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Author
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Topic: Smog legal cam for 347 stroker?
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Black88GT
CAFords OG
Member # 394
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posted
 
 
Hey guys what cam would be best in a 347 stroker to pass smog? What would be the best cam for power? Thanks for the help!
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2000 Griggs Racing GT
2012 Kona GT500
Posts: 991 | From: Alameda | Registered: Aug 2001
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threethirty1
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Member # 7814
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posted
i run tfs 1 in my 331....until i get it smogged..then im getting a custom..but its pretty docile, a good dd cam. But it falls on its face at like 6200. Thats my experince... ![[burnout]](graemlins/burnout.gif)
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1987 Black GT
factory zero option car
Posts: 777 | From: North Bay | Registered: Jul 2007
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Black88GT
CAFords OG
Member # 394
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posted
Thank you! How would a E cam work in there? Would it pass with it? When you say custom, who does that for you? Does it go by your heads and intake? I havent decided on an intake yet, but Im running GT40 alum heads. Also what compression should I run?
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2000 Griggs Racing GT
2012 Kona GT500
Posts: 991 | From: Alameda | Registered: Aug 2001
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2stangs69-91
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Member # 1951
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posted
you always will be taking a chance with any aftermarket cam. I run a XE274HR comp cams in my 331 stroker with GT40 aluminum heads. It passed the tail pipe emissions test about a month ago. I ran hotter than stock plugs set the timming down to 7 degrees and put in fresh oil. it passed with out a 3 min cat warm up.
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69 Mustang on hold
1991 LX hatch getting a make over
1994 F150 4X4 351
2006 Yamaha V-max 1200 Modded
Posts: 3711 | From: Redding | Registered: Oct 2002
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92LSCSE
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Member # 7689
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posted
friend of mine has an E cam in his 351w, AFR heads, 24lb injectors. He passed at a test only station without any problems.
Posts: 39 | From: Carmichael, CA | Registered: May 2007
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forced331
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Member # 1270
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posted
"Needacage" has a custom smog legal cam in his 347 that passed smog. I think he went with HTI?
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1992 Ford Mustang LX (Original Owner)"Titanium Frost" 331stroker S-Trim, 5spd
2014 Ford Mustang GT- daily driver
Posts: 1154 | From: Sonoma County | Registered: May 2002
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mikeceli
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Member # 8389
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posted
Hi! I'm new to the forum, but not new to Fords. I bought my first car(1970 Mach 1, 351C 4V AT) in 1972. And plenty more since. I'm thinking 331 or 347 for my 88 Lincoln Mark VII LSC. Must pass cali "test only" smog.
You guys who have passed, what year is your VEHICLE(standards may be different). Anyone know more about "needacage" 's setup?
I'm just desiring a MILD increase in torque........., I won't be manually shifting the AOD. No racing, another 75-100HP would be fine!! I do not want to give up any standard features(ABS, Cruise, etc.).
So I'm thinkink 331 or 347 when my 236770 mile 302 gives up. No Nitrous. Thanks, Mike C.
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God Bless America!
88 Mark VII LSC/00 Excursion Diesel/94 Thunderbird SC/01 Corvette/79 "Bandit" Trans Am/83 Cordoba
Posts: 33 | From: N. California, Sonoma County | Registered: May 2008
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vpr_klr
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Member # 3353
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posted
quote:
Originally posted by Black88GT:
Hey guys what cam would be best in a 347 stroker to pass smog? What would be the best cam for power? Thanks for the help!
it all depends on the seperation angles and individual duration on the intake and exhaust.
the XE274hr is the largest cam I've seen pass smog in any motor.
I had a XE282hr in a 377 pass before but that was with brand new cats.
New cats will usually hide anything. Problem is, if for some reason you get sent to a referee, buying new cats for all your smogging occasions can get pricey.
I would check out comp's ford stroker cams.
but you have to have a pretty healthy induction and compression ratio to take advantage of those cams.
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Project crustang has begun
14 mustangs and counting...
Posts: 893 | From: Livermore | Registered: Oct 2003
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mikeceli
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Member # 8389
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posted
As far as cam is concerned, I am looking for low range torque, 1200 to wherever the AOD upshifts in D or OD.
Posts: 33 | From: N. California, Sonoma County | Registered: May 2008
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SmokinLX
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Member # 1684
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posted
Go custom if You are going to do it all . No need to guess when You can spend an extra 100-150 buck's and get the rite one the 1st time.
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Dont claim power if ya cant mile per hour. 10 second AOD
Posts: 4388 | From: East Bay | Registered: Aug 2002
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Yellow94GT
Mr. 60 FT
Member # 431
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posted
I would also say a custom camshaft would be the best way to go, but for the bang for the buck, it is very hard to beat the XE274. I know of a few more of these cams in stroker motors that didn't have any problem passing the sniffer.
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AED
1994 GT Bucket that will likely never run
1999 SLOLEEN Twin Turbo Coyote
2008 F250 580 RWHP 1129 RWTQ
Posts: 5990 | From: Cameron Park, Ca | Registered: Sep 2001
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mikeceli
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Member # 8389
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posted
Custom from who?
How about Coast High Performance's "california legal 347" ? It uses a 4018 (forgot brand) cam.
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God Bless America!
88 Mark VII LSC/00 Excursion Diesel/94 Thunderbird SC/01 Corvette/79 "Bandit" Trans Am/83 Cordoba
Posts: 33 | From: N. California, Sonoma County | Registered: May 2008
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mikeceli
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Member # 8389
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posted
Thank you all for your input. MikeC
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God Bless America!
88 Mark VII LSC/00 Excursion Diesel/94 Thunderbird SC/01 Corvette/79 "Bandit" Trans Am/83 Cordoba
Posts: 33 | From: N. California, Sonoma County | Registered: May 2008
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SmokinLX
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Member # 1684
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posted
quote:
Originally posted by mikeceli:
Custom from who?
How about Coast High Performance's "california legal 347" ? It uses a 4018 (forgot brand) cam.
Get a hold of Jay @
http://www.camshaftinnovations.com/ He can make You a custom or I believe He will recommend an off the shelf for $50 buck's. He has been around forever and has a great reputation!
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Dont claim power if ya cant mile per hour. 10 second AOD
Posts: 4388 | From: East Bay | Registered: Aug 2002
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STREETFIGHTER50
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Member # 2973
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posted
so the xe282 has passed thru the tails huh? that's what i have in my 331 with afr heads tha i never even fired up! but that's good news to hear! did it pass good & clean or just barely?
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'89 Coupe-Kurgan Tuned 498/491RW, Vortech SI, 351W
Posts: 3925 | From: SF Bay Coastin' to Rocklin | Registered: Jun 2003
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mikeceli
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Member # 8389
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posted
Does "Jay" charge $50 for the recommendation, of an "off the shelf" cam?
How about a recommendation from the respective cam manufacturer's?
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God Bless America!
88 Mark VII LSC/00 Excursion Diesel/94 Thunderbird SC/01 Corvette/79 "Bandit" Trans Am/83 Cordoba
Posts: 33 | From: N. California, Sonoma County | Registered: May 2008
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asskickn88
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Member # 4957
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posted
I had a 331 with AFR heads and a TFS stage 2 that passed. Everyone keeps posting up about test only smogs like its a special test with tighter restrictions or something but its not. The specs are the same, test only shops just don't do any repairs and cant tweak with the car to help it pass. I smog all my cars at a test only shop.
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Three 540 Bimmers and a 5.0 Explorer.... got a Ford back in the stable!
It's time for the country to do what Obama's own father did.
Abandon him.
Posts: 6069 | From: Rocklin, Ca | Registered: Oct 2004
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STREETFIGHTER50
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Member # 2973
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posted
is that stage 2 trickflow cam as big as the xe282?
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'89 Coupe-Kurgan Tuned 498/491RW, Vortech SI, 351W
Posts: 3925 | From: SF Bay Coastin' to Rocklin | Registered: Jun 2003
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mikeceli
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Member # 8389
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posted
quote:
Originally posted by mikeceli:
Hi! I'm new to the forum, but not new to Fords. I bought my first car(1970 Mach 1, 351C 4V AT) in 1972. And plenty more since. I'm thinking 331 or 347 for my 88 Lincoln Mark VII LSC. Must pass cali "test only" smog.
You guys who have passed, what year is your VEHICLE(standards may be different). Anyone know more about "needacage" 's setup?
I'm just desiring a MILD increase in torque........., I won't be manually shifting the AOD. No racing, another 75-100HP would be fine!! I do not want to give up any standard features(ABS, Cruise, etc.).
So I'm thinkink 331 or 347 when my 236770 mile 302 gives up. No Nitrous. Thanks, Mike C.
It's been 2 years and I now have 253,000 miles. I STILL want to rebuild this engine, probably 331 or 306, w/ the above stated goals.
Any new info? The thread just ended inconclusivly.
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God Bless America!
88 Mark VII LSC/00 Excursion Diesel/94 Thunderbird SC/01 Corvette/79 "Bandit" Trans Am/83 Cordoba
Posts: 33 | From: N. California, Sonoma County | Registered: May 2008
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JohnB
Tech Moderator
Member # 969
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posted
Every combo is different. It's best to state what you want (displacement, intake choice, cylinder heads, etc) and work from there. I've gotten everything from stock cam'd 302's to stroked 351w's to pass...legally. It's all in the build.
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1965 Shelby Cobra
1993 Cobra
2012 F150 Raptor
2020 GT500
Posts: 6523 | From: Orlando FL/Redding CA | Registered: Mar 2002
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