[Stan Weiss]

Originally Posted by Dragncar

The car just took off. I am happy it happened but that big of a jump with 4 deg timing increase still does not make much sense.
I have never heard this engine ping,
But pinging engines would not be making their peak HP, you would think ? I have never dynoed a engine in my life either.
That Sun timing light you like, 7501 ? I will pick one up just to double check my timing light.
But the way I see it, if I got a 1.37 60 foot, there is a 135 in there somewhere. If I got 126 MPH, 130-132 should be within reach.

Troy,
Remember if you picked up HP and Torque with the timing change than your convertor will as act different.

Stan

[Dragncar]

Originally Posted by Stan Weiss

Troy,
Remember if you picked up HP and Torque with the timing change than your convertor will as act different.

Stan

Sure, but .82 from a 4 deg increase in timing ? Never heard of that big a jump. Maybe it happens, first time for me.
There was something weird that happened earlier. After I first started the car I took it to a desolate place at the track and brought the converter up on the brake 2 step set at 3800. Converter was new so I wanted to get some input.
The tach went to 5000 RPM. Turned it up to 4000 and it went past 5000 RPM.
It acted normal after that, tach sort of matched the 2 step RPM. Maybe I have a loose screw holding a wire. I will check them before the next race this weekend.

[gman005]

Yes. NA. My car 60's 1.28 to 1.30. Im going thru the light at 142mph.

[Dragncar]

Originally Posted by Dragncar

Sure, but .82 from a 4 deg increase in timing ? Never heard of that big a jump. Maybe it happens, first time for me.
There was something weird that happened earlier. After I first started the car I took it to a desolate place at the track and brought the converter up on the brake 2 step set at 3800. Converter was new so I wanted to get some input.
The tach went to 5000 RPM. Turned it up to 4000 and it went past 5000 RPM.
It acted normal after that, tach sort of matched the 2 step RPM. Maybe I have a loose screw holding a wire. I will check them before the next race this weekend.

The adjustable RPM selector for the 2 step acted almost dead nuts on as far as RPM when brought up on the converter.
I asked some knowledgeable old racers at the track about it and said those switched do go bad and start to act up.
But it was fine today. Thinking about buying another one but might go a different route.
One of my electrician wizards racer pals has made his own. Its a adjustable small air cylinder that he has on his linkage to set his take off idle. Industrial stuff from Automation Direct. His deal you don't have all that popping and stuttering that is bad for your block.
He made his own delay box too.