[Supras] 89 Supra lost power on highway, help!

[metlar at juno.com]

Hi Jeff, Jim, Bernie, list, 

I appreciated your discussion on the Cam journals very much, it certainly helps out. 

Looks like the timing belt jumped and when they opened it up saw the belt just flopping around in there. 

Any idea why this belt skipped? What should I have them check out when they spend some more time on it tomorrow as I don't want it to happen again. 

Thanks list,

Tom
89 Supra (no timing belt)

-- "Jeff Mohler" <speedtoys.racing at gmail.com> wrote:
Yes.

Every single one of our heads has "worn out" journals.

The specs are only to be believed on NEW heads.  The bearings are not
replaceable, and baaaarely serviceable.   Why Toyota lists specs at
all, I do not know.


The journals are either brand new and 'in spec', or "worn out", or
"absolutely destroyed".


Very few are absolutely destroyed, 99.9% of us are worn out, none of
us are new.   :)


using the list gives you 20yrs of know-how...can save lots of $.




On Tue, May 6, 2008 at 8:56 AM, metlar at juno.com <metlar at juno.com> wrote:
> So I should have just ignore that the journals were were out?
>
> After resurfacing them, I did hear less noise and had more oil pressure.
>
> Still waiting to see/hear if indeed the timing belt did go, hopefully should hear something today on it.
>
>
> -- "Jeff Mohler" <speedtoys.racing at gmail.com> wrote:
> ALL toyota cam journals are worn out and sloppy.
>
>
> I really wish people would ask why only -1- person. (ok, there might
> be a handful more) has ever done this before jumping into something
> like that.
>
>
> It may not be related, but other than lightening your bank account, it
> did nothing FOR you.
>
> On Mon, May 5, 2008 at 9:44 AM, metlar at juno.com <metlar at juno.com> wrote:
>>
>> I was hearing noise in the engine/had lower oil pressure, so I had my mech go in to do my Valve shims(which I thought were the problem) and per Bernie's advice (THANK YOU BERNIE!!), tested the Cam journals as well and yep, the Cam Journals were worn out and sloppy.
>>
>> -- "Jeff Mohler" <speedtoys.racing at gmail.com> wrote:
>> "Last fall I had the cam journals resurfaced"
>>
>>
>>
>> Why?
>>
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