Other Reminder thread re-torque your ADA head

When I first got an ADA head I used loctite on the acorns, well guess what happened when I began to remove the head ? It turned the girdle studs out of the case...too bad there's not enough stud for a washer and a lock washer...
 
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Matt_E

steals hub caps from cars
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Location
at peace
I actually don't know what he recommends. On my homebuilt motors, I had to use loctite to stop the problem.
On the motor he's built me, it has never been an issue to begin with.
 
Location
Bay Area
I have had serius issues with this in the past. ADA claims they NEVER have this issue (BS). Mostly on the billet cylinders but also on the cast. I swear on high compression motors its like the dayum girdle bolts stretch. The non Girdles do not seem to have a problem at all.
38ft # is pretty high, just make sure your not spinning the girdle bolt at that, stripping will happen in the cases. I torque the bolts into the cyl @ 34 then the top side at 34 as well and check and recheck, forgetting can cause HUGE issues that I do not want to remember LOL.
Not sure if its the vibration in the girdle bolts or if they do actualy stretch or what but it is crazy how often this can happen.

i was thinking of running my older ada girdle head without the girldle and problem with tha?
 

KTM434

Jamie FN Hickey
Location
Palm Coast FL
Eastbay, I don't recommend running high compression on a 61x cylinder without a girdle head. Thats what causes the cylinder base flange to crack on the intake side of the cylinder with the thinner flange.
 
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I've still got them, but I have a feeling that I may not need to recheck because JetManiac and Blue are the bomb and put something special on there so it doesn't loosen?
 

sjetrider

615 Freeriders are addicted to T1 madness.
KNowing TZANE he uses the breaker bar LOL!!!! NAH, the big motors with higher compression seem worse then others, never had an issue with 190psi comp and under. Also seems the tall Billet cylinders for stroker motors are even worse. I really think they just vibrae loose due to the length of the bolts.
 

Tyler Zane

Open Your Eyes
lol, to be honest i have used ADA's specs for most of last year. After i talked to Art about the subject, i decided to bump up the specs a hair. i dont remember the exact numbers (they are wrote down in my garage) but Matt's numbers seems to be right at it.
 
KNowing TZANE he uses the breaker bar LOL!!!! NAH, the big motors with higher compression seem worse then others, never had an issue with 190psi comp and under. Also seems the tall Billet cylinders for stroker motors are even worse. I really think they just vibrae loose due to the length of the bolts.


Why run a girdle head on a billet motor? I've got 1 billet Dasa and 2 cast Dasa motors , all without girdle heads .
 
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