motorcitymadman
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motorcitymadman
Posted: May 20 2008 03:37 PM
 
Ken Pettine (aka MOTORCITYMADMAN) [ View ] [ Email ] [ Car Ads ] [ Blogs ]
Clinton Township, Michigan
(586) 202-2544
 
Hay, guys if someone will help me with this question, i have alum heads on my 350 chevy. with headhuger headers i have crossed the spark plug thread about 3/4 of the way in and i will have to rethread , what has happend is that the plug is going in on an angle. do i just try to retread or do i have to do something eles to get it strait. i guess i should have removed the headers first which is a lot of work just to install plugs. i guess what happend is the rachet was hitting the header and pushing it on an angle.
 
 
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Posted by ol bear  -  05/20/2008 04:21 PM
SOME MIGHT SAY TO USE A HELICOIL , WITH THE PISTON AT T.D.C. ,, I THINK ID TAKE IT TO A MACHINE SHOP AND LET THEM DO IT ,,JUST MY 2 CENTS ,, BEST OF LUCK ,I FEEL UR HEART POUNDING ... OL BEAR
OL BEAR [ View ] [ Email ] [ Blogs ] [ Car Ads ] crown point, Indiana
 
Posted by Crazyhorse Rod Shop  -  05/20/2008 04:38 PM
you could use a thread chaser and magnet. i always start them by hand because of this very reason.
dont poke the porchdog........he bites [ View ] [ Email ] [ Blogs ] [ Car Ads ] BLUFF DALE, Texas Charter Member since March 2003
 
Posted by 50pickup  -  05/20/2008 04:58 PM
Shine, you got an aluminum magnet? Must be a Texas thing! Haha
50pickup [ View ] [ Email ] [ Blogs ] [ Car Ads ] POTTERVILLE, Michigan
 
Posted by protruck69orange  -  05/20/2008 05:09 PM
i have had good luck chasing spar plug threads on alum. heads,pull plug out ,stuff cylinder ,with a rag just enough to seal plug,put wheel grease on tape to catch alumn,get a 3/8 hose tape on end of shop vac. vac out hole before removing rag.worked for me.
protruck69orange [ View ] [ Email ] [ Blogs ] [ Car Ads ] kountze, Texas
 
Posted by Crazyhorse Rod Shop  -  05/20/2008 05:26 PM
dont do much aluminum around here. but i've fixed a bunch because of cheap ass block hugger clones.
dont poke the porchdog........he bites [ View ] [ Email ] [ Blogs ] [ Car Ads ] BLUFF DALE, Texas Charter Member since March 2003
 
Posted by Red's Place Custom & Restoration  -  05/20/2008 10:46 PM
I haven't had to do this myself but protruck69 is on the right track, I wouldn't put the piston at the top of the cyclinder if your tap goes too deep you will take a chance on doing damage to the piston. Remember if you mess it up you can take it off and have the hole welded shut and redrilled and taped worst case . Good luck RED
Red's Place Custom & Restoration [ View ] [ Email ] [ Blogs ] [ Car Ads ] Charlotte, North Carolina
 
Posted by MOTORCITYMADMAN  -  06/11/2008 02:15 PM
sorry guy. it took me so long to say thanks for the help, what i did is took a plug chaser and held my breath, and it worked very well, took my time, and put soom grease on the chaser and turned a couple of times ,then reversed it and wiped the chaser off each time, when i replased the plug it turned without any trouble and tightened fullly.
MOTORCITYMADMAN [ View ] [ Email ] [ Blogs ] [ Car Ads ] Clinton Township, Michigan
 
Posted by cr55  -  06/11/2008 05:31 PM
Glad it worked out easy for you. Bet you were sweatin' bullets, huh? I cross threaded the bolt holes on my trick flows while rushing to put the headers on, just took my time and cleaned out the threads with a tap and everything worked out!............CR
I thought that I knew it all , but.. [ View ] [ Email ] [ Blogs ] [ Car Ads ] dover, Delaware
 
Posted by hidollartoys  -  06/16/2008 10:01 AM
Probably should use hi-temp anti-seez on plug threads. will save threads in the long run.
hidollartoys [ View ] [ Email ] [ Blogs ] [ Car Ads ] gardner, Kansas
 
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