[Supras] Lexus AFM + 550cc + head removal advice

[berniek at technicaldevelop.com]

Craig:

    Thanks.  The head I'm installing on the car already has helicoil 
work done.  It is the one from the JDM engine I never finished building 
for my '90 Supra. 

    Bernie

cthommes at adelphia.net wrote:
> I agree 110%.  Becuase you will helicoil just the two that you thought were bad, and then when you go to torque down the exhaust manifold upon install, another 2 will start to pull out.
>
> -Craig
>
> ---- joe at wilmcd.com wrote: 
>   
>> The one thing I would probably do if I had the head off again would be to
>> helicoil all the holes for the exhaust manifold studs.
>>
>> -Joe
>>
>>
>>
>>
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