Haans249

iTrader: (24)

Can someone post up side by side pics, and tell what the differences are between the two rails?

Thanks!
Adrian

SweetS10V8

iTrader: (4)

The LS3s are the same as LS2s.

The LS7s are much wider...The injectors are farther apart.

t/a98

iTrader: (6)

i believe they are the same part number, maybe someone will chime in, im pretty certain there are no difference in the two...

not sure how the injectors could be any farther apart, the valves are farther apart, not the actual runner.... plus the engines are all the same size, cant move them any farther away from each other.....

Black02SLPSS

iTrader: (5)

The engines may be the same size but the heads are different. Especially the LS7 heads. Since the ls7 has unique heads from the other ls engines they could have cast the injector ports in a different place than on the ls3 heads for example. Im not sure if they are different or not, but if they are different that would be my thoughts on why

SweetS10V8

iTrader: (4)

I am 100% sure they are different, Ill get you a picture today....I have both fuel rails laying around somewhere.

All you have to do is look at a stock LS7 intake, its low and flat compared to the LS3.

Haans249

iTrader: (24)

A picture is worth a thousand words

SweetS10V8

iTrader: (4)

I got busy today and forgot....Ill try again tommorow!

PUNISHER TA

iTrader: (13)

i have a LS7 fuel rail, i could take pics of it next to LS1... If that helps...