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09-27-2012, 06:27 AM #136
sounds good gary, hopefully gonna run it on the dyno tonite, waiting on an adapter for the dyno, should be here today
action mobile marine, 772 528 0754, dealers for aces fuel products,wolf efi, pro marine,latham and gaffrig/livorsi. we build gearcases and modify them(3 litre) to ratchet, and powerheads as well. 21 skater/3 litre wolf efi 113 mph the engine build http://www.screamandfly.com/showthre...-3-litre-build
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09-27-2012, 06:59 AM #137
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09-27-2012, 07:35 AM #138
they take the money quickly but refund slowly, lol! got the ra # on monday and sent back, usually its a couple of days
action mobile marine, 772 528 0754, dealers for aces fuel products,wolf efi, pro marine,latham and gaffrig/livorsi. we build gearcases and modify them(3 litre) to ratchet, and powerheads as well. 21 skater/3 litre wolf efi 113 mph the engine build http://www.screamandfly.com/showthre...-3-litre-build
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09-27-2012, 07:46 AM #139
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09-27-2012, 08:40 AM #140
Charlie,
I'm guessing the 45* adapter would not allow the O2 tip to be in the exhaust stream. I think you would want the tip in the stream even if it's shrouded to reduce the possibility of contamination.
You might need something custom. I think I remember seeing a lathe in someones garage when I was down in Ohio... Last I heard he was retired and bored.
Ken
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09-27-2012, 08:43 AM #141
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09-27-2012, 10:29 AM #1425000 RPM
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How about straight in the side of the tuner?
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09-28-2012, 06:35 AM #143
thats what i'm thinking. gary, if i get the measurements of the tip of the o2 sensor could you make an adapter that would go in the side of the adapter plate? apparently the threads on the sensor are 18mm, not sure of the diameter of the tip of the sensor, which would dictate what the male diameter would be. threw her up on the dyno last nite, that thing screams! a couple of times it flashed thru the limiter up to 7400 rpm, pretty wild hearing a 3 litre up that high. peak torque seems to be around 4-4500 rpm. his dyno doesn't give hp measurements, just hyd pressure, but was great for loading the engine for building the fuel map. now i just need to get time to go run it.
action mobile marine, 772 528 0754, dealers for aces fuel products,wolf efi, pro marine,latham and gaffrig/livorsi. we build gearcases and modify them(3 litre) to ratchet, and powerheads as well. 21 skater/3 litre wolf efi 113 mph the engine build http://www.screamandfly.com/showthre...-3-litre-build
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09-28-2012, 07:01 AM #144
Charlie and Gary,
I found an old Denso O2 Sensor from when I did my Chevy LS swap in my Jeep.
Its tip diameter is 12 mm and the projection from the end of the threads is 21.75 mm.
The threads are 18 x 1.50. At the base there is a 2.0mm sealing crush washer and the threads above the crush washer are 7.0mm long.
You probably would want to send a sensor to your machinist just to make sure everything fits.
KenLast edited by Stitch King; 09-28-2012 at 07:03 AM.
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09-29-2012, 10:45 AM #145
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09-29-2012, 06:43 PM #146
Charlie,
Looks like you'll need to send a tap to your machinist too.
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09-29-2012, 06:48 PM #147
Yea it's a PIA. I'm just old enough that when I first started in my career all of the drawings were in done in inches. Then I had to make the switch to the metric system yet some of the old drawings still pop up and I have to take the time to convert back and forth. Like I said it's a PIA.
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09-29-2012, 08:40 PM #148
I have an 18mmx1.5 tap they have used it in the automotive world since the early 80's. But sort of a big hole to to put in an outboard exhaust adapter. They are using O2 sensors in the newer snowmobiles and from what I remember they seemed to be a smaller hole size.
Dave1980 Cougar 19 tunnel,90 2.4L Bridgeport EFI in middle of restoration.
1988 BAJA Sunsport 186, 96 225 Pro Max
79 12' Auminum, 95 Merc 9.9
RIP Stu
"So many idiots, so few bullets"
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09-30-2012, 04:16 AM #149
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09-30-2012, 05:36 AM #150
There is a smaller one that uses a 12mm thread but it's a narrow band sensor opposed to the wide band.