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Thread: 30cc heads on 225 Pro Max
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12-13-2019, 09:37 AM #1
30cc heads on 225 Pro Max
What's a good guess on the compression? Thanks Mike
Cheaters never Win !!!
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12-13-2019, 10:33 AM #2Screaming And Flying!
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with a stock brain too much lol dont know myself i never ran anything over 32cc and promptly melted #5 on my first blown 225 my own it had 155/ 160 and this motor was 4 years old with oiler gone
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12-13-2019, 11:07 AM #35000 RPM
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What kind of octane you have ?
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12-13-2019, 11:23 AM #4
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tlwjkw liked this post
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12-13-2019, 11:25 PM #5
30 cc will be 165 ish.
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mach351 liked this post
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12-14-2019, 07:43 AM #6
Factory stock Pro Max 225. I couldn't tell you the port height. Going to clean up the exhaust ports and chest a bit over the winter. Going to delete the vst. Saw the 30cc heads for sale and wondered where that would put compression. After the mods are done the computer will be reflashed. Need the rev limiter gone anyways. Thanks for the help. Mike
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12-14-2019, 11:02 AM #75000 RPM
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You will like that warmed up Pro Max.
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12-14-2019, 11:58 AM #8
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12-14-2019, 02:42 PM #9
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tunnelmike liked this post
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12-14-2019, 04:37 PM #10
That's about where I'd like to be. 175-180 lbs. Figure with the clean up and compression it should do pretty good.
Anyone ever put 26's ?Cheaters never Win !!!
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12-14-2019, 06:42 PM #11
26cc is 180 if the bores seal
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tunnelmike liked this post
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12-14-2019, 11:28 PM #12
Agreed....I had 185psi on my 200 with 26’s and .75’s.....it was pretty worn out tho
'95 STV "The Blue Goose"
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12-15-2019, 09:03 AM #13
Mach , what fuel did you run ? Was it worth it ?
I don't want to have to run straight race fuel in this motor.Cheaters never Win !!!
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12-15-2019, 09:08 AM #14
I mixed 93 and 110 50/50. Ran good. EE carb stock porting went 116mph at River Ranch.
'95 STV "The Blue Goose"
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tunnelmike, Capt.Insane-o liked this post
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12-15-2019, 02:30 PM #15
That's pretty impressive !! 50/50 with 110 could still get pricey. Might look into the 30cc's
Cheaters never Win !!!
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