Sr20 running really rich and bad - Zilvia.net Forums | Nissan 240SX (Silvia) and Z (Fairlady) Car Forum

theianmcdougall · 08-24-2008, 10:28 AM

i have a redtop sr20det swapped into a s13
i did the swap not too long ago
and its running really bad
its running super rich (lots of black smoke and backfiring)
it also is hesitating and cutting if i try to get on it and around 3 grand when driving it

im pretty sure the MAF is good
so im trying to find out what else it could be

fcdrifter20 · 08-24-2008, 08:50 PM

u need an safc. and tune. had the same problem with mine

0wn3r · 08-24-2008, 09:03 PM

Quote:

Originally Posted by fcdrifter20

u need an safc. and tune. had the same problem with mine

please explain... why would you need an safc?

FusionR240sx · 08-24-2008, 10:39 PM

what mods do you have?
why would you mod a car and not have it tuned before you drive it?

0wn3r · 08-25-2008, 07:49 AM

Quote:

Originally Posted by FusionR240sx

why would you mod a car and not have it tuned before you drive it?

wtf is up with you people? who said he has any mods?

theianmcdougall · 08-25-2008, 08:29 AM

the only mods i have are a FMIC and a walbro 225 fuel pump
so it shouldnt really need a tune cus im still running the stock turbo and stock injectors

and im pretty sure its not a boost leak

cotbu · 08-25-2008, 03:34 AM

Boost Leak!

rb25_s13*CHUKI · 08-25-2008, 05:51 AM

Maf/boost leaks eveywhere! Ah!

duffman1278 · 08-25-2008, 08:41 AM

How do you 100% know its not your MAF at fault, and/or boost leaks? Because even visually, you can't spot some boost leaks. Make a DIY boost leak tester, their cheap and they'll help you find any.

Also, the MAF's are pretty sensitive so how do you know that it works perfect?

0wn3r · 08-25-2008, 10:00 AM

Quote:

Originally Posted by duffman1278

How do you 100% know its not your MAF at fault, and/or boost leaks? Because even visually, you can't spot some boost leaks. Make a DIY boost leak tester, their cheap and they'll help you find any.

Also, the MAF's are pretty sensitive so how do you know that it works perfect?

TY.

make sure it's the right MAF, that it's working..and if you have a boost gauge, post your numbers.

08-24-2008, 10:28 AM	#1
theianmcdougall Zilvia Member Join Date: Jun 2008 Location: louisiana Age: 35 Posts: 251 Trader Rating: (0) Feedback Score: 0 reviews	Sr20 running really rich and bad i have a redtop sr20det swapped into a s13 i did the swap not too long ago and its running really bad its running super rich (lots of black smoke and backfiring) it also is hesitating and cutting if i try to get on it and around 3 grand when driving it im pretty sure the MAF is good so im trying to find out what else it could be

08-25-2008, 03:34 AM	#7
cotbu Post Whore! Join Date: Sep 2005 Location: SWFL Age: 50 Posts: 3,318 Trader Rating: (3) Feedback Score: 3 reviews	Boost Leak! __________________ LoverTechnologies "Half Broken Things!"

08-25-2008, 05:51 AM	#8
rb25_s13*CHUKI Post Whore! Join Date: Mar 2007 Location: Cali Age: 36 Posts: 2,759 Trader Rating: (16) Feedback Score: 16 reviews	Maf/boost leaks eveywhere! Ah! __________________ Obliterate

Thread Tools
Show Printable Version Email this Page
Display Modes
Switch to Linear Mode Hybrid Mode Switch to Threaded Mode

08-24-2008, 08:50 PM	#2
fcdrifter20 Post Whore! Join Date: Nov 2007 Location: riverside, ca Age: 37 Posts: 2,869 Trader Rating: (44) Feedback Score: 44 reviews	u need an safc. and tune. had the same problem with mine

08-25-2008, 08:29 AM	#6
theianmcdougall Zilvia Member Join Date: Jun 2008 Location: louisiana Age: 35 Posts: 251 Trader Rating: (0) Feedback Score: 0 reviews	the only mods i have are a FMIC and a walbro 225 fuel pump so it shouldnt really need a tune cus im still running the stock turbo and stock injectors and im pretty sure its not a boost leak

08-25-2008, 08:41 AM	#9
duffman1278 Post Whore! Join Date: Apr 2007 Location: Covina Age: 37 Posts: 2,844 Trader Rating: (8) Rides Gallery: duffman1278 Feedback Score: 8 reviews	How do you 100% know its not your MAF at fault, and/or boost leaks? Because even visually, you can't spot some boost leaks. Make a DIY boost leak tester, their cheap and they'll help you find any. Also, the MAF's are pretty sensitive so how do you know that it works perfect?