Hi Ive got a 1991 F75 fourtrak with the 2.8 TD engine. I have just got a intercooler from a newer fourtrak. Will I have to do any ajustments to the fuel pump to see a change in peformance? Thanks for any suggestions. Kev

Yes. The intercooler makes t

Yes. The intercooler makes the air going into the engine colder, and therefor denser. This means more oxigen molicules per cc. But if there is no extra fuel this will make no diffrence. You will need to turn the boost fuel up a little.

Any veiws expresed in this thread by me are purely from my own experience, and (sometimes) falible memory. Hope my comments help, but please don't take them as gospel.


Thank you for the reply but how do I turn the boost pressure up?