New head bolts - Maintenance and Repair Forum

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New head bolts
Sunday, April 29, 2007 10:07 PM
is it really nessacary to get new head bolts when taking off the head?

Re: New head bolts
Sunday, April 29, 2007 11:04 PM
not 100% sure, but yes. i know when changing out suspension (upgrading) you really should get a new locking nut....so my best bet would to do it to be on the safe side..but eh, what do i know just my .02 let someone with knowledge and experience with the head be your guide



Re: New head bolts
Monday, April 30, 2007 4:34 AM
Head bolts on our engines are designed to stretch slightly when properly torqued. Once used, they won't work/stretch properly next time in. Haynes doesn't mention this, and in fact directs you to use the old ones again. Chilton's doesn't. Haynes does have better interior repair work help.
Re: New head bolts
Tuesday, May 01, 2007 6:17 PM
They are a $26 insurance policy. I just replace the HG on my Cavy and I wouldn't trust the old bolts. The bolts are torque to yield like stated before they stretch slightly when torqued on. Just get new bolts to ensure you don't have to tear down the head again. Just go to NAPA or someplace for 'em. Napa=$26 Autozone= $38


-1995 Cavalier for dirt racing-
-1995 Sunfire for parts-
-1998 Dodge Durango for getting to the track-
-1997 Dodge Avenger for playing-
Re: New head bolts
Tuesday, May 01, 2007 7:19 PM
just put ur old bolts up to a straight edge to see if the are worn.
Re: New head bolts
Wednesday, May 02, 2007 3:57 AM
I agree with Keith 100%


[They are a $26 insurance policy]

Here is some interesting info:-


http://www.mondello.com/Pages/Articles/1/1.htm


Hope it helps


Alont
Re: New head bolts
Wednesday, May 02, 2007 6:08 AM
Yes, replace them... Mine where like 1/8 longer than the replacements....



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