Darton MID block guys inside......
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Darton MID block guys inside......
Need to know what head gaskets, studs/bolts, and tq specs you guys are using/running?
Ive got probally 2000 miles on my setup and just started dialing the n2o in and ran into a problem. On the bottle it was shooting coolant out the overflow. Did a leakdown test on it and both sides were leaking. Not sure if its a block problem? head gaskets? studs?
Im am using .053 Cometic's that are made for the Darton MID blocks and used permatex adhesive on the gaskets per MTI's instructions. The block is studded and I torqued the studs too 75 foot pounds.
Really curious what others are running and what is holding up. Ive got another set of Cometic's but a little leary of trying them again.
Ive got probally 2000 miles on my setup and just started dialing the n2o in and ran into a problem. On the bottle it was shooting coolant out the overflow. Did a leakdown test on it and both sides were leaking. Not sure if its a block problem? head gaskets? studs?
Im am using .053 Cometic's that are made for the Darton MID blocks and used permatex adhesive on the gaskets per MTI's instructions. The block is studded and I torqued the studs too 75 foot pounds.
Really curious what others are running and what is holding up. Ive got another set of Cometic's but a little leary of trying them again.
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Originally Posted by CANNIBAL
Did you re-torque the headstuds after an initial break-in period?
I'm willing to bet the headgaskets are the issue in this scenario.
I'm willing to bet the headgaskets are the issue in this scenario.
No I did not re-torque the headstuds. I wasnt aware that was necessary, and yes I put the heads on
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Originally Posted by DOC OTIS
No I did not re-torque the headstuds. I wasnt aware that was necessary, and yes I put the heads on
#6
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Originally Posted by cyphur_traq
Yea, ARP bolts/studs pretty much have a 3x torquing procedure. For some reason otherwise they have a tendancy to back off. That actually might be whats happened here. Otherwise definitely agreein with the head gaskets idea.
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#9
Originally Posted by DOC OTIS
Need to know what head gaskets, studs/bolts, and tq specs you guys are using/running?
Ive got probally 2000 miles on my setup and just started dialing the n2o in and ran into a problem. On the bottle it was shooting coolant out the overflow. Did a leakdown test on it and both sides were leaking. Not sure if its a block problem? head gaskets? studs?
Im am using .053 Cometic's that are made for the Darton MID blocks and used permatex adhesive on the gaskets per MTI's instructions. The block is studded and I torqued the studs too 75 foot pounds.
Really curious what others are running and what is holding up. Ive got another set of Cometic's but a little leary of trying them again.
Ive got probally 2000 miles on my setup and just started dialing the n2o in and ran into a problem. On the bottle it was shooting coolant out the overflow. Did a leakdown test on it and both sides were leaking. Not sure if its a block problem? head gaskets? studs?
Im am using .053 Cometic's that are made for the Darton MID blocks and used permatex adhesive on the gaskets per MTI's instructions. The block is studded and I torqued the studs too 75 foot pounds.
Really curious what others are running and what is holding up. Ive got another set of Cometic's but a little leary of trying them again.
Last edited by hydfixer; 09-19-2004 at 02:44 PM. Reason: spelling
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Originally Posted by hydfixer
I am putting my 427 together and have the same gaskets, what kind of sealer did you use? Can't remember by who but was told not to use sealer, did MTI tell you that? If so what kind? Thanks
I'll have to look around and see if I can find the product I used. I know it was made by Permatex and MTI sent it to me, its what they use. Definitely going to make a few phone calls regarding the adhessive.
I appreciate the responses and the advice guys. Hopefully someone will chime that is actually running one of these blocks and keeping the gaskets on it.
#14
Originally Posted by 11 Bravo
Ditto for me.
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Originally Posted by washguy
The permatex product you want is hyolmar...it comes in a tube and a spray...all LPE tt and 427's have this product on the cometic head gaskets Wash
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I've also heard conflicting advice. I tried it this way and it didn't work. Definitely hesitating putting it back together the same way.
Surely someone on here is actually running one of these motors? Id like to know what their using, not what is recommended. Sometimes I feel like I am doing R+D for some of these companies, lol
Surely someone on here is actually running one of these motors? Id like to know what their using, not what is recommended. Sometimes I feel like I am doing R+D for some of these companies, lol
#17
Originally Posted by 11 Bravo
Where do you get it, and why do you need it if Cometic does not recommend it? Not doubting you, but this is just something else that I am getting conflicting advise on. Want to do it right the first time lol.
you can get it at any major auto supply.... ive seen it done either way,and yes theres conflicting reports..... Wash
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Originally Posted by DOC OTIS
I tried it this way and it didn't work.
The answer could be a simple as that.
I'd call Steve@Race and ask him what he thinks. He'd be a great source to ask