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Thread: Stator differances
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03-22-2018, 06:53 PM #16
Where can i get a list of part pn# for the correct ignition or be pointed in the direction tp look
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03-22-2018, 06:56 PM #17
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03-22-2018, 07:00 PM #18
CDI’s website is helpful to look stuff up and compare part #’s. They also have a big PDF troubleshooting manual that’s worth twice the price (free!).
Mallory switch boxes used to be the best, they sold out to Sierra a few years back. The Sierra should be the same. The only parts I’d be wary of is the blue CDI “race” stuff. It must be used as a set and id “digital” which as far as I can tell just means it may or may not get along with your particular flywheel magnets!Josh Peterson
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03-22-2018, 07:11 PM #19
I using wh-22 carbs with the slosh tubes and baffles which i believe were on the old oval port mod-vp motors. Ive got .086 mains in it know but would like to know what the factory idles where
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03-22-2018, 07:12 PM #20
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03-22-2018, 07:18 PM #21
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03-22-2018, 07:24 PM #22
At this point im thinning its was a pieced together igniton that was on a running motor but not original to the motor it was on
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03-22-2018, 07:28 PM #23
Mother Merc was known to throw stuff together using what parts they had on hand. Anything is possible now that time and PO’s have gone by!
Josh Peterson
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03-22-2018, 07:37 PM #24
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03-22-2018, 07:51 PM #25
Found this on another thread "Not a rev limiter built in. Theres differences in the ohms. The output between stock and high perf is different. The high pref switchboxes have better electronics ( transistors etc.) in them. This will allow a motor to spin at higher RPMs before the spark signal to the coils "brakes down" as compared to the "standard" switchboxes. Stock box will read 14,000 ohms. HighPerf box will read 9,000 ohms."
Pro Marine sells a Mercury racing High Perf switch box and another that fits 135-200 hp
Rob Lankford
1988 20' Action Marine 2.4 200
Previous owned boats worth mentioning
1976 17' Action Marine 2.4 200
1984 20' Action Marine 2.5 200
1983 17' Hydrostream V-King 2.4 Bridgeport
2003 LPB STV RR COPY 2.5 280 /300 Drag
2005 LPB STV RR COPY 2.5 280
2005 Baja 23 Outlaw 6.2 Mercruiser
2006 FTP Quarter Shot T3 Race 2.5 200 CARB/2.5 225 PROMAX
2009 FTP Quarter Shot T3 Race 2.5 280
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03-22-2018, 08:51 PM #26
jus gonna throw this out there.. I've turned a35's/a66's, no regulator, green fw with a12's/a14's ta 9 grand on several motors without any problems.... saved $$$.. .. now a 10 grand + motor might be a different story..
only built a coupla those but did use tha high dollar junk on 'em jus in case...Last edited by tlwjkw; 03-22-2018 at 09:01 PM.
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03-22-2018, 09:03 PM #275000 RPM
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maybe you're running out of horsepower.
boat weight, timing, engine height, etc.
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03-22-2018, 09:09 PM #28
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Noah Burns, Ace liked this post
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03-22-2018, 10:56 PM #29
Hull weight im not sure on, brochure from the manufacturer says 750. My timing is set to 25 deg wot at cranking speed. CL of prop shaft is 1.25" above. 26p pulls to 7000 rpm and stays. 24p just pulls to 7000 quicker then peters out. Running out of hp is going to be a disappointment
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03-23-2018, 04:14 AM #30
22 factory are.. mains, 1,3,4,6= 074's, 2,5=076's (think most charts show wh 46's on carb BP.. 22's were mostly oval port motors)
idle, all 44's/46's I think?...........
jan.... if ya start changin' mains, pay attention no mater what merc actually calls for..........
25*?.. indexed flywheel or jus number one?Last edited by tlwjkw; 03-23-2018 at 04:36 AM.
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