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Help with Cam and Rockers 

 

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 Post subject: Help with Cam and Rockers
Posted: Thu Feb 21, 2008 8:50 pm 
Smokin em up
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Ride: AU3 XR8

Power: 191 rwkw

Location: Sydney
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Hi guys,
Just need some help/advice on what cam and roller rocker combo you's would recommend for my car if I was looking at mild cam which will produce a good amount of torque.
Im just going to do the cam and rockers and get the thing re-tuned for now.
I drive the car to work and back everyday but I also want to use it for track days aswell.

Cheers.

 

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Posted: Thu Feb 21, 2008 8:56 pm 
Getting Side Ways
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Ride: BF XR6, BF XT Wagon

Power: 197 rwkw

Location: Perth
WA, Australia

With an AU3 XR8 you already have 1.72 roller rockers.

Its just a cam you'd be after I reckon.
I'm not up on cams someone else should be able recommend some part numbers.

 

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Posted: Thu Feb 21, 2008 11:24 pm 
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Ride: 1999 XHII XR8, 2002 AU Fairmont

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Mate i'd love to see another car with a Crane 2040 (E-303) and 1.7rockers. The torque that combo puts out is unreal. Mid-range is extremely strong and maintains a great top-end, i think it would work well on the track.

 

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Posted: Sat Feb 23, 2008 6:27 pm 
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Ride: AU3 XR8

Power: 191 rwkw

Location: Sydney
NSW, Australia

ive been looking at the crane cams and they seem to be the go.
I will be most likely going for the 2040 and a set of lifters.

With what Timmeh was saying about the rockers..is it nessassary for me to get a new set to suit?
and should i get a new set of valve springs, retainers and valve locks?

 

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Posted: Sat Feb 23, 2008 6:51 pm 
Getting Side Ways
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Ride: BF XR6, BF XT Wagon

Power: 197 rwkw

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Just get a new set of valve springs, retainers and valve locks.
When the heads are off get them serviced and the new springs etc fitted and then the cam fitted.
Will be tough as nails. Don't spend money where you don't need to unless your really going to go all out on the engine.

 

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 Post subject: Summit Racing
Posted: Sat Feb 23, 2008 7:10 pm 
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Ride: AU3 XR8

Power: 191 rwkw

Location: Sydney
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has anyone delt with Summit racing for their parts?

Just want to know if their reliable and what the delivery is like?

 

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 Post subject: Re: Summit Racing
Posted: Sat Feb 23, 2008 8:28 pm 
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Ride: EL XR8, '08 Mondeo XR5t

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DaveXR8 wrote:
has anyone delt with Summit racing for their parts?

Just want to know if their reliable and what the delivery is like?


I went through Summit to get my top end kit.

They are extremely helpful and I found them to be excellent as far as shipping. They give you a couple of options as far as carriers and whether you want it shipped to your door or you pick it up from a depot.

Give them a buzz once you know exactly what you're after and they'll take you through everything. You'll be able to track it as well once its posted.

 

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Posted: Sat Feb 23, 2008 9:51 pm 
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Ride: AU3 XR8

Power: 191 rwkw

Location: Sydney
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will do mate.
cheers

 

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Posted: Sat Feb 23, 2008 11:22 pm 
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I have basically a brand new Ford Motorsport E303 if you want. Only did about 1500klm's and then decided to go larger.

$200 plus postage.

JD
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Posted: Wed Feb 27, 2008 12:57 pm 
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mate IMHO you can do a lot better than an alphabet cam ...try the new Comp or Crane quick ramping cams designed specifically for EFI cars or better still get a custom cam taylor made for your set up

just make sure you get good springs and retainers , locks etc as they get a real hiding
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Posted: Sat May 10, 2008 10:31 am 
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I have just purchased the Ford Racing E303 (crane 2040) and some gt40p heads, what should i get to complement them?

1.7 rockers?
anything else? also brands or links wuld be good.

Cheers

 

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Posted: Sat May 10, 2008 12:19 pm 
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fairy v8 wrote:
mate IMHO you can do a lot better than an alphabet cam ...try the new Comp or Crane quick ramping cams designed specifically for EFI cars or better still get a custom cam taylor made for your set up

just make sure you get good springs and retainers , locks etc as they get a real hiding


Yes some say that.. They are still good cams though.. With good springs 1:72 rockers . They have quick enough ramps... There is no way you could use std springs with this combo !! Its not the efi that allows quick ramps.. Its the roller cam with its narrow contact which prevent lobe scuffing...

 

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Posted: Sat May 10, 2008 1:57 pm 
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I highly reccomend Summit. Have bought most of my parts from them for at least the last 3 years.
And there prices are awesome even if you include shipping
Brett

 

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Posted: Sat May 10, 2008 1:58 pm 
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Ride: AU2 XR8

Location: darwin
NT, Australia

i got a good result from Comp Cams XE270HR cam. jump on their website for specs

- 202 Rwkw

that was with ported GT40X heads, and ported upper manifold, 2.5" twin exhaust, and a flasher tune. my car is an auto.

it runs nice, and idles fine. a littel lumpy (which is want i wanted!!), and cold start is spot on, albiet a little more rough, until it warms up.

hope this helps

 

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Posted: Sun May 11, 2008 3:19 am 
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yeah o say go with comp cam dunt go crow nuffing but bad news comes from crow. . :D
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