MTM chip

[Mihnea Cotet]

Jerry et al,

I'm not sure the ignition is the problem here, if you unscrewed the WG to
"only" 20 psi (this means roughly 1.3 Bar) how much were you running
before? Don't you know the stock turbo is at its limits with 1.5 Bar
overboost, nevermind continuous pressure? I think this is rather a turbo/IC
size causing way too hot temps rather than an ignition issue, Claus was
having ignition surging at 1.7 Bar with his 3B on the other side, which,
for the stock K24 is just too much. I guess people will have to make a
choice here and choose wether they want the K24's driveability or increased
top end... I, for one, will go either the K26/27 hybrid or the RS2 route,
the K24 is just way too small for me, or otherwise I'll end up installing
an IC as big as the car :-))) Furthermore, the stock 3B ignition doesn't
give a damn about the manifold pressure as the system relies on the MAF
only.... The MAP sensor is only used to control the WGFV in these ECUs FWIW.

HTH somehow,

Mihnea

At 14:28 21/10/2002 -0400, Jerald S. Beer wrote:

>Taka
>   I agree about ignition being a problem with the 3B. I have Ned's older
>Stage III setup with 2.5 bar PT. At high boost/heat, I have had a
>constant problem of the car "backing off". I adjusted the WG to run
>"only" 20 psi to solve the problem. I just added an MSD and early
>returns are the problem has gone away, even with turning up the boost.
>Regards,
>Jerry
>91 200qa
>
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