[DeTomaso] Fw: Cleveland engine question
Will Kooiman
will.kooiman at gmail.com
Thu May 8 07:02:12 EDT 2014
Sorry to say this, but loud boom almost always means you broke something
big.
And especially a loud boom followed by the engine not running.
The distributor shear pin doesn't boom.
Jumped timing chain doesn¹t boom.
Me thinks you get to pull your engine.
On 5/8/14 6:31 AM, "michael at michaelshortt.com" <michael at michaelshortt.com>
wrote:
> Make sure that there is no water in the oil and oil in the water. All
> electrical connections are secure, do you have spark?
> Pull the dist cap, is the rotor turning?
> If timing chain issue...you may want to pull a head and see if any
> valves smacked the pistons.
> If a sheared pin, you can fix that or use this opportunity to look into
> a distributorless engine with an Electromotive system ( works great ).
> Hopefully, something simple and easy ($) to repair.
>
> Michael
>
> On May 8, 2014 1:47 AM, <[1]jgkrenton at comcast.net> wrote:
>
> A A Boyd:
> A A Since no big pieces seem to have left the block, the first
> thing to do
> A A is pull a valve cover and the distributor cap. A Then hit the
> starter
> A A and turn the motor over (which you report is still turning??).
> A A If the timing chain has failed, the valves and distributor will
> not
> A A move. A If the distributor gear/pin has failed, then the valves
> will
> A A move but the distributor will not turn. Check the timing too.
> A If the
> A A gear/pin failed the distributor may turn but be way out of
> time...
> A A (check: timing, compression, spark, fuel, one of them is
> missing....)
> A A Good luck..
> A A Jeff/2467
> A A
> A __________________________________________________________________
> A A From: "Boyd Casey" <[2]boyd411 at gmail.com>
> A A To: "mark skwarek" <[3]ehpantera at yahoo.com>
> A A Cc: "Detomaso List" <[4]detomaso at poca.com>
> A A Sent: Wednesday, May 7, 2014 10:06:39 PM
> A A Subject: Re: [DeTomaso] Fw: A Cleveland engine question
> A A Well as the more astute among may have already guessed I had an
> A A "episode"
> A A this evening while giving my pantera a workout after getting my
> new
> A A CNC sssleeve clutch master,
> A A ss sleeve long throw slave, new 90 amp alternator and new
> harmonic
> A A balanceralong with new front seal and pulley. My car was
> running and
> A A sounding
> A A great! I loved the new master and slave set up and even though
> the
> A A expected
> A A increase in clutch pedal effort materialised (as promised) I
> really
> A A liked
> A A the pedal resistance and the new longer throw slave really
> seemed to
> A A make
> A A the clutch engage ( it was like it slammed shut) the rear
> wheels seemed
> A A to
> A A hook up better and I was really enjoying my drive. I was
> actually
> A A enjoying
> A A it a little too much because I was in 5th and on it hard when
> all of a
> A A sudden there was a loud boom and a sudden loss of all power. At
> first
> A A the
> A A car was still in gear and the engine was turning due to the
> forward
> A A momentum of the car. There were no cylinders firing just the
> lub dub
> A A sound
> A A of A an engine turning with out ignition A and a substantial
> amount of
> A A smoke
> A A was visible in my rear view as well as a funky smell which I
> hope was
> A A fuel
> A A and air vaporising as it traveld through the hot engine with no
> spark
> A A to
> A A ignite it. I was very close to my exit so I put the car in
> neutral and
> A A rolled off the Parkway exit ramp.Once stopped I called a buddy
> of mine
> A A who
> A A lives near by and who owns a flat bed. He is also an avid car
> collector
> A A and
> A A restores classic cars as a hobby. He suggested I do a few
> things like
> A A try
> A A to restart the car and when it wouldn't start he suggested
> turning the
> A A key
> A A to start with the car in gear to see if it was locked up. When
> I turned
> A A the
> A A starter in first the car moved forward so at least it didn't
> appear to
> A A be a
> A A complete catastrophic failure ( but I guess that depends on
> your own
> A A definition of "catastrophic failure" The way I was feeling a
> broken
> A A timing
> A A chain or sheared distributor gear didn't seem as bad a a
> completely
> A A blown
> A A engine. (like a rod through the block kind of blown engine).
> A A So for those of you in the know whats the best way and order to
> check
> A A if
> A A it's a sheared pin or a jumped or broken timing chain? The
> thing that
> A A really made me think it was more then just a sheared
> distributor pin
> A A was
> A A the loud boom when the shit hit the fan(in a manner of
> speaking). So
> A A what
> A A to do?
> A A Boyd
> A A P.S. please excuse any more spelling errors then one would
> normally
> A A expect
> A A from a post written by an extremely distressed Pantera owner.
> It seems
> A A my
> A A spell check isn't running much better then my Pantera!
> A A On Wed, May 7, 2014 at 11:30 PM, mark skwarek
> <[5]ehpantera at yahoo.com>
> A A wrote:
> A A > For me I have a gear driven cam and the pin that drives the
> cam
> A A sheared
> A A > resulting the two broken A valves. A Hopefully my pics will
> come
> A A through.
> A A > Mark
> A A > A On Wednesday, May 7, 2014 11:24 PM, Will Kooiman
> A A <[6]will.kooiman at gmail.com>
> A A > wrote:
> A A > A I would be very surprised if there isn't interference.
> A A >
> A A > But the timing chain rarely breaks. A If it jumps a tooth,
> you are
> A A probably
> A A > still safe, even with a mild performance cam.
> A A >
> A A > On 5/7/14 10:57 PM, "Boyd Casey" <[7]boyd411 at gmail.com>
> wrote:
> A A >
> A A > > A Do Cleveland engines (generally) have valves that will
> hit the
> A A pistons
> A A > > A if the timing chain breaks? I assume if you have a high
> lift cam
> A A and or
> A A > > A high top pistons you could have interference but what
> about a
> A A stock
> A A > > A engine?A
> A A > > A Boyd
> A A > >_______________________________________________
> A A > >
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> A A >
> A A >
> A A >
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>References
>
> 1. mailto:jgkrenton at comcast.net
> 2. mailto:boyd411 at gmail.com
> 3. mailto:ehpantera at yahoo.com
> 4. mailto:detomaso at poca.com
> 5. mailto:ehpantera at yahoo.com
> 6. mailto:will.kooiman at gmail.com
> 7. mailto:boyd411 at gmail.com
> 8. mailto:DeTomaso at poca.com
> 9. http://poca.com/mailman/listinfo/detomaso_poca.com
> 10. mailto:DeTomaso at poca.com
> 11. http://poca.com/mailman/listinfo/detomaso_poca.com
> 12. mailto:DeTomaso at poca.com
> 13. http://poca.com/mailman/listinfo/detomaso_poca.com
> 14. mailto:DeTomaso at poca.com
> 15. http://poca.com/mailman/listinfo/detomaso_poca.com
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