nhromyak

Can anyone tell me what effects I may encounter with too small a Cylinder Displacement setting will have?

It was set for 712 CCs. But my BBC is at 833.

A 15% difference!

nhromyak

OK, no one answered?

Should I be looking or otherwise modifying this at all???

JohnL

'730 and a TBI- interesting combination- I hope someone's worked out how to make it drive P&H injectors. What mask ID are you running?

IIRC, some masks don't have anything change with cylinder size, while in others, 15% too small a cylinder size, and you have 15% too little fuel. The masks I'm familiar with use an injector constant that's based on L/gm per sec, and it's critical to be correct, but YMMV.

It probably won't hurt to use the right number (unless the wrong one has been used as a kludge).

John

nhromyak

Thanks for the reply.

I am not sure if these are P/H injectors or what they are for that matter.

This will only affect high-rpm runnings- right?

How can I check all this stuff? Grumpy said something similar in another post about this combo....

Something about changing my drivers???

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I had my VEs all set, then I went and changed the cyl volume.

Now it's all lean

I thought if I made the cylinders bigger, it MIGHT ADD fuel...

On the plus side, after an initial stumble this evening it TOOK OFF like I never felt before! WOohooo!

Then it went back to an idle and flooded itself to a stall.

Before the intial stumble was a LEAN fuel condition. It may still be a problem with the PE. I didn't log the accelerations, I was just trying to get my VEs settled.

But now I lost my placement in my BINs.
I got the dates and times mixed up.

Back to the drawing board.