It's not that he doesn't work on RSTs, its that he used to use Ahmed to map Webber stuff, and Ahmed has gone back to Ford full time, so it is very difficult for him to get Ahmed to do this anymore. In view of this, he now only does Pectel ECUs.
If you want to stick with the L8, then Martin Hadland can now do this (and on his rolling road). Call him on 01214 586 010

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