TXDTR#8 (North Texas DTR) April Meet
#16
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Join Date: Sep 2003
Location: Plano, TX
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Well guys I dropped the head off at RayMacs today... Was fairly discouraging talking to him, he has yet to see a 2nd gen block come through the doors without any cracks... He had about 7 heads sitting on the ground with cracks on the valve seats and some progressing up into the head. Hopefully mine will pass!!
The plan so far is to have the Head Mag tested (where they place a magnetic charge on the head and then sprinkle colored iron flakes over the head.. Where the flakes align into a pole is where there is a crack... He demonstrated the process to me with a cracked block, was pretty slick!!)
Have the head decked (within .0005")
Cut for oring
replace valve seals (they have their's customs made out of viton? sp?)
Replace springs with Pro/Sportsman
And probably do a valve job... More details on cut etc.. to follow...
Please no cracks, please no cracks...
The plan so far is to have the Head Mag tested (where they place a magnetic charge on the head and then sprinkle colored iron flakes over the head.. Where the flakes align into a pole is where there is a crack... He demonstrated the process to me with a cracked block, was pretty slick!!)
Have the head decked (within .0005")
Cut for oring
replace valve seals (they have their's customs made out of viton? sp?)
Replace springs with Pro/Sportsman
And probably do a valve job... More details on cut etc.. to follow...
Please no cracks, please no cracks...
I could be wrong...but i think there is a fix for valve seat cracks.....BUT the head i saw it was VERY noticable...so if you didnt see it.......
#17
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Join Date: Oct 2005
Location: Dallas area
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There is a fix for the valve seat cracks, however of course mo $$... If the valve seat cracks have already cruised into the head than no bueno... Some of the heads he showed me were not that noticeable until he mag-ed it then I could run a feeler gauge across it and feel the crack... Seems to only be a problm with 2nd gens, apparantly not a big issue with 1st and 3rd... All according to this guy....
#18
Registered User
Well guys I dropped the head off at RayMacs today... Was fairly discouraging talking to him, he has yet to see a 2nd gen block come through the doors without any cracks... He had about 7 heads sitting on the ground with cracks on the valve seats and some progressing up into the head. Hopefully mine will pass!!
Please no cracks, please no cracks...
Please no cracks, please no cracks...
#21
Registered User
I was thinking the same thing Rob - TIG weld it with the high-freq and polish it out, or drill and tap the Lock-N-Stitches and polish it out... better than new either way, but I'm thinking I want to step up to the next level.
I've decided to let the '98 roll on 37"s (Evan is tickled pink! )... I'm going 19.5" sooner than later!
I've decided to let the '98 roll on 37"s (Evan is tickled pink! )... I'm going 19.5" sooner than later!
#24
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Join Date: Feb 2003
Location: McKinney, TEXAS
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#25
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#26
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#27
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#29
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Thanks, any others?
Brian...good luck with your head. Thinking...no cracks no cracks!
What was your overall impression of the people & the Raymac shop? Sounds like they know their stuff. Surprised their name has never come up?
RJ
Brian...good luck with your head. Thinking...no cracks no cracks!
What was your overall impression of the people & the Raymac shop? Sounds like they know their stuff. Surprised their name has never come up?
RJ