Perhaps multiple o-rings stuck in the groove. I have
seen that and they were hard and made me thing I was
down to the metal when I wasn't.
--- Brad Waller <[EMAIL PROTECTED]> wrote:
> Sunday I decided to check out the oil leak on the
> Chevelle. I'd noticed a
> leak a while ago and thought it was a bad gasket on
> the spin on oil filter.
> The leak went away for a while, and then came back.
> I tightened the filter
> a bit more and the leak seemed to be there still,
> but it looked like it was
> the filter. On Sunday I put the car on stands and
> got under it while
> running.
>
> Turns out that the leak was coming from the oil
> filter adapter (swapped over
> from the old 327 when I assembled the short block 10
> years ago), not the
> filter. I tried to remove the filter, but I had
> tightened it so much that I
> bent the handle on the filter wrench! I finally got
> the filter off and
> pounded on the handle to get it somewhat straight,
> then removed the adapter.
> The bolts were not all that tight, so I assumed that
> it might be as easy as
> cleaning up the adapter and installing again. I did
> get it nice and clean,
> but when I went to clean the block I found the
> gasket sealing the adapter to
> the block was crumbling. This was the source of the
> leak.
>
> Since I swapped this into a short block, the 350
> block did not have the
> usual oil filter fitting, but it was easy enough to
> swap over the pressure
> relief ring and spin on adapter from the dead 327
> way back then. I figured
> all I needed was to go and buy either another
> adapter (since nobody would be
> selling the gasket only), or buy the pressure
> relief/spin on combo setup
> without the adapter from my local speed shop.
>
> I get in the car and drive over to find out that
> they are now closed on
> Sundays. So I head over to Pep Boys. They don't
> carry one, but they say
> NAPA should. Kragen is closer, so I go there first.
> They don't carry it
> either, but NAPA should. I drive to NAPA and guess
> what? They are closed
> on Sunday too!
>
> Now I'm beginning to wonder what to do. Do I cut my
> losses and get help to
> push the car into the garage (not all that easy
> since it is in front of the
> other garage), make my own gasket from rubber or
> cardboard, make it from
> RTV, or cannibalize the engine for the Corvette.
> That engine is on an
> engine stand so it would be easy, but I hate to mess
> with something that is
> already put together. While looking at the setup on
> the stock engine, I
> realize how different my 327 setup is. I also
> realize that I still have one
> PF141 filter and the entire canister setup from the
> blown Corvette engine!
>
> Now, the only trick left is to figure out if that
> can work. So I grab the
> old canister and stick the long bolt into the
> block... Success. I don't
> know why, but Chevy still machines the threads for
> the canister bolt. I
> found some shorter bolts to hold the pressure relief
> ring in and bolt it up.
> I then load the canister with the filter and fill
> the canister with a quart
> of oil. I carefully get the O-ring in place and
> slowly screw the canister
> into place. All done, I start the engine and check
> under the car.
>
> SPLURT! There goes a pint of oil before I can shut
> off the engine. It
> overwhelmed the cardboard and made a nasty puddle in
> the driveway. Now I
> was getting really pissed at the car. I removed the
> canister, dumped the
> oil, and checked everything. I saw nothing wrong,
> not kinked O-ring, the
> canister seemed to be tight, everything fit dry. I
> figured what do I have
> to lose, so I worked the O-ring into place first,
> then installed the
> canister again and started the car. NO LEAKS!
>
> So now I have a '67 Chevelle with a '70s 350 and
> '60s oil filtration. When
> it comes time for the next oil change I'm not sure
> if I'll stick with the
> canister or swap to a new factory style spin on
> fitting. Other than the
> PF141 filters being hard to find, it seems like a
> decently large filter.
> How was your weekend?
>
> Brad Waller ([EMAIL PROTECTED])
>
> '66 Corvette | 327/dead | 4-speed | Wilwood Brakes
> | 245/45/16 BFG R1
> '67 Chevelle | ex-SS396 | 355/700R4 | F-Body Brakes
> | 275/40/17 Kumho MX
>
>
>
>
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