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Old 08-20-2002, 07:25   #1 (permalink)
stoney
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Question which I6 camshafts suit an EL?

Hi all,

Just a quick question - what models have a camshaft that will suit an EL futura? I've got a EF stage 2 Crow Cam at the moment which doesn't suit the EL, but was a stunner in a mate's EF XR6. The crow web site suggests that the crow EF XR6 cam doesn't suit any other model - but would the stock EF & EF XR6 cams suit the EL, or are they totally incompatible?

Thanks in anticipation,
Stoney
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Old 08-20-2002, 07:37   #2 (permalink)
Two SC 61's = trouble
 
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Try more compression 9:5 to 1 as in the Xr6[not that high] and maybe more fuel pressure. A good tunner on a dyno will do wanders..Have you done the exhaust as well?
Maybe some more advance / timming? Again a good tunner would sus that!!
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Old 08-20-2002, 07:56   #3 (permalink)
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Hi ebxr8240,

I've been through 3 different tuners so far, and the only solutions they could come up with we're a new (custom & $$) chip. The only other mods I've done so far to the engine are a 2.5" mandrel bend exhaust + extractors and a K&N pod which we're done berfore the cam - the thing flew before the cam...

If I can, I'd like to swap with a standard or XR cam to be nice and safe - the other half drives the car for now so I'd like to get it running right while saving the pennies for a BA XR6 :)

Cheers,
Stoney
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Old 08-20-2002, 08:12   #4 (permalink)
Two SC 61's = trouble
 
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Cam timing maybe ??? Tuner that will sus it out NOT one who sets everything to manu specs.. Thats not a tuner in my opinion thats a fitter..And I bet he blamed the cam? If he can't get it to perform he atleast should be able to tell you where the problem is. With a wide band 02 senser for a start..Not sure on six's but the 8's have a system in the eec that tells you the flow rates of each cylinder so you know the cfm...etc Maybe the vacuum is lower and doesn't open the manifold bypass soon enough??
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Don't be afraid to try something new. Remember, amateurs built the Ark...Professionals built the Titanic!
.
Tuned & maintained by "Peppertree Perfmormance". Dart block, Scat 4340 steel crank, Custom C.P pistons.Oliver rods.. Mal Wood twin plate clutch.. Twin SC61/2's,482 rwkw/ 645 rwhp..
Passengers, myocardial infarction material..
R.I.P Possum...
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Old 08-20-2002, 21:51   #5 (permalink)
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Stoney and others,

I have some specs which should be put somewhere for general good use.

Some advice I can give you stoney is to consider a Wade stage II camshaft. They can regrind you stocky for about $200. I have seen an EF with an EL inlet, 2.5" exhaust with a Wade stage II camshaft come out in front of my XR6. He didn't have an LSD but was breaking wheelspin well into 2nd gear at about 80 ks. Had heaps low down and in the midrange.

Just beware the lifters need shimming if you are going to fit this cam (not a hard job).

Wade Stage II Cam specs are as such:

Lift = 0.48 (crow lifts can be around 0.04" higher)
Centre Angle = 112
Duration = 264 (inlet & exhaust)

INLET: EXHAUST:
ADV 21/63 ADV 65/19
050" -9/33 050" 35/-11

Rocker ratio = 2.0

For the ELs I only have the advertised specs, as they came form a Ford dealer mechanic. It doesn't mean that these are correct though, so don't quote me - just FYI :)

INLET:
Std EL 16/68 62/18
EL XR6 14/68 56/24

From this, you can see why the XRs have a larger exhaust valve.

Good luck, and keep us posted on how you go.

JT

P.S XRs run 300 MPa fuel regulator, and 9.3:1 compression. Porting carried out on exhaust and inlet ports and combustion chamber shape. Could still be better though.....
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Old 08-20-2002, 21:55   #6 (permalink)
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Just to clarify, EL specs given as
INLET: BTDC/ABDC
EXHAUST: BBDC/ATDC

Here are some more specs I picked up off crow.

ROLLER CAM PROFILES FOR FALCON 6 OHC ENGINES
These are measurements of cam lobes not valve timing.
Use the standard specification for an approximate comparison.

PROFILE 0.050” ADV LOBE LOBE
TYPE DUR DUR LIFT CENTRE

ROLLER HYDRAULIC
STD EB 183/187 231/237 .235/.227 111

STD AU 181/197 233/246 .247/.268 119

825 195 262 .245 113

2519 199/194 262/251 .246/.236 113

2522 201/194 263/257 .269/.255 111

2526 197/192 249/246 .265/.252 115

2549 210/199 271/261 .264/.250 111

1560 224/220 282/277 .280 115

896 193/187 240/230 .236/.227 114

1300 220 282/289 .250 110

1514 219 274 .280 110

2543 209/207 271/269 .250/.239 114

2546 233 295 .264 110

2550 235 295 .308 106

ROLLER, SOLID


2527 230 272 .300” 106

2518 237 295 .260” 107

2539 247 302/307 .305 106

Hope someone finds these useful :)
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Old 08-21-2002, 05:33   #7 (permalink)
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Thanks for the help guys!

Two of the tuners went through everything on my car from fuel pressure to O2 levels to cam timing, and they both suggested that my car would need way more ignition timing in the mid range - apparently so much that I would need a chip to get the correct timing....(?!?)

I've never heard of Wade Cams before. Where abouts can you get them, and do you have any extra info on them?

Could I take an EF cam to them and get a grind that will work in the EL?

Cheers
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Old 08-21-2002, 18:25   #8 (permalink)
Tickford EL XR6
 
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If yours is a standard EL cam, then yep Wade can regrind for about $200 I think. They have been in business for a long time (over 60 years I think) so they are reputable.

contact them on 9328-4001 (melbourne). They have 3 stages of cam grind. Like I said, 2 is the one I have seen and it works well.

Happy camming
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Old 08-21-2002, 18:39   #9 (permalink)
Two SC 61's = trouble
 
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www.crowcams.com.au A billet cam is better if you can..

Stony: where did they check o2? a "wide" band is used on headers or before cat..Puting in tail pipe is only a guide not ultra good for tuning..
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Don't be afraid to try something new. Remember, amateurs built the Ark...Professionals built the Titanic!
.
Tuned & maintained by "Peppertree Perfmormance". Dart block, Scat 4340 steel crank, Custom C.P pistons.Oliver rods.. Mal Wood twin plate clutch.. Twin SC61/2's,482 rwkw/ 645 rwhp..
Passengers, myocardial infarction material..
R.I.P Possum...
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Old 08-22-2002, 01:49   #10 (permalink)
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Wade cams are a long established and reputable organisation - I'm fairly sure they have certification and approval to recondition aircraft camshafts.

I've been told by someone or other also that Wade cams are the ones used by Tickford for their stuff - don't know how true that is.
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