im looking at buying a 94 z just for the motor for my t/a. the motor is seriously build but some say the power was fine and it didnt need to be splayed others say it should have on ls1tech. i was gonna get a few more opinions. after motor was build it was driven without a tune and dyno'ed 429rwhp. well after tune is dyno'ed 490rwhp. then on his way home it spun a bearing and lost oil pressure. here the specs

ENGINE
short block 385 cid .040 over with a 3.75 stroke crankshaft
3.75" stroke steel crankshaft / internally balanced
SRP forged Pistons .040 over / sealed power rings
6" Eagle H Beam rods
Canton Oil Pan
Blueprinted and flow tested Oil Pump with canton pickup
ARP main studs

heads, valve-train, intake 2.0 intalke 1.57 exhaust REV stainless valves
ported cylinder heads
Titanium retainers
Comp Cams Pro Magnum 1.6R Rockers
Comp Hi Tech Pushrods 5/16
Manley Guide Plates
Comp Solid Lifters
ARP Pro Series Lifter studs 7/16 -7/16
COMP Solid Roller 248-254 .614-.622 lift with 1.6rr 112LS - 4'advanced
Arp head bolts
ARP main studs
ARP Cam Bolts
Ported intake manifold
Holley 58mm throttle body
30lb / hour injectors
Custom tuned computer by Atlanta Chassis Dyno
Arp balance bolt
ARP headers studs 12 pt.
Hooker Super competition headers - ceramic coated
Mufflex 4inch exhaust system
MSD 6AL ignition
MSD Blaster coil
Meziere Electric Water Pump!

 

i think he wants to know if he needed to 4bolt the main caps.....