Duneable Tranny Rebuild!!
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Porting by Computer
In depth TechRule #1: There’s more or less a set amount of power available for you to manipulate. If you port for high RPM power then your low/mid-range power will suffer. You are robbing Peter to pay Paul. Rule #2: You are pretty much stuck with the porting arrangement the factory put in your cylinder. If...- 1
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Jaguar57 · updated
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Modding a Motocrosser for Trail Use
In depth TechEssentials to know first: The peak power and length of powerband are mostly controlled by the design of the expansion chamber. The engine porting determines whether high RPM or mid range RPM is where the engine harmonizes the most for the most power (relatively speaking). The carb size favors...- 0
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Jaguar57 · updated
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My Engine Oil Summary
In depth TechMy Engine Oil Summary Fully mineral oil (petroleum oil) protects OK but only when using a generous amount of it. But using a high amount of it dirties the engine and the exhaust pipe quickly with carbon. This is definitely not good for engines with exhaust valves. But if you are after high...- 0
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Jaguar57 · updated
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Why Simple Pipe Calculator Formulas Aren't Enough
In depth TechHere's my assessment of the formulas proposed by Gordon Jennings way back in the early 70's. They were just beginning to investigate back then and so were starting from scratch. Jennings main shortcomings; 0. He assumes the same temperature and sound wave speed inside all pipes. 1. Because of...- 0
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Jaguar57 · updated
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Carb Tuning Info
In depth TechHere's a good read: Carb Tuning & Understating Carburation , Going to pin it up as well. :thumbsup:- 1
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2-Stroke OTM · updated
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