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Kelsy H 
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Joined: 15 Jul 2013
Location: KY
Points: 45
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 Topic: Injector spray pattern
Posted: 18 Jul 2013 at 5:01pm |
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Dr. Allis, I have a 21 running a 45 head 320 cc, stock bore and stroke , four hole 20's checked spray pattern starting to top the bowl. 3k class running pretty good 7 th gear . Not burning pistons , and don't want to any help thanks in advance, Kelsy H
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DrAllis
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Joined: 12 Sep 2009
Points: 19556
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Posted: 18 Jul 2013 at 6:59pm |
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There's more HP to be had with a bigger/beter turbocharger and an ice water intercooler and camshaft change than any change in the spray angle of the injectors. More fuel without changing injector spray angle will yield more HP too. The original engineers spent a lot of time and $$$$ coming up with what you've got for a spray pattern and that includes the 34 to 38 degree pump timing.
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Kelsy H
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Joined: 15 Jul 2013
Location: KY
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Posted: 18 Jul 2013 at 8:33pm |
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I agree with the turbo and cooler but rules are 2.3 charger and no cooler I was just worried that the spray was too close to the top still playin with timing but only 2 degrees at a time. Running a Mr. plates cam going to try an offset woodruff key next. Thankyou for the advise just worried the spray was too close
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DrAllis
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Posted: 18 Jul 2013 at 9:40pm |
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What is the pump timing set at ?
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DrAllis
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Posted: 18 Jul 2013 at 9:52pm |
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And what turbo are you using ?? Hope something better than a 3LM Schwitzer.
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Kelsy H
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Location: KY
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Posted: 19 Jul 2013 at 3:47am |
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36 and a H2
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DrAllis
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Posted: 19 Jul 2013 at 6:37am |
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Probably should get you set-up with a water/alcohol injection system.....that's good for 60 to 70 HP with the flip of a switch.
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Kelsy H
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Location: KY
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Posted: 19 Jul 2013 at 12:21pm |
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Ran water in the past, and you are correct a lot better ride with water but with all good things our class band use of water thanks for all the tips and thankyou guys for this site
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mlpankey
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Joined: 13 Sep 2009
Location: Vols country
Points: 4580
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Posted: 19 Jul 2013 at 8:41pm |
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have they banned nitrous . some of the trucks around here have found out its cooling effects when it froze their snow water injection systems.lol even propane gets cold
Edited by mlpankey - 19 Jul 2013 at 8:42pm
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injpumpEd
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Location: Walnut IL
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Posted: 19 Jul 2013 at 9:54pm |
 mlpankey wrote:
have they banned nitrous . some of the trucks around here have found out its cooling effects when it froze their snow water injection systems.lol even propane gets cold |
If they don't allow water, they sure as heck won't allow NOS. Around here the stock trucks try running it, but if caught, they don't have to worry about pulling anymore.
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210 "too hot to farm" puller, part of the "insane pumpkin posse". Owner of Guenther Heritage Diesel, specializing in fuel injection systems on heritage era tractors. stock rebuilds to all out pullers!
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