JGYCustoms Project Cars/Current Customer's Cars


Mr. X's N.A. High Output Build


Starting with a 1994 SR20DE


Getting taken apart


Head off of the block


Dirty, but good shape


Head is in good shape, just dirty


Valve job completed


Greddy valve springs installed

crank in pristine shape
Crank is in pristine shape for a rebuild

block torn down
Block is torn down and ready for boring

main caps are in great shape
Main caps are in great shape

JGY Sleeves Installed
JGY sleeves installed

bored to 90mm
Bored with the JGY torque plate to 90mm

No chamfer
No chamfer on cylinder lips (another JGY specialty)

block prepped for engine room building
Block is prepped for engine room building

nice looking de powerhouse
Nice looking DE power house

crankshaft cleaned and prepped
Crankshaft cleaned and prepped for block

crank installed into block
Crank installed into block with Nissan bearings

crank installed

crank installed

unloading car for dyno
Unloading car, then dyno to get base numbers BEFORE motor swap (before and after specs)