This is topic Nos in forum Tech Talk at Northern California Ford Owners  .


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Posted by purple hatch (Member # 6131) on :
 
Does anybody now if a 90 5.0 motor with gt-40 iron heads,trick flow intake,e303 cam, 24pound injecters. Could handle 150 shot of nos because i brought the stage 2 kit from summit. An i also have 155lph fuel pump? Here are the kit numbers from summit nos-05115nos,nos-0015nos thanks
 

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Posted by mustanggt5091 (Member # 444) on :
 
150 is pushing it but use 91 octane, take out some timing and mayube 2 steps colder plugs should do it!!! The kit comes with a fuel pump that I believe is a 190 or 255 wich would be better than the 155. Make sure you have a ajustable fuel pressure regulator also. The biggest issue is since its a dry kit making sure your fuel system can make up the difference. Id look into a good tune as well
 

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Posted by nitrous_bob (Member # 77) on :
 
you can always jet it down a bit....125 is perfectly safe, if you have a 190 pump and 24 lb. injectors i would say go for it.

if you bump the jets down to 100, then you need to unshim the regulator. you'll see it in your directions....you need to shim w/ 125 and up, here are the jets needed for diff settings

NOS Dry kit jetting:
Nozzle---tee---HP
#42 #67 =75
#47 #53 =100
#52 #62 =125
#67 #42 =150
#73 #42 =175
 

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Posted by purple hatch (Member # 6131) on :
 
Thanks for the feedback but the upgrade kit came with a fuel pump for 150 shot of nos.AN i have 24 pound injecters on my car. So i should be ok? The kits or in summit in the mustang section.I listed the part numbers. thanks
 

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Posted by 1SLOWLX (Member # 558) on :
 
Get a wet kit more power and I think they are safer nitrous with fuel
 

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