No sumcheck code in a '95 MEMCAL

[Mike Fahrion]

>> >I don't think so far (for the f-bodys) that anyone is reprogramming
>> >any of the ODB II computers (96+), they almost always seem to replace
>> >the 96 compuer with a 95 computer before even trying to reprogram it.
>>
>> Well, Hypertech has the Power Programmer, JET also has a programmer for
the
>> OBD_II ECM's.
>> Problem is, you're limited on changes to what they put in the programmer
>> and custom programming (Only offered by hypertech so far) is expensive.
>>
>
>So far the hypertech stuff does not change anything useful just fans
>on, shift points and misc. other stuff. I don't think they do anything
>much with fuel, and that is generally where the big gains are.


Rumor is that Steve Cole of The Turbo Shop is reprogramming LS1 PCM's.

-mike