[Supras] Cam gear timing difficulties

[Koll]

Uhhh...

http://www.turbo505.com/duuh.jpg

Is is possible for someone to be too stupid to breathe?


----- Original Message ----- 
From: <cthommes at adelphia.net>
To: "Koll" <kasimonds at qwest.net>
Cc: <supras at supras.com>
Sent: Thursday, February 28, 2008 3:14 PM
Subject: Re: [Supras] Cam gear timing difficulties


> First, that photo wasn't taken with the crank at 0TDC was it?  If so, your 
> cams are way advanced, gear notches should be straight up.
>
> The other possibility is that while the cam pin is in the middle hole on 
> the cam gear, it's not in the middle hole on the camshaft itself.  That 
> would cause a huge (about 30 cam degrees) error in cam timing one way or 
> the other.
>
> And <ahem> you do have spark plugs installed, right?
>
> -Craig
>
> ---- Koll <kasimonds at qwest.net> wrote:
>> Hey all,
>>
>> I'm having a hell of a time getting the cam timing straight on my stock 
>> MX83
>> Cressida.  (7M-GE).
>>
>> I put the crank at zero, then the cam marks to line up with the back 
>> plate
>> notches and button it all up and no-go.  The engine just "spins", doesn't
>> "crank".  No compression.
>>
>> I followed the TFSM, but I did nothing wrong.  The only "variable" they
>> mention is which hole to put the cam alignment pin into but I can't even 
>> see
>> how that changes anything.  (I did put it back in the same hole - middle)
>>
>> So, I'm searching the crap out of the net trying to figure out where I
>> screwed up and someone mentions that you have to see the intake cam lobe 
>> in
>> the oil filler hole.  So, I check and OK, looks like I'm 180 out.  Re-do 
>> it
>> "right" and still the "spin", not the crank normally associated with the
>> air-pump an engine is.
>>
>> Is there any other way this can be messed up?
>>
>> 1. I've got the cam pins on the middle pin.  Which matches with what was
>> there when I disassembled:
>>   picture:  http://www.turbo505.com/cam-gears-before.jpg
>>
>> 2. Put pencil in spark plug hole #1 and it rides high on crank mark zero.
>>
>> 3. Cams line up perfectly after two manual turns of crankshaft (back to
>> zero).
>>
>> My last Supra was cake when I was here.  So I've done this two times so 
>> I'm
>> assuming that I can eliminate the 180 out issue.  Although I'm getting
>> pretty good as disassembling the front of the engine, I'm getting real 
>> sick
>> of this.
>>
>> Can anybody help?  Damn, I feel like such a dumbass.
>>
>> Thanks,
>>
>>   Koll
>>
>>
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>
>