If you are referring to the 4" hole in the shroud next to the radiator,
that's the fresh air duct! <LOL>... s'posed to be a 4" hose in there up to
your heater fan...
...is that why they are always missing... so the oil filter can get changed?
Gerard
At 6:31 PM -0700 8/18/01, Toby Atwater wrote:
>>OY-BTW - what determines on which side of the car the 4"
>>round hole is? On my '72, I see nothing on the left side one
>>could reach an arm thru.
>
>When I had the original canister type oil filter on my 69 Sprite (my gawd I
>hated that canister filter) The ONLY way to get the new filter together and
>back on was with 3 hands, one through that hole. I am pretty sure that's the
>only reason it is there.
>
>That oil canister man. It takes like 2 hands to hold everything together and
>compress some spring inside it, and another hand to tighten the through
>bolt. And don't forget the whole thing is full of oil, overflowing and
>making everything slick, and dripping in your face. Only did the job twice
>tho... before converting to spin on. (so much better)
>
>I think they converted to spin on in 70 or 71 If I am not mistaken. Maybe
>the left the hole there to avoid re-tooling? dunno.
>
>Toby
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