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 Post subject: Timing
PostPosted: Sun Apr 03, 2016 4:58 pm 
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Joined: Sun Mar 06, 2016 4:57 pm
Posts: 55
Location: Memphis, TN
Is the timing spec different for a CTTC? I checked mine yesterday, and it's at 8 instead of the stock 6. I am sorting out a variety of things as I get to know the engine, should I turn it back to 6?

Thx

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Scott in Memphis

'87 Callaway #111
Various old Caddys
And a DeLorean


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 Post subject: Re: Timing
PostPosted: Mon Apr 04, 2016 11:43 am 
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Joined: Mon Apr 09, 2012 3:35 pm
Posts: 90
Timing is stock for you year Vette, 6 degrees.

If your timing is off, might be worth pulling the distributor and looking at the distributor gear for wear.


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 Post subject: Re: Timing
PostPosted: Sun Apr 10, 2016 9:10 pm 
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Joined: Thu Aug 21, 2014 9:46 am
Posts: 58
I have the Callaway manual somewhere - I recall the timing as being AFTER TDC, not BTDC as is common..

I'll check and get back to you.

Not sure if it was different across the years.


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 Post subject: Re: Timing
PostPosted: Tue Apr 12, 2016 8:12 am 
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Joined: Sat Dec 11, 2010 9:07 am
Posts: 17
Location: Finland
Hi,

timing is 6° BTDC but there is some things to undo if You check the timing, instruction of the process are in Your intercooler label.

Br. Polar bear


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 Post subject: Re: Timing
PostPosted: Mon Mar 20, 2017 8:47 pm 
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Joined: Thu Aug 21, 2014 9:46 am
Posts: 58
Guys,

this post has worried me for some time - as I did contribute, but life got in the way to finish it off :)

I have a 1987 Callaway B2K and also have the Owners manual.
In the manual it quotes "2 degrees ATDC (Note: "AFTER" TDC)"
Image
Image


I took a pic of the intercooler info and it says "(N)" - no clue what that means?
Image[/url]

Can anyone (Callaway Chris) shed some light on what that means?

The pic supplied by PolarBear must be a non 1987?


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 Post subject: Re: Timing
PostPosted: Mon Mar 20, 2017 9:57 pm 
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Joined: Wed Aug 27, 2008 4:46 pm
Posts: 3644
Location: Old Lyme, CT
6*


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 Post subject: Re: Timing
PostPosted: Mon Mar 20, 2017 10:38 pm 
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Joined: Thu Aug 21, 2014 9:46 am
Posts: 58
Chris,

can you elaborate please?
Is that pic off an '87 B2K corvette?

The intercooler info is unclear - the manual clearly says 2degrees ATDC.


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 Post subject: Re: Timing
PostPosted: Wed Mar 22, 2017 6:46 pm 
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Joined: Thu Aug 21, 2014 9:46 am
Posts: 58
ooops!

In an effort to tidy up my photobucket account, I deleted the pics I posted!
I'll add them here:

Relevant page of the Callaway Manual showing timing settings
Image


Intercooler information
Image

I think Callaway Chris is the only guy who can clear this up.
The manual is original Callaway (I purchased it from them myself)
The "(N)" on the intercoller info looks like an error? (perhaps telling the tuner to have the transmission in Nuetral, but omitting what the # of degrees is supposed to be?)


Polar Bear - is your pic from a 1987?
If so, what #?
maybe a change occurred during production?


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 Post subject: Re: Timing
PostPosted: Thu Apr 20, 2017 3:53 am 
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Joined: Thu Aug 21, 2014 9:46 am
Posts: 58
Received notification from Callaway that the timing for a 1987 is zero degrees.

no idea why it says 2 degrees ATDC in the manual


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 Post subject: Re: Timing
PostPosted: Thu Apr 20, 2017 9:48 pm 
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Joined: Thu Aug 21, 2014 9:46 am
Posts: 58
Confirmation that the 2 degrees ATDC in the manual is incorrect, due to a running change, the correct timing for a 1987 CTTC B2K is 0 degrees.


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