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View Full Version : Help I.D an SR20 block

Datspar
07-31-2011, 08:55 PM
With it in the car I can't find any casting numbers, only a flat machined pad by the bellhousing stamped with SR20 059627W. Which I assume is a partial VIN off the car it came from. Can anyone help with the I.D? Trying to determine if this is a SR20DE or DET....
JDMRIDDAZ
07-31-2011, 08:56 PM
det has oil and water line holes tapped in the side of the block
na sr20de doesnt
Datspar
07-31-2011, 09:12 PM
Well this one is turbo'd... but it has a 52F head. The lines are all there but I'm not sure if it was modified that way or not. The oil drain port in the bottom of the block looks a little questionable.
Silvia352
07-31-2011, 09:19 PM
it will have both coolant and oil passages on the block as well as the return down low.
ILoveMyRHS13
07-31-2011, 09:21 PM
Look on the underside of the motor, assuming it's completely disassembled. If it has the oil squirters or the holes for them, it's a turbo block, if not, it's NA. Everything else is identical (except for the holes for the turbo lines.)
Datspar
07-31-2011, 09:36 PM
Nope it's in the car and assembled right now. All the oil and coolant lines for the turbo are hooked up and go to the block, but like I said someone could have drilled and tapped those, it's not too hard.
Datspar
08-01-2011, 10:04 AM
So there's a shortblock for sale locally, I can obviously tell whether it's a DET or not, but how do I tell if it's a FWD block or a RWD block? And does it even matter?
Sileighty_85
08-01-2011, 10:48 AM
FWD block will not work and looks totally different from the RWD block
Datspar
08-01-2011, 06:44 PM
FWD block will not work and looks totally different from the RWD block

Can you elaborate...?
TheRealSy90
08-01-2011, 07:01 PM
Bellhousing bolts are completely different.

Motor mounts and bolt locations for the mounts are different.
Sileighty_85
08-01-2011, 07:05 PM
uhhh Googleing must be a lost art

http://i73.photobucket.com/albums/i235/Neil_85/FAST/FWDSR20.jpg
curbhuggerrps13
08-01-2011, 07:07 PM
that ...or common sense?
Datspar
08-01-2011, 08:34 PM
Not seeing much difference?


And sorry for being new to SR20's...
fliprayzin240sx
08-01-2011, 08:57 PM
See the hole for the starter? Thats a FWD SR, similar to the KA, starter bolts to the block. There isnt a hole like that on a RWD SR. The starter bolts directly to the transmission bellhousing.
Datspar
08-01-2011, 09:24 PM
Ah, ok easy enough.