coolant crossover pipe bolt sizes
#1
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coolant crossover pipe bolt sizes
Hey guys,
Im looking for some clarification on what size bolts i need for the rear crossover plugs and the front crossover pipe.
Heres some info i found here
LS1 rear coolant bolts (on back of heads) (HFH m6x1x30) = 11516425 (formerly 11514008)
LS1 coolant bolts for front pipe = 12561089
LS1 coolant crossover pipe = 12562169
So are the bolts for the back plugs actually different between the front and back?
And, are these part numbers actually correct? 11516425 and 12561089
And, cant you guys tell me the bolt sizes? m6x1x30 on back? and on front?
thanks
Im looking for some clarification on what size bolts i need for the rear crossover plugs and the front crossover pipe.
Heres some info i found here
LS1 rear coolant bolts (on back of heads) (HFH m6x1x30) = 11516425 (formerly 11514008)
LS1 coolant bolts for front pipe = 12561089
LS1 coolant crossover pipe = 12562169
So are the bolts for the back plugs actually different between the front and back?
And, are these part numbers actually correct? 11516425 and 12561089
And, cant you guys tell me the bolt sizes? m6x1x30 on back? and on front?
thanks
#2
Kleeborp the Moderator™
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The front bolt size is correct - I just measured the stock ones on my LS1 the other day, and that's what I came up with. I've never looked at the rears on mine though, so I can't say for sure if the bolts (or studs as they are on mine) are the same back there, but I can't imagine them being different seeing as how the heads are mass produced - it would make more sense to make the hole diameter, depth, and thread pitches identical front and rear.
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thanks man
ive got 3 30mm bolts and 4 40mm bolts. (measured total length.. thread + head)
might be missing one of the 30's and the 40s look like they will work, but im sure ill need them for something else...
again, thanks for all your help
ive got 3 30mm bolts and 4 40mm bolts. (measured total length.. thread + head)
might be missing one of the 30's and the 40s look like they will work, but im sure ill need them for something else...
again, thanks for all your help