jdoyle

iTrader: (27)

Quick and simple question:

'99 F-Body

Anyone run a LS6 Valley Cover (GM Part # 12568002), Intake Manifold, and stock 4 way coolant crossover pipes on their F-Body?

I need to know if the LS6 Valley Cover will work with the LS6 Intake Manifold and stock 4 way coolant crossover pipes.

Also, is there a torque spec for the coolant crossover pipes? 106 in. lb.?

Thank you for the help,
Jason Doyle

P.S. I have searched and have yet to find anything substantial. The only thing I found was talking about doing some grinding on the intake so the crossover pipes fit better.

jdoyle

iTrader: (27)

bump. Is this a stupid question or something?

quik01ss

iTrader: (24)

i have looked at my brothers coolant lines and he has the same you are talking about all 4 corners connected and saw my friends ls6 valley cover.
what i would be worried about is the raised circles on the ls6 valley cover. unlike the ls1 valley cover it is all flat and the coolant pipes run very close to the top of it. although i dont know if some of those raised circles will interfer with the pipes

boostedgtp

iTrader: (5)

I just swapped the ls6 intake on my 00 SS and I dont think the 4way coolant tube will work. It was tight just getting the knock sensor wires to stay flat.

-Carl

jdoyle

iTrader: (27)

thanks for the help guys, keep those responses coming!

jdoyle

iTrader: (27)

Carl,

I found that grinding on some of the bottom parts of the LS6 intake helped to give the coolant crossover pipes and knock sensor harness room to move around. At first, I taped the harness to the valley cover but that still allowed the harness to rub on the intake/valley cover and become exposed to the elements. I now have the harness zip-tied to the coolant crossover pipes with the bottom of the intake ground down. So far so good.

Thank you for the help though.

I could also see how some people would wanna stay away from grinding on their $300+ intake manifold.

jdoyle

iTrader: (27)

bump for the morning

jdoyle

iTrader: (27)

bumpity

Soul TKR

iTrader: (4)

grinding the bottom of the LS6 intake will leave you enough room for those coolant tubes... i have the same coolant lines on my TA with my BBK Intake and it fits fine...

PS... didn't Six Speeds Inc go outa business?

jdoyle

iTrader: (27)

you know if the LS6 valley cover and the stock four way coolant crossover tubes are compatible? Do you know if you have to run the newer style coolant crossovers to get the LS6 valley cover to fit?\

Yes, SSI went out of business.

Soul TKR

iTrader: (4)

now that I do not know... sorry

jdoyle

iTrader: (27)

it's all good man, thanks anyways for the help.

jdoyle

iTrader: (27)

bumpity

jdoyle

iTrader: (27)

bumpity

Mike94ZLT1

iTrader: (3)

You're fine. I ran the old style crossover with an LS6 intake (fins ground down) with an LS6 valley cover for quite some time.

dub.ya.es.SICK

iTrader: (3)

sounds good! i converted

jdoyle

iTrader: (27)

bump. question rephrased. may yield diff. results

Mike94ZLT1

iTrader: (3)

Yes, it will work. I did an LS6 PCV conversion on my old LS1, and ran the LS6 valley cover, along with a modified LS6 intake (fins ground down) and the old style LS1 coolant crossover.

jdoyle

iTrader: (27)

fa sho fa sho. Cool man thanks for the help. I am glad I get to keep that extra sixty bucks in my pocket!

jdoyle

iTrader: (27)

bumpppp