SMOG PROBLEMS
I have a 95 5.0 gts mustang, gt 40 block. 302.. trick flow streat heat heads, track heat intake manifold, 80mm maff , stage one
trick flow cam. 9 lb powerdyne supercharger, 190 lph fuel pump, 24 lb injectors, bbk fuel pressure reg. powerdyne fuel management unit, headers . h pipe 2 chamber flows, 1.6 roller rockers . msd 6a btm ignition . The problem is Im getting 3000 hc's all the way through the powerband, this was a problem before the supercharger too. I can not run cats because it will burn them up . does any one know how to get the hc/s down for smog? [IMG]local://upfiles/33644/1651307CF5D240AFAA655A48E086E2E7.jpg[/IMG] |
RE: SMOG PROBLEMS
I dont understand what you mean about burning up your cats?
Why cant you run cats? Thats what you need, that what they're there for. to get rid of hydro-carbons, smog pump too pumps fresh air into exahust to help burn off remaining HC's. No reason you shouldn't be able to run some nice high flow cats on that set-up. A good dyno tune of the EEC to optimize air fuel ratios and timing would help too. |
RE: SMOG PROBLEMS
CAT CONVERTERS ARE DESIGNED TO BURN ABOUT UP TO 300 HCS NOT 3000.. THE GET RED HOT AND THEN MELT ON THE INSIDE
UNLESS THERE IS A CAT OUT THERE THAT I DONT KNOW ABOUT.. IF THERE IS PLEASE LET ME KNOW |
RE: SMOG PROBLEMS
if you're 10x's over what a cat is designed to handle then
it sounds to me like you have some serious tune issues. an EFI engine s/c or not should not be that dirty. Did you remove the EGR? the computer has to be told the EGR is turned off with a custom chip. ORIGINAL: mstang95 CAT CONVERTERS ARE DESIGNED TO BURN ABOUT UP TO 300 HCS NOT 3000.. THE GET RED HOT AND THEN MELT ON THE INSIDE UNLESS THERE IS A CAT OUT THERE THAT I DONT KNOW ABOUT.. IF THERE IS PLEASE LET ME KNOW |
RE: SMOG PROBLEMS
I KNOW .. ISINT THAT WEIRD. I DONT HAVE ANY CODES IN THE COMPUTER, THE EGR IS HOOKED UP, AND SO IS THE SMOG PUMP.. NO MISFIRES EVERYTHING IS WORKING GREAT AND THE VEHICLE RUNS REALLY GREAT. COULD IT BE THE CAM 511 LIFT 276 DURATION???
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RE: SMOG PROBLEMS
Did you ever have a custom chip burned from a dyno tune?
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RE: SMOG PROBLEMS
NO IT DOES NOT HAVE A CHIP AT ALL AS OF THE MOMENT.. I LIVE IN RENO NEVADA AND THERE IS NO GOOD DYNO TUNING PLACE AROUND HERE.
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RE: SMOG PROBLEMS
i bet thats your problem, you can get these EFI cars to
run on a s/c with out updating the computer, but they're going to give you the problems you're having. Get it dyno tuned, then see where your emmissions are at. It bet they come WAY down, and you pick up some hp. You're really supposed to tell the computer if you change injectors and mass air and especially with an s/c you can always try www.tweecer.com and try and do some of the more basic tune stuff your self. If you get TweecerRT it will let you see exactly what the EEC is seeing along with changing parameters. SN95 computers were supposed to be even more touchy of cam changes too. |
RE: SMOG PROBLEMS
OK WELL THANKS FOR YOUR HELP I WILL TRY THAT
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