supercharger on 93 cobra

90fastang · November 21st, 2009, 07:42 PM

we got a 93 cobra it was all stock and we put a paxton sn93 and it was pulling hard, and we wanted to make it run better so we boght 45 pound injectord, mass air flow sensor, msd 6 btm a tko, spec clutch, biger fuel pump, an e303 cam, and 355 gears, and wen we took it out for a test drive it didint feal like before, it felt way slower, and it didint that hard

sickfox · November 21st, 2009, 07:53 PM

Get a tune?

flyin ryan · November 21st, 2009, 11:36 PM

45lb injectors?

flattusmaximus78 · November 21st, 2009, 11:48 PM

Your lucky you didnt blow it up. You can't add a ton of fuel and leave air out of the equation... it just wont work.

CammedMysticCobra · November 22nd, 2009, 08:07 PM

Its just dumping in fuel

90fastang · November 22nd, 2009, 08:33 PM

Originally Posted by flyin ryan

45lb injectors?

oh my bad there 42 lbs

baine21225 · November 22nd, 2009, 11:43 PM

get a tune, is it the right maf? the e303 cam isn't doing much either

BoostFiend · November 22nd, 2009, 11:52 PM

lol 42lbs is still waaaaaay too big. You can't jsut throw parts on a car and expect them to work without doing research first. Running the stock cam is probably better than the e303 with that setup. No tune is just begging for disaster anyhow.

flyin ryan · November 23rd, 2009, 10:03 AM

The injectors are way to large which is making the car run extremely rich if not hosing down the cylinder walls with fuel.. Thus resulting in poor power plus the tune is probably waaaay of since the stock ecm can only adapt to so much change. I'd personally sell the sn93 and pickup a used vortech s trim or paxton 1000 or 2000 novi used and put those 42lb injectors to use with a dyno tune then you'd be putting down some power in the 400 to 500 range. That sn93 is old technology and produces a ton of heat which negats allot of potential hp which is why I suggested the blowers above but if you don't want to change up your setup which I could obviously understand at least put smaller injectors in that thing and get a tune before you toast it

November 21st, 2009, 07:42 PM	#1
90fastang Newbie 1990 mustang lx 13.04@105 Join Date: Nov 2009 Location: california Posts: 14 iTrader: 0 reviews	supercharger on 93 cobra we got a 93 cobra it was all stock and we put a paxton sn93 and it was pulling hard, and we wanted to make it run better so we boght 45 pound injectord, mass air flow sensor, msd 6 btm a tko, spec clutch, biger fuel pump, an e303 cam, and 355 gears, and wen we took it out for a test drive it didint feal like before, it felt way slower, and it didint that hard

November 21st, 2009, 11:48 PM	#4
flattusmaximus78 I Post Entirely Way Too Much 1993 5.ohhhh 12.97 @140mph Join Date: Apr 2006 Location: Gatorland Posts: 6,122 iTrader: 3 reviews	Your lucky you didnt blow it up. You can't add a ton of fuel and leave air out of the equation... it just wont work. __________________ 02 Pewter z28, hoosiers/lid/exhaust/spray...125mph 1993 gt Sold, already missed --Moates Quarter horse $225-- --Cobra intake $150-- --tremec 3550 bell and shifter $1100--

November 22nd, 2009, 08:07 PM	#5
CammedMysticCobra Regular Mustang MystiqueCobra2004 Join Date: Nov 2009 Location: Florida Posts: 380 iTrader: 0 reviews	Its just dumping in fuel __________________ Full bolt ons Fully built Teksid Block Custom Comp Stage 10s missing JLT, Acufab TB and 2.8 Kenne http://www.youtube.com/user/MysticCobra04 Sold not lost and will never be forgotten.

November 22nd, 2009, 11:43 PM	#7
baine21225 MM Fanatic Join Date: Jun 2007 Location: Baltimore, MD Posts: 4,349 iTrader: 1 reviews	get a tune, is it the right maf? the e303 cam isn't doing much either __________________ "That's how Dad did it, that's how America does it... and it's worked out pretty well so far..."

November 22nd, 2009, 11:52 PM	#8
BoostFiend Regular '03 Cobra, '89 +'91 Notch 11.63@120.08, Cobra Join Date: Oct 2008 Location: Oregon Posts: 341 iTrader: 0 reviews	lol 42lbs is still waaaaaay too big. You can't jsut throw parts on a car and expect them to work without doing research first. Running the stock cam is probably better than the e303 with that setup. No tune is just begging for disaster anyhow. __________________

November 21st, 2009, 11:36 PM	#3
flyin ryan Banned Join Date: Jun 2008 Posts: 3,387 iTrader: 0 reviews	45lb injectors?

November 23rd, 2009, 10:03 AM	#9
flyin ryan Banned Join Date: Jun 2008 Posts: 3,387 iTrader: 0 reviews	The injectors are way to large which is making the car run extremely rich if not hosing down the cylinder walls with fuel.. Thus resulting in poor power plus the tune is probably waaaay of since the stock ecm can only adapt to so much change. I'd personally sell the sn93 and pickup a used vortech s trim or paxton 1000 or 2000 novi used and put those 42lb injectors to use with a dyno tune then you'd be putting down some power in the 400 to 500 range. That sn93 is old technology and produces a ton of heat which negats allot of potential hp which is why I suggested the blowers above but if you don't want to change up your setup which I could obviously understand at least put smaller injectors in that thing and get a tune before you toast it

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