There was a mid year change in 2004 for intake gaskets on these engines , don't know if you have seen the TSB on this or not Chris, but it is below , Intake gaskets on the early 8.1's were...

You will like that cam setup , I have used a few , been playing with the 8.1 for a while now and it is a very good swap and power increase for an upgrade. Ray and Larry offer great parts and...

3.42 is the highest (Numerically lowest) gear available for the 14FF

How about an Allison 1000 series and keep the 4.10's ? Works fantastic in my 8.1/Allison 2001 3500 Dually :happy:

Allison...

NICE :rockon:

TOM

Interested in shipping the L31 ? P/M me if so , might be Interested.

Good find on the 8.1 , I have a few , seems not many really want them up here , nor do they realize their potential .

TOM

Nice :rockon:

Ordered up the blade and you are correct , I use the old 4 bolt mount with a Hayden Severe duty clutch , so I will probably just swap the blade out .

Thanks for the info .

Oh...

Chris ,

More info on the Duramax fan and Trailblazer clutch please ?

Possible upgrade for my BBC tow rig ??

Thanks

TOM