bartman Posted November 24, 2023 Author Posted November 24, 2023 On 11/8/2023 at 7:57 AM, peter1127 said: GSXR1127 1992 model with 40mm carbs I fixed the issues. Now I need to sort the clutch slip lol. Quote
peter1127 Posted November 24, 2023 Posted November 24, 2023 23 minutes ago, bartman said: I fixed the issues. Now I need to sort the clutch slip lol. ah good! What did you do to fix it? Quote
johnr Posted November 30, 2023 Posted November 30, 2023 As a mere observer of the world of boosted engines, am I right in assuming also that the carb breather and float chamber need to be vented to the boosted pressure rather than just to atmosphere? Quote
Reinhoud Posted November 30, 2023 Posted November 30, 2023 4 hours ago, johnr said: As a mere observer of the world of boosted engines, am I right in assuming also that the carb breather and float chamber need to be vented to the boosted pressure rather than just to atmosphere? Correct, Float chamber needs boost pressure. Quote
bartman Posted December 24, 2023 Author Posted December 24, 2023 It's all sorted the carb vent is running to the pitot tube. I just need to fix the clutch slip Quote
bartman Posted December 24, 2023 Author Posted December 24, 2023 On 11/30/2023 at 3:06 AM, Reinhoud said: How big is the plenum? It's 2L might make it bigger not sure yet Quote
Reinhoud Posted December 25, 2023 Posted December 25, 2023 (edited) 11 hours ago, bartman said: It's 2L might make it bigger not sure yet 2 times the displacement should be right. Some bikes run fine on a small plenum, some do need a bigger plenum  Edited December 25, 2023 by Reinhoud Quote
bartman Posted December 25, 2023 Author Posted December 25, 2023 10 minutes ago, Reinhoud said: 2 times the displacement should be right. Some bikes run fine on a small plenum, some do need a bigger plenum  It's a single cylinder. The plenum needs to be bigger if anything. I ran a direct short plenum before and it just bogged out. Needs a gulp of air to get the turbo spinning. And I know it adds lag 1 Quote
Gixer1460 Posted December 25, 2023 Posted December 25, 2023 8 hours ago, Reinhoud said: 2 times the displacement should be right. Some bikes run fine on a small plenum, some do need a bigger plenum  Er? - Its a 200cc engine - at 2.0L plenum capacity, that is 10x not 2x ! Quote
Reinhoud Posted December 25, 2023 Posted December 25, 2023 13 minutes ago, Gixer1460 said: Er? - Its a 200cc engine - at 2.0L plenum capacity, that is 10x not 2x ! I know, I mean it's not too small Quote
bartman Posted January 18 Author Posted January 18 On 12/25/2023 at 6:09 AM, Reinhoud said: I know, I mean it's not too small Ya Im stripping the engine down again going to a lower compression ratio. Water meth and more boost. Will find out if the crank can take it haha Quote
Reinhoud Posted January 19 Posted January 19 14 hours ago, bartman said: Ya Im stripping the engine down again going to a lower compression ratio. Water meth and more boost. Will find out if the crank can take it haha You got a spare engine? If the crank can't handle it, the crankcase is gone too most likely, ask me how I know.. Quote
bartman Posted January 19 Author Posted January 19 16 hours ago, Reinhoud said: You got a spare engine? If the crank can't handle it, the crankcase is gone too most likely, ask me how I know.. Lol the cases are cheap. I'd love to throw a forged rod in it if I could even buy one 1 Quote
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