MP5T Rebuild Photo Journal

[Brian MP5T]

I know that but even then I heard it is not as hott as people make it to be. but I (dunno)

I eventually decided that the application did not require anything more than the MLS. At most daily, the plan is for 15 PSI... That's only 5 Psi over what I was running for years. The Engine failed because of the Red-Line at 230 Km/h not from Detonation or gasket problems... Will hold fine, Studs or Bolts, Copper or MLS...

(birthday)

 

[TurfBurn]

I eventually decided that the application did not require anything more than the MLS. At most daily, the plan is for 15 PSI... That's only 5 Psi over what I was running for years. The Engine failed because of the Red-Line at 230 Km/h not from Detonation or gasket problems... Will hold fine, Studs or Bolts, Copper or MLS...

(birthday)

I'm planning to push as high as 26 psi. I'll probably run this first motor no higher than 19 psi just to keep it intact for a year... and that should give me the 400+ I'm after... I too am going to run with the stock head gasket... and I'm using head studs this time around. Should I pop a gasket, then I will switch to head bolts to see if things last longer or not. So I guess we'll all see! I'm wondering what DDogg777 used as I believe he posted that they measured the bore of his motor with the head torqued down and found no deflection... if he was using head studs that will rule out the deformation issues that were pointed out as possible.

 

[bazooka joe]

(bow)

 

[ddogg777]

I'm wondering what DDogg777 used as I believe he posted that they measured the bore of his motor with the head torqued down and found no deflection...

ARP studs were torqued down and bores measured from below with gauge. Undetectable deflection.

 

[Brian MP5T]

ARP studs were torqued down and bores measured from below with gauge. Undetectable deflection.

Sweet. I can sleep at night..

motor going to shop on MONDAY!

 

[vindication]

ARP studs were torqued down and bores measured from below with gauge. Undetectable deflection.

do you think deflection will occur once you need to re-torque them after the first few miles?

 

[ddogg777]

No. You retorque to the same level as before.

 

[Brian MP5T]

The plan is to run the engine for 50 Km, remove the cams and verify the torque on the head, do an oil change and Bob's your uncle.

 

[TurfBurn]

The plan is to run the engine for 50 Km, remove the cams and verify the torque on the head, do an oil change and Bob's your uncle.

You can have the shop loctite them and no retorque will be need using an MLS gasket. But chime in if you disagree!

 

[Brian MP5T]

You can have the shop loctite them and no retorque will be need using an MLS gasket. But chime in if you disagree!

It's not a shop but thanks for the input. I agree that the MLS will not crush very much. I trust Beau's input as well of 80Ft/Lb on the ARP

Thanks for the input, It's always nice when you drop by...

 

[RyanJayG]

I personally like anti-sieze. you'll actually have to torque them less though, because you'll get more clamping force at a lower tq. but if you do use loctite then use the blue, NOT THE RED or you will NEVER get them out again.

 

[Brian MP5T]

I personally like anti-sieze. you'll actually have to torque them less though, because you'll get more clamping force at a lower tq. but if you do use loctite then use the blue, NOT THE RED or you will NEVER get them out again.

There is also the White for High Heat...

Your Thoughts...

 

[RyanJayG]

I honesty haven't seen the white stuff you refer to. the Blue is good to 300F and the red is good to 450F. I would think either would be ok (though the 300 may be pushing it a tad)

 

[Brian MP5T]

Agreed..

 

[TurfBurn]

I honesty haven't seen the white stuff you refer to. the Blue is good to 300F and the red is good to 450F. I would think either would be ok (though the 300 may be pushing it a tad)

I've only measured head temps to 200ish degrees... but yeah the bottom of the stud is in the block obviously which is likely different.

My machinist is loctiting all of my studs... he does it all the time and knows the tricks to it etc... so I'm trusting him on it.. I know it can slightly effect torque readings and so forth...

 

[Brian MP5T]

Sweet, the desision is made, Blue on the Studs.. It's good, I already have it in the basement...

 

[mazdaspeedpower]

things are coming along nicely man.

 

[Brian MP5T]

I'm stoked for monday. I have never seen an engine be alignhoned before...

 

[Brian MP5T]

http://shop.torresen.com/shipsstore/shopping/details.php?mfc=PERMATEX&sku=59214&prod_name=PERMATEX%20HI-TEMP%20THREAD%20SEALANT%20W/TEFLON

There is a link for the High Temp thread lock...

 

[JCell]

^^

i use something similar to that, but i get mine at discount auto parts