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-   General Q & A (https://www.offshoreonly.com/forums/general-q-20/)
-   -   Stud girdle/Hardin valve covers (https://www.offshoreonly.com/forums/general-q/370787-stud-girdle-hardin-valve-covers.html)

mcollinstn 10-30-2021 09:47 PM
Girdles are great. I've welded new stud bosses on lots of BBC aluminum heads that have gotten wallowed out or the whole chunk of casting containing the boss broken totally out due to stud flexing.
All you guys who say they are unnecessary may need to review the sage words of Patches O'Houlihan from Dodgeball..Patches O'Houlihan : Necessary? Is it necessary for me to drink my own urine? No, but I do it anyway because it's sterile and I like the taste.

It's arguable whether girdles are necessary, but if you're on the fence I say go for it.

payuppsucker 10-30-2021 10:41 PM
Originally Posted by mcollinstn (Post 4810879)
Girdles are great. I've welded new stud bosses on lots of BBC aluminum heads that have gotten wallowed out or the whole chunk of casting containing the boss broken totally out due to stud flexing.
All you guys who say they are unnecessary may need to review the sage words of Patches O'Houlihan from Dodgeball..Patches O'Houlihan : Necessary? Is it necessary for me to drink my own urine? No, but I do it anyway because it's sterile and I like the taste.

It's arguable whether girdles are necessary, but if you're on the fence I say go for it.
I had a boss break of last year on a head that had run shaft rockers from day one.

Have you ever run into that?

getrdunn 10-31-2021 11:27 AM
Originally Posted by payuppsucker (Post 4810883)
I had a boss break of last year on a head that had run shaft rockers from day one.

Have you ever run into that?
What shaft rockers. What lift and duration cam?

payuppsucker 10-31-2021 03:06 PM
Originally Posted by getrdunn (Post 4810921)
What shaft rockers. What lift and duration cam?
https://cimg0.ibsrv.net/gimg/www.off...e1c1c0d08.jpeg
Jesel

ThisIsLivin 11-01-2021 08:29 AM
Originally Posted by payuppsucker (Post 4810883)
I had a boss break of last year on a head that had run shaft rockers from day one.

Have you ever run into that?
Talking to the guys at JOMAR, there are small differences in valve angle and therefore stud placement between the different head manufacturers. You may have had a stud girdle that had a different alignment than your studs which caused the break.

payuppsucker 11-01-2021 09:00 AM
Originally Posted by ThisIsLivin (Post 4810987)
Talking to the guys at JOMAR, there are small differences in valve angle and therefore stud placement between the different head manufacturers. You may have had a stud girdle that had a different alignment than your studs which caused the break.
No stud girdles, shaft rockers.

F-2 Speedy 11-01-2021 09:32 AM
https://cimg7.ibsrv.net/gimg/www.off...27452ffaf3.jpg


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