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» Northern California Ford Owners     » Automotive   » Tech Talk   » what heads are best for my engine

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Author Topic: what heads are best for my engine
meetthedealer
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i have a 93 cobra block with a e 303 cam right know i have stock cast iron gt40 heads
i want to get more power should i go with trick folw if so which ones or afr heads which one is better. is their some thing better i dont know about please help

Posts: 240 | Registered: May 2004  |  :
chosen1
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AFR165's [patriot]

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1967 Fastback. Should go 10's -but doesn't
1993 Cobra
2003 Suzuki SVS
1966 Coupe -For Sale

Posts: 2205 | Registered: Sep 2002  |  :
meetthedealer
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thats what i hear but im tempted to go with the 185 afr why isnt that a good idea
thanks

Posts: 240 | Registered: May 2004  |  :
PeNiNsula302
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quote:
Originally posted by chosen1:
AFR185's [patriot]


Posts: 3423 | Registered: Mar 2002  |  :
chosen1
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i dont think you will have enough p-v clearance with the 185's/stock pistons/and any decent cam.

if you do a rebuild and better pistons, then 185s [patriot]

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1967 Fastback. Should go 10's -but doesn't
1993 Cobra
2003 Suzuki SVS
1966 Coupe -For Sale

Posts: 2205 | Registered: Sep 2002  |  :
chosen1
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the trickflow TW are also a great set of heads too btw.

this topic debate has been covered a million times. i suggest searching. there have been some great replies.

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1967 Fastback. Should go 10's -but doesn't
1993 Cobra
2003 Suzuki SVS
1966 Coupe -For Sale

Posts: 2205 | Registered: Sep 2002  |  :
166 Merlo
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get trickflows and boost the bitch [burnout] skee-skirt

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'89 - Boss Coupe
'70 - Drop Cutthang
'68 - Cougnut
'87 - 0166, Its real

Posts: 3954 | From: Thebay | Registered: Jul 2002  |  :
JoeT
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I dunno, if it was me I'd be thinking about a couple heads:

(with 351 based considerations later)

edelbrock vic jr's (and seniors)
tfs tw and hi-ports
AFR-185s

I'd pretty much let cost/future/current plans dictate which one I went with.

I have TFS TW heads now, am happy with their results but would like to step up to maybe an AFR-185 for use on a 302 now and a 351 based motor soon. my TFS TW heads were only $935 brand new though.

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1984 Ford Tempo AOD--- RIP

Posts: 6785 | From: San Jose | Registered: Jun 2001  |  :
1SLOWLX
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TFS heads ported by TEA [worship]

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Built Tuff with your stuff ;)

Posts: 5231 | From: bay area | Registered: Nov 2001  |  :
AaronC
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IMO, 185's are a waste with an E cam. Most of the gain of the 185's over the 165's is after .500 lift. To really take advantage of the 185's you need a cam with some duration and lift along with some RPM. Plan on spinning a 302 AFR 185 setup to a minimum 6500+ RPM to get good results. For a good all around street/strip setup I like to match them with a RPM intake, longtube header, a off shelf comp cam of 224/224 .560/.560 lift 110 LSA and run on a 110 ICL. With 10:1 compression and a good shortblock and tune it shouldn't have any problems making 350 RWHP/350 RWTQ. I'm actually thinking about running that setup myself when I get another shortblock. Possibly later this year. It should be simple, fun and reliable

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1991 GT Convertible: Stock 157k mile shortblock, HiTech cam, AFR 165 heads, Edelbrock RPM intake, 1 3/4 headers

12.23 at 112.99
Best MPH 113.97

Posts: 776 | From: woodland | Registered: Dec 2000  |  :
98slowhoe 'FIFTYLX'
Uncle Frank
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quote:
Originally posted by AaronC:
IMO, 185's are a waste with an E cam. Most of the gain of the 185's over the 165's is after .500 lift. To really take advantage of the 185's you need a cam with some duration and lift along with some RPM. Plan on spinning a 302 AFR 185 setup to a minimum 6500+ RPM to get good results. For a good all around street/strip setup I like to match them with a RPM intake, longtube header, a off shelf comp cam of 224/224 .560/.560 lift 110 LSA and run on a 110 ICL. With 10:1 compression and a good shortblock and tune it shouldn't have any problems making 350 RWHP/350 RWTQ. I'm actually thinking about running that setup myself when I get another shortblock. Possibly later this year. It should be simple, fun and reliable

^^^^^^^^^^^^^^^^^^^^^^^^^^^ [patriot]

I would listen to him

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AKA Franky Freaking 5 liter

Advanced Engine Development
SCT dealer
Dynotuning
Engine building
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88 4runner on 42's

Posts: 4206 | From: Folsom | Registered: Feb 2002  |  :
meetthedealer
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all that would be smog legal right?
Posts: 240 | Registered: May 2004  |  :
2stangs69-91
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all except the long tubes. As far as a cam being legal it is pretty mutch what will pass the snifer. I don't know if the 185's are street legal but it is not easy to tell which version you have with your accesories bolted 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  |  :
meetthedealer
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i heard a x cam and other big cams are ilegal cause your car will not pass smog how can u cheat a smog dyno
Posts: 240 | Registered: May 2004  |  :
JoeT
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you "cheat" a smog dyno by having emissions that sneak under the allowable HC/Nox/etc #'s, it's really that simple.

if you have a good tune, there are a number of "smog illegal" setups that will pass, sometimes even not having cats or a functioning EGR would produce passable #'s (although rare)

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1984 Ford Tempo AOD--- RIP

Posts: 6785 | From: San Jose | Registered: Jun 2001  |  :


 
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