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Fri Feb 27, 2004 8:19 am

Did anyone built a stroker engine based on 85.5 mm forged Mahle pistons and a stroker crank with a 82 or 84 mm stroke? Is this possible or would I run into piston length problems? I think this would be a good setup, (lots of torque and good cylinder cooling) for a Thing. One could add a Bugget Turbo System and therfore leave the heads pretty much stock. (more material, stronger and cooler head). What do you think, am I just dreaming? All inputs are welcome!

Greetings Dominique 8)

Fri Feb 27, 2004 8:25 am

I know Ronnie in AZ just built an 85.5 X 82 motor.

I personally would run as big of a bore as possible, since it allows for more headwork/larger valves. This is just my opinion though.

Fri Feb 27, 2004 10:17 am

I've often wondered about a stroker crank with stock cylinders and heads myself. Don't have the kind of money necessary to experiment though. I'd be interested in hearing experiences too.

Fri Feb 27, 2004 11:07 am

Yeah you can stroke and keep the stock size bore... HVW's did a test bed Bus engine not too long ago and had an update article on how it was doing a few months ago.

I think it was only 78 stroke though. since 85.5's don't come in "B" configuration.. ( or do they?) I think to go bigger that 78 would take some tricky machine work/ rod length?

Eric, any way you can get some more info on that engine "Ronnie" built up?

Fri Feb 27, 2004 11:20 am

http://www.thesamba.com/vw/forum/viewtopic.php?t=64031

Tue Mar 02, 2004 4:39 pm

Man am I glad I ran across this!!! :lol: :D This topic of building a torque monster has been rolling around in my head for some time.

I've been wanting a motor upgrade for my 68 Squareback. But bottom-end torque is more important to me than top-end speed. (I rarely do 75mph, in my Wrangler. 65 is typical.)

So what do you guys think of such a motor in a Square?
Any Other suggestions?