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Forum nameTurbo/Nitrous Tech
Topic subjectHey wyatt or anybody else with machine work
Topic URLhttp://forums.2gnt.com/dcboard.php?az=show_topic&forum=8&topic_id=41
41, Hey wyatt or anybody else with machine work
Posted by Erik, Dec-31-69 06:00 PM
How much was it to get your crank knifedged? Also, did you have the pistons ready to go when they bored the block. They needed mine when I put moly rings in my Chevy. What do you guys think about running stock rods w/ JE pistons. I plan to build this engine up for around 300 horses but I'd like to learn more about boost before I plop the new engine in.(Kill the current one with my mistakes) Thanks in advance.
42, What is knifedged?
Posted by Lee, Dec-31-69 06:00 PM
I'm still pretty new to the performance game. What does it mean to have a crank knifedeged?

Lee

HRC Stage II
Coming Soon!
43, RE: What is knifedged?
Posted by Wyatt, Dec-31-69 06:00 PM
I know I had my pistons when they fif my motor work, not sure if they relly needed them.
I don't see anything wrong with running stock rods if you are hoing or the 300-350 power range. Just get the bottem end balanced :) Do the stock rods even have counter weights to balance them?
When ordering the pistons make sure you ask about using stockj rods. If I remember right the Crower rods and stock rods had different lengths. You might have to get custom pistons. I dunno.
I didn't get me crank knifeedged, I was instructed that puts mor strain on the motor at high RPMS. I kinda wish I had though, just a little bit to help the motor spin a little faster.


Knifedging the crank is basically taking material off the crank to help spin the crank faster, less weight, less mass, less energy it takes to spin the motor.
Wyatt Leras
http://www.turbogs.dsmpower.com
98 Eclipse GS Star Stage 5,000 Turbo kit

44, RE: What is knifedged?
Posted by Erik, Dec-31-69 06:00 PM
Well as far as pistons, you should have them there for final hone. I'll check some more about the piston/stock rod thing. I'll also check on the knifedgeing BTW you have everything balanced when you do knifedge a crank.(FYI) One more question-What's the difference between old AFC's and new AFC's?
Thanks
45, RE: old and new S-AFC
Posted by sean, Dec-31-69 06:00 PM
the old one is about the size of a turbo timer and has 5 dials on it (I think it's 5, no display. The new one is the nice looking digital display.
46, RE: old and new S-AFC
Posted by Wyatt, Dec-31-69 06:00 PM
yes, its does look a lot different buit the new AFC allows you to set low and high throttle fuel curve thats the big difference. Plus being able to monitor you O2 sensor Voltage, MAP sensor Voltage, and pretty much any other voltage you might want to keep an eye on.

Wyatt Leras
http://www.turbogs.dsmpower.com
98 Eclipse GS Star Stage 5,000 Turbo kit

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