3B engine replacement options for "Deerslayer" Frankenmotor

Ben Swann benswann at verizon.net
Mon Sep 6 06:29:06 PDT 2010


Basic mock up on stand has no clearance issues with 20V head.  The pistons just don't
have the recesses, and they are not forged AFAIK, but I don't know if that is a big
problem or not for moderate power - under 350 HP/350lb-ft Torque.
 
Ben

  _____  

From: NIck Miller [mailto:chance9121 at gmail.com] 
Sent: Sunday, September 05, 2010 5:06 PM
To: Ben Swann
Cc: 200q20V mailing list; quattro at audifans.com; s-car-list at audifans.com
Subject: Re: 3B engine replacement options for "Deerslayer" Frankenmotor


Hey been, you should probably drop this by the guys at motorgeek. I don't believe the
domed pistons from the 10v block will work out with the 3b head, I haven't done any
looking for a long while but I believe that the deck height and the way the combustion
chambers are done you need very different pistons between a 20v block (3b or AAN) and a
10v. 

You may check out a thread "20v on the cheap" at motorgeek, some guy figured out the
needed parts to use an MC block and 7a head, then turbo'd it. using pistons from
something else as well.

Either way, can't you just measure the distance from the deck to the top of one of the
pistons, and then figure out if that will work with the head? Such as you have a blown
3b, so if the distance from the deck to the piston is similar, then it should be within
the realm of possiblity, no?



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