Purchase 2 Stroke Spreadsheets
My favorite saying is "If you want something done right you have to do it yourself". Like the Nike ad says "Just Do It" and buy the software. I want you to be successful at improving your ride. I tell you it is an amazing feeling riding a bike that has your own design changes on it. Just amazing. Can anyone do this? Yes, of course! I knew nothing about metal works when I started out. But then I sculpted my own head with squish band, made a boost bottle, balanced my crank, ported the cylinder, and made my own pipes. Turn the page to a new chapter in your book of 2 stroke experience and buy it. Live wide open throttle! 
Test A Sample Spreadsheet
They also work on most cell phones with Excel or Open Office. Click here to download a sample Excel spreadsheet to see if it functions OK on your computer or cell phone. There is a test macro at its bottom left. If it don't work then you can't use the spreadsheets with macros. Crank balance has a macro for making one graph but it isn't essential.
On-Line Excel
Without Excel on your computer you can use my non-macro spreadsheets (Jetting, Squish, Crank, Boost Bottle, Fuel/Oil Ratio, Keihin Needles, Deck, Various)
Just go to office.com and make a free account, enter and click on Excel, Blank Workbook, One Drive, My Files/(folder on your computer to look for the spreadsheet you want to use), Upload Files, then after it is uploaded into your One Drive just double click on it to use it on-line.
GUARANTEE: If you don't get good results then I'll give you your money back. But before doing anything you'll need to email me the spreadsheet so I can make sure you've used it correctly. Be sure to read the usage instructions for each before buying.
Why These Are So Cheap:
1) I want the greatest number of people to have them. 2) I have no extra costs such as website management, advertising, salaries of other employees. If you want to pay more then here is my expensive competition; 27 programs for $209 USD
for pipe calc, squish velocity, etc
crankshaft calculator $405
squish velocity calculator $133, pipe calculator $249
pipe calculator $190
port design calculator using the old formulas $24
pipe/porting $400usd
Scroll down to the bottom for a 50% discount on the whole set of programs.
Expansion Chamber Calculator
This is the best pipe calculator without excessive need of every engine detail.
Click here to add the spreadsheet listed above to your Paypal Cart:
High RPM Expansion Chamber Calculator
This is my latest calculator for the little high reving engines.
Click here to add the spreadsheet listed above to your Paypal Cart:
Crank Balance Calculator
Put an end to annoying engine vibrations. This is the best on the market.
Click here to add the spreadsheet listed above to your Paypal Cart:
Jetting Calculator
An exacting way to determine best needle without buying many and doing it trial and error.
Click here to add the spreadsheet listed above to your Paypal Cart:
Porting Calculator
Synchronize port durations with exhaust port size for desired peak power RPM.
Click here to add the spreadsheet listed above to your Paypal Cart:
Squish Velocity Calculator
Fine tune for best squish by RPM, compression, and exhaust port duration.
Click here to add the spreadsheet listed above to your Paypal Cart:
YEIS (Boost Bottle) Calculator
For trail and street bikes to eliminate the pre-powerband power dip.
Click here to add the spreadsheet listed above to your Paypal Cart:
Fuel/Oil Ratio Calculator
Calculates the minimum amount of oil to use based on oil viscosity and estimated upper cylinder temp.
Click here to add the spreadsheet listed above to your Paypal Cart:
Carburetor Calculator
Calculates the correct size carb according to four variables.
Click here to add the spreadsheet listed above to your Paypal Cart:
The package deal is without the high RPM pipe calculator.
Click here to pay for full calculator set via Paypal:
The Expansion Chamber Calculatior is not available in Open Office.
a57ngel@yahoo.com
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