NITROUS OXIDE System Designs | Installation| Wet/Dry/Direct Port

200 shot jet size

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Old 09-13-2010, 05:00 PM
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Default 200 shot jet size

i have been wanting to up my shot from 150 to 200 to break the 11s. I have been looking around and cant find the jet size.
the 150 pills i have in it right now only put down 102hp on the dyno
so does anyone know the nitrous express RWHP 200 jet sizes?
mods in sig.
Old 09-13-2010, 09:21 PM
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What injectors and fuel pump do you have right now? Might wanna upgrade if you haven't. The jet sizes that came with my nitrous outlet plate for a 200 shot are 78n2o and 46fuel.
Old 09-13-2010, 09:53 PM
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78 n20 46 fuel it differs depending on wat system ur using
Old 09-13-2010, 10:01 PM
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not to be a dik bro but those numbers ure pushing dnt sound right at all on a 6.o i pushed 440 na on my 346 so maybe ur cam and head setup aint right go with a hellraiser cam and 243 heads at 58cc and itll get u right were u want to be ull be knocking at 11s on a 100 shot for sure
Old 09-13-2010, 10:10 PM
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Originally Posted by casper02
not to be a dik bro but those numbers ure pushing dnt sound right at all on a 6.o i pushed 440 na on my 346 so maybe ur cam and head setup aint right go with a hellraiser cam and 243 heads at 58cc and itll get u right were u want to be ull be knocking at 11s on a 100 shot for sure
so true

what size duals you running?
Old 09-13-2010, 10:13 PM
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Originally Posted by casper02
78 n20 46 fuel it differs depending on wat system ur using
if you read the post that's why I stated the jets that come with my nitrous outlet plate.
Old 09-14-2010, 02:45 AM
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Ok first off i didn't ask if my power was right.
i asked what jet size have stock heads a 230/236 cam almost the same as the hellraiser cam.
i have longtubes and 2.5inch duals with cutouts.
with my 5.3 it went 12.40 on 150 shot same setup just with the 5.3
so i dont see why with a 6.0 and 50 more horse with the nitrous it wont go 11's.
and stock fuel pump and ls1 injectors.
the dyno numbers are on a **** tune on a hot day.
yes i know i need more flow through the exhaust and i also need heads but my goal for right now is 11's without heads.
if it takes a 200 im fine with that.
is the 78/46 pills to the ground power?
right now im using 63/35 pills for a "150" shot
Old 09-14-2010, 10:14 AM
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hey black, i understand ya, and it happens, we just like to see every little bit of power out of someones setup, you got a great setup, and when you posted the power numbers they seemed very low for what you have. correct the problem and the ET's will drop

anyway the jets mentioned are correct.

do you run a wideband? whats the afr
Old 09-14-2010, 03:16 PM
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the a/f on the dyno pulls were in the 10s very fat
i have a new tune a/f around 11.8 or so no track times yet or new dyno numbers.
it went 13.1 on the 6.0 n/a 1.8 60ft.
Old 09-14-2010, 06:15 PM
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Originally Posted by black04silverado
Ok first off i didn't ask if my power was right.
i asked what jet size have stock heads a 230/236 cam almost the same as the hellraiser cam.
i have longtubes and 2.5inch duals with cutouts.
with my 5.3 it went 12.40 on 150 shot same setup just with the 5.3
so i dont see why with a 6.0 and 50 more horse with the nitrous it wont go 11's.
and stock fuel pump and ls1 injectors.
the dyno numbers are on a **** tune on a hot day.
yes i know i need more flow through the exhaust and i also need heads but my goal for right now is 11's without heads.
if it takes a 200 im fine with that.
is the 78/46 pills to the ground power?
right now im using 63/35 pills for a "150" shot
No offense was meant bro I wanted to help u out and hellraiser is a custom cam so there is change I went 11.8 on my bros 5.3 on a 125 shot if u wanna keep ur setup I can suggest u use a plate if u arent already doing so and wrk on your 60 also monitor your botyle pressure cause its essential to running good with n20 your plugs also u might wanna go tr8 so even so without heads u should be good on a 150 just keep at it bro and the best of luck once again srry for the constructive critisism just trying to help and if u ever need advice just ask ill be glad to walk u thru a good setup


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