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Re: Engine Rebuild: Stock Head Bolt Strength
'87 5ktqwRS2 - --??? Please explain.. Is this a modded 5ktqw engine -
If it is, -- :)
'87 200 tq Avant
From: QSHIPQ@aol.com <QSHIPQ@aol.com>
To: firstname.lastname@example.org <email@example.com>
Cc: firstname.lastname@example.org <email@example.com>
Date: 18. september 1997 17:17
Subject: Re: Engine Rebuild: Stock Head Bolt Strength
>In a message dated 97-09-17 13:18:40 EDT, you write:
><< To: QSHIPQ@aol.com (Scott Fletcher)
> >CC: firstname.lastname@example.org (Quattro List), email@example.com
>> I am doing considerable modifications to my '86 5kcstq as I rebuild the
>> engine and am wondering
>> how well the stock headbolts/ threads hold under high boost/HP
>> Would it be wise to upgrade
> >to Raceware hardware and are Timecerts or something similar necessary to
> >hold everything together?
>Scott Fletcher? cough, cough... Truly your mind jests you sir.
>Corky Bell has one of the better quotes on Head Bolts: "Rule: A head bolt
>is an accountants decision. A head stud is an engineers decision."
>Now, I will temper that with some btdt. As a general rule, the vw/audi
>bolts (049-103-384B - available from either the vw or audi store) are
>well designed, and really have no big problems. In fact, the Bentley's put
>notation in the manuals indicating that reusing the head bolts is OK.
>One view and the other. My recommendation is to just get new head bolts.
> Want to play it really safe, get the studs. I have run in excess of 21
>with the stock bolts with no problems. The difference in price? A little
>over 120 bux. Peace of mind: Get the Racewares. Regardless warning: Get
>only the proper turbo head gasket for your car from the dealer. Make sure,
>double and triple ck, to follow the procedure for torquing the bolts/nuts
>the "T". As a rule, I have someone count off (Brendan did a fine job on
>wagon) and point the way to the next bolt and tightening sequence.
>'87 5ktqwRS2 - stock head bolts