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Which Cam?? 

 

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 Post subject: Which Cam??
Posted: Wed Sep 14, 2005 6:09 pm 
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Hey guys, need some help on selecting a cam for my ef, will be running gt40p heads, explorer manifold, roller rockers, paceys etc The car is a 5 speed. What about the crane stuff 2030, 2031 alot of people seem to use these??Also how will the standard computer be with this type of cam??

 

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EF XR8 5spd: 302ci /178rwkw

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Posted: Wed Sep 14, 2005 9:35 pm 
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The Crane 2030 and 2031 are excellent choices because they produce good power both up high and down low, and they work with the factory EEC. If you want something a bit larger you can look at the Trickflow TFS1 which does produce more power but the idle starts to get fairly lumpy, and to get the most out of it you really need a chip at least.
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Posted: Thu Sep 15, 2005 1:48 pm 
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Ride: EF XR8 5spd

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Any preference 2030 or 2031 i've checked the specs and they seem to be much the same??

 

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Posted: Thu Sep 15, 2005 1:50 pm 
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kato wrote:
Any preference 2030 or 2031 i've checked the specs and they seem to be much the same??


Yeah they are pretty much the same, the 2030 is sligtly more aggressive so that would be my pick but it all depends on what ratio rockers you have already. 2031 requires 1.72 rockers while the 2030 uses 1.6.
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Posted: Thu Sep 15, 2005 2:36 pm 
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Can you run the 2030 cam with the standard computer or do you have to chip it

 

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Posted: Thu Sep 15, 2005 2:49 pm 
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Sorry to interrupt this thread again but where did you find this 2030 spec cam. I don't really know much bout cams but I did a search in the ford section for my year model and I didn't see anything that had to do with 2030

 

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Posted: Thu Sep 15, 2005 4:59 pm 
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FordZombie wrote:
Can you run the 2030 cam with the standard computer or do you have to chip it


It will run fine with the standard EEC

Cam specs are:
Crane 2031 : .513/.529 lift 214/220@50th 1400-5400rpm power range
Crane 2030 : .533/.544 lift 216/220@50th 1400-5400rpm power range
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Posted: Thu Sep 15, 2005 7:23 pm 
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That was another thing i wanted to ask .. these gt40p heads i got have yella terra roller rockers on them. i've contacted yella terra to find out wat ratio they are.They said there should be markings on them but i can't find anything on them? Is there another way of finding out whether they're 1.6 or 1.72??

 

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Posted: Thu Sep 15, 2005 9:32 pm 
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You can measure the distance on each side of the pivot and calculate the ratio from that. There is no part number on the rockers?
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Posted: Fri Sep 16, 2005 10:43 am 
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There's no markings that i can see.. unless they're underneath the rocker?? maybe i need to take them off?

 

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Posted: Fri Sep 16, 2005 1:03 pm 
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It sounds like the rockers that were factory fitted to the AU XR8's had no markings on them... :(

I bought some 1.6:1 YT Stealth rockers, and they each have a '6' stamped in a little circle at the nose of the rocker.

You'll will just need to take some measurements.

I've got a 2030 in mine with standard computer. It stalls after hard braking to a complete stop, and sometimes at low speed changing from D to R (its auto), like in carparks and stuff....no big dramas.

It's a great cam, I'd recommend it.
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Posted: Fri Sep 16, 2005 3:04 pm 
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i have the 2030 cam in my car too, good cam... just have to watch piston to valve clearance...
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Posted: Fri Sep 16, 2005 3:43 pm 
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With the installing of 1.72 YT rockers, I am aware of the adjustable type and the non-adjustable type. Which is appropriate or what are the pro's and con's of either?

 

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Posted: Fri Sep 16, 2005 3:49 pm 
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The adjstable ones allow you to set up preload and valve train alignment easier but also require taller aftermarket rocker covers (which normally aren't cheap). The standard non-adjustable ones are fine for most cams out there though.
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Posted: Fri Sep 16, 2005 4:08 pm 
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EDXR8 wrote:
The adjstable ones allow you to set up preload and valve train alignment easier

Unfortunately I do not wholly understand the advantage of preload and alignment and how it is better? Could you enlighten me please?

 

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