it when I get it over to my new house...

BTW, I disconnected the O2 sensor the other night, and nearly all of my drivability problems went away...go figure. Sometimes its just the Motronic up to its old tricks...I'll be swapping the AFM and see what happens.
That can make sense. Disconnecting the O2 will run open loop, and just run from maps. W/O adaptation running, your car will run as it was intended at the factory, but probably either rich or lean. The only issue is if its runing lean with boost, but your FMU should take car of that.

Sounds like a bad O2 or sensor in the system.

RussC
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Bill in MN
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Post by Bill in MN »

Kyle

I had a pile of issues with my motor until I realized the harness was shot. Mine did all kinds of wierd things, ran like shit, ran great, didn't run at all....you name it.

Take the time and check the wiring. Mine looked just fine but I found two breaks in the 02 sensor wires buried deep in the harness.
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T_C_D
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Post by T_C_D »

You know? It's 90F and the car runs perfect and still kills the tires at 40mph! Going with a SEM MS system is the best thing I have done to the car since turbocharging it! Totally amazing results in the hands of a good tuner! :banana:

Todd
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Skeen
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Post by Skeen »

T_C_D wrote:Totally amazing results in the hands of a good tuner! :banana:
Quoted for emphasis.
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russc
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Post by russc »

T_C_D wrote:You know? It's 90F and the car runs perfect and still kills the tires at 40mph! Going with a SEM MS system is the best thing I have done to the car since turbocharging it! Totally amazing results in the hands of a good tuner! :banana:

Todd
What is "SEM"? I know what MS is.

RussC
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T_C_D
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Post by T_C_D »

russc wrote: What is "SEM"? I know what MS is.

RussC
Seaboard Engine Management (Peter Florance)

This is the company supplying our systems.
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