<VV> Helicoil Size--Oil Pan Bolts

[John Oshea]

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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