rspears9

i just sold my forged 96 cobra,i thought i would try a 95 z28,but it needs rebuilt,so im getting everything from summit in a kit,ive heard several problems with these cars,the opti spark for one.so what is the most common of things that go down on these cars besides this.and i need a good part# for the mellin oil pump.1 # i found was 10554,is this right,i read in here that the hv was not good for this car.any advice will help.

C_Rules

iTrader: (7)

get a datalogger and tuning software. these are crucial to getting the lt1 running right. if your serious about making a performer out of you car make sure you have those two things.

StealthFormula

iTrader: (35)

They leak like a bitch and the most common spot seems to be the back of the intake manifold and as you already know the opti is quite sensitive.

exodus

iTrader: (15)

I am also a beginner to the LT1. Trying to learn basics of these cars as well.

ThoR294

iTrader: (6)

TLCC setup gets rid of the silly opti spark. rear main seal likes to leak a lot too

halucinator

iTrader: (3)

Rear main seal is a problem on a lot of cars if not done properly.

ThoR294

iTrader: (6)

haha. well every LT1 ive had/seen always has a rear main leak

squeals99

iTrader: (8)

yep my rear main seal, oil pan gasket, and about everywhere holding oil seems to leak just a little, but i only have to add about a half a quart between changes... but i just did an opti swap and it wasn't fun... just a word to the wise, make sure and mark on the block, spline, and back of the opti all of where the shaft goes because if not, you are pretty well screwed because that shaft feels like it can go in any way, although it only really does go in one way... so be careful on that... also, make sure the oil pressure is good because i have heard of tons of oil pressure problems, like where the pressure surges at WOT and just does crazy stuff like that...but other than the known problems, they seem to be good cars

sdm1234

iTrader: (8)

why did you sell your '96 cobra? and the motor was forged? it's almost like you downgraded haha.

ThoR294

iTrader: (6)

maybe downgraded, but till he mods his current car... its a huge upgrade =p

sdm1234

iTrader: (8)

i dont know... a forged 24-valve still sounds superior to me... it can handle quite a bit of stress and boost, if needed, too. the LT1 is a great motor; don't get me wrong. but, it just still seems a little outdated compared to a modular, forged, DOHC motor... now, an LS1, on the other hand, is a different story...

ThoR294

iTrader: (6)

pfft. 427 cobra jet sounds more fun