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I CNC some buzzard spacers from time to time.
2 inches tall. Just stack them. Call if it is of interest.
Pictures are not high resolution but are those holes something that was previously welded/fixed?
I thought you were describing pistons hitting...
Just guessing that you will find that the chamber crashing started at the bottom end.
Clarifying. Are your new pistons coming with 1: .001 pin clearance OR 2: will the buttons be .002 larger on the diameter?
All I ask for is hypothetical correctness. :)
As to a HP answer you will need to talk to someone that has had your combo on a dyno and tried...
I realize what you are trying to ask but your example is wrong.
Assuming a good tuneup to begin with.
With no main change the smaller nozzles will...
I think you dodged a bullet there.
Sounds like a craigslist pro.
Be careful what you wish for.
The maintenance expense goes up exponentially about every 1/2 second.
Other thoughts and observations..
This is silly.
Unless you have left something out I think it is time to call Spud and see if you both were on the same page when this all started....
Are you sure that is a high speed?
Jet size and spring pressure please.
Spitting on the burnout can be expected. No load to burn fuel.
Yup, the first post says it runs fine and doesn't blubber.
That would lead most of us to think there has to be a pump sizer / loop somewhere in...
Actual altitude please or which track.
Looks to me like you only made about a 1% tuneup change so it makes some sense that it looked like nothing happened.
Are you running at high...
I suspect based on your own observations that you are still too rich.
Measured Pump flow?
Altitude you race at?
Does UPS not have overnight service to your area?
I don't have any advice on that blower but I must point out the following.
Altered not governed by weight rules
No limits on...
Real interesting theory but I has me doubts.
Wonder if the loctite company can shed any light on it.
Things that go bump in the night.
I had the gear come loose and shear the pin on one of my own engines after building maybe a hundred the same...
A buddy tried the wing thing back when it was the cool thing to have. He tried real hard to fudge the numbers but he got nothing out of it. Later...
As a chebby guy I can attest the Dunn offsets do work well.
However, if you spend the money to move the mag up front you will never regret it.