advance curve mod

michaedo · 03-01-2009

Still waiting for my seats to get back so
have been doing little projects that have
been needing to get done. Friday I took
the dizzy apart, riveted the points plate
and replaced the springs on the weights.
I am amazed! What is maybe equal to the
weight of a couple of tylenol tablets could
make such a difference! Course can't do
any kind of road test just yet but sitting
in the drive and revving up can say a lot.
Now I wait for my compu-fire. (oh yeah,
and my seats.)

wrench459 · 03-01-2009

What initial and total are you running?
Maybe we could make a safe timing curve for the various compression ratios.

michaedo · 03-02-2009

Hello Dan,
I have no way of actually checking the advance other
than to say a tad beyond 0*, (maybe 5* BTDC) with
full advance experienced at about 4K rpm, full advance
being about 30* total. Again, I don't have a timing
light that I'm able to dial in, I'm just going by the marks
on the crank pulley.
Don.

jeff denton · 03-02-2009

Remember, the teeth on the flywheel can be used as the biggest, most accurate timing marks possible. They have to be read from underneath, though.
You really DO want to know what your full advance is, and at what RPM it gets there.

michaedo · 03-02-2009

Yeah, I even marked the flywheel when I was getting
the valve timing set up. I gave some thought to going
as far as lifting and looking but remember the trouble
I had getting the dust cover off. That was the biggest
problem encountered. Once the compufire system is
installed I'll probably climb underneath and dial it all
in.
Don.

03-01-2009	#1 (permalink)
michaedo Member Join Date: Nov 2002 Location: Sacramento Posts: 190 Provided Answers: 1	Unanswered: advance curve mod Still waiting for my seats to get back so have been doing little projects that have been needing to get done. Friday I took the dizzy apart, riveted the points plate and replaced the springs on the weights. I am amazed! What is maybe equal to the weight of a couple of tylenol tablets could make such a difference! Course can't do any kind of road test just yet but sitting in the drive and revving up can say a lot. Now I wait for my compu-fire. (oh yeah, and my seats.)

03-02-2009	#4 (permalink)
jeff denton former opel racer Join Date: Nov 2002 Location: near some glaciers Posts: 2,863 Real Name: Jeff "Oh-Oh" Denton Provided Answers: 4	Remember, the teeth on the flywheel can be used as the biggest, most accurate timing marks possible. They have to be read from underneath, though. You really DO want to know what your full advance is, and at what RPM it gets there. __________________ No Opels were harmed in the filming of this movie. However two Mustangs, a Pinto, and a Capri were hospitalized. One Mustang was euthanized the next morning.

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03-02-2009	#3 (permalink)
michaedo Member Join Date: Nov 2002 Location: Sacramento Posts: 190 Provided Answers: 1	Hello Dan, I have no way of actually checking the advance other than to say a tad beyond 0, (maybe 5 BTDC) with full advance experienced at about 4K rpm, full advance being about 30* total. Again, I don't have a timing light that I'm able to dial in, I'm just going by the marks on the crank pulley. Don.

03-02-2009	#5 (permalink)
michaedo Member Join Date: Nov 2002 Location: Sacramento Posts: 190 Provided Answers: 1	Yeah, I even marked the flywheel when I was getting the valve timing set up. I gave some thought to going as far as lifting and looking but remember the trouble I had getting the dust cover off. That was the biggest problem encountered. Once the compufire system is installed I'll probably climb underneath and dial it all in. Don.

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