Mark Stephens ?
 

Has anyone had any experience with MARK STEPHEN'S HIGH PERFORMANCE?
Than have a new web page and i was wondering about there 2.7l kit.
Will the 2.0 hold up, and also how would it perform on the street.
Please advise! Thanks

i bought a set of heads for a vanagon, p/c's, other items for a rebuild. no problems encountered. seemed to be nice and helpful.

In my experience they tend to err on the side of caution. In fact even at that point of a build up they are cautious. I would call them and talk to Mark and tell him that ou have some mixed feelings and I'm sure they will help you out. They are VERY customer friendly.~MARK

For what it's worth, I seriously doubt a 2.7L 914 motor would be very durable for daily driving. Fun, HECK yeah! But not for all that long...

--DD

I'd say anything over 2.2 maybe 2.4L you also have to look into non-stock cooling. I.E. a big honkin' oil cooler, with a inline thermostat. Also either a upright 911 type shroud or an electric vertical fan setup (good luck finding one of these with an alternator backet).

I agree with DD, the MS 2.7L and Fat's 2.8L are not long lived motors. I dunno ask Mark how long they usally last.

I have bought a couple of heads from them for my 914, and they seemed very helpful, and the heads were spotless when I got them and are still going strong to the day. A heard someone say something about a fan shroud? Well I think it is the 914 network that has a horizontal fan setup, real cool stuff, it is like the 917 fan. I remember a disclaimer about fitting with stock fuel injection, but give them a call anyway? They advertise on dgi.net/914