<VV> Helicoil Size--Oil Pan Bolts

[shortle]

John, you're probably correct on the thread pitch, but they are DEFINATELY 5/16 and they all have a 1/2 inch hex head. I just can't believe someone would go thru all the trouble. I wonder if this isn't factory as all the threads in the case and bell housing look stock.
Tim Shortle

-----Original Message-----
>From: John Oshea <jco99 at cox.net>
>Sent: Jun 15, 2009 11:03 AM
>To: Virtual Vairs <virtualvairs at corvair.org>
>Subject: Re: <VV> Helicoil Size--Oil Pan Bolts
>
>Sure those ain't 5/16x18?   5/16x16 is a pretty odd bolt thread, ain't it?
>Common 5/16 threads are 18 (coarse) and 24 (fine) ain't they?  :o)
>
>----- Original Message ----- 
>From: "shortle" <shortle556 at earthlink.net>
>To: "John Green" <jgreen at alum.mit.edu>; <virtualvairs at corvair.org>
>Sent: Monday, June 15, 2009 8:54 AM
>Subject: Re: <VV> Helicoil Size--Oil Pan Bolts
>
>
>> The engine in my 1962 Monza Wagon has 5/16 X 16 for the oil pan (in the 
>> case and the bell housing). I was under the impression these are supposed 
>> to be 1/4 X 20. Has someone changed ALL the bolt sizes? This car has a 
>> 1965 110 HP engine stamped RH. Anyone?
>> Timothy Shortle in Durango Colorado
>>
>>
>> -----Original Message-----
>>>From: John Green <jgreen at alum.mit.edu>
>>>Sent: Jun 14, 2009 10:48 AM
>>>To: virtualvairs at corvair.org
>>>Subject: <VV> Helicoil Size--Oil Pan Bolts
>>>
>>>All,
>>>
>>>As you may remember I recently posted on stripped oil pan bolt holes. One
>>>suggestion was to catch a few threads with a longer bolt.  This worked, 
>>>but
>>>I decided on inserting a helicoil as a more permanent solution. The
>>>helicoils I bought at FLAPS are 0.375 inches long. Question: are these 
>>>large
>>>enough or should I search for longer ones?
>>>
>>>John Green
>>>Silver spring MD
>>>Corsa member
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