Quote:
Originally Posted by meskhov
Just purchased a new 5,5 to 1 head and just found out that when I installed it found out it is thicker than the original by about a 1/16". I called Tom at Snyder's and he told me they had a batch that the tickness was off and would be corrected with the new batch. The top of the studs are about 3 threads shy of being flush with the top of the nut. The goseneck is worse only 1/2 of the nut catches the stud and this is with a new Snyder's outlet! This is totally unacceptable for paying this amount of money for a new part that is supposed to fit perfect. They tried telling me to back off te studs a few turns but come on really? I'm no dummy when it comes to mechanial problems as I've restored a dozen cars over the years and never had the problems of repro parts as I've had with A and T parts. I'm going to mill down the tops of the bosses to brind the dimension equal to an original head so I'll have the 1 thread exposed.
Hate to vent but tis is the 3rd head in the last year that has this problem, so much for the new batch, huh?
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You must be a glutton for punishment. I have bought 25 of these heads in the past 4 months and have not had any problems like this. I simply add .060 to the recommended height of the stud. This is probably 1/2 of one thread. BTW, I do engines for judging and have never lost a point for thread length.