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big cam in a shaved head? 

 

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 Post subject: big cam in a shaved head?
Posted: Tue Aug 19, 2014 5:27 pm 
Oompa Loompa
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Age: 22

Posts: 48

Joined: 26th May 2014

Ride: EL Futura

Location: Logan
QLD, Australia

So im looking at a camtech 809, its got .602" lift and 108 lsa. My ticky head is shaved 30 thou and im running an au mls gasket, is it going to work? Also how do I know my compression ratio? Thanks in advance!
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 Post subject: Re: big cam in a shaved head?
Posted: Tue Aug 19, 2014 7:11 pm 
Stock as a Rock
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Age: 40

Posts: 178

Joined: 23rd Aug 2012

Gallery: 2 images

Ride: EF Fairmont

Location: Port Macquarie
NSW, Australia

That combination will definitely work.

I was running a Camtech 830, similar to the 809 but not quite as much lift, in my ED.
Head was a EF Tickford shaved 40thou. and pacemaker headers.
It was very impressive, so much quicker than a stock XR.
Likely you will need to run it on 98 premium fuel.

You will need to upgrade valve springs too.
Valve clearance is not an issue, you can shave the head as much as you want on these things.
I also recommend a vernier adjustable cam gear, although not absolutely necessary.

I would suggest that you look into a j3 chip for it before you fit the cam, it will be an absolute pig without a decent tune to suit the cam

Hope this helps.

 

_________________

Ported ED XR6 head shaved too much, AU gasket, custom Crow Cam, Pacemaker 4480's, 5-speed conversion, billet aluminium flywheel, GT clutch, T.I. Performance J3 chip, custom water/methanol injection, modified BA throttle body. Paint&Panel by Barbed Wire Fence.

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 Post subject: Re: big cam in a shaved head?
Posted: Tue Aug 19, 2014 9:58 pm 
Oompa Loompa
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Age: 22

Posts: 48

Joined: 26th May 2014

Ride: EL Futura

Location: Logan
QLD, Australia

Awesome, ive already got hd crow springs in it, ive got a vernier cam gear waiting to go in with the new cam. Then wanna get my j3 dyno tuned
Thanks heaps
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 Post subject: Re: big cam in a shaved head?
Posted: Wed Aug 20, 2014 6:07 pm 
Oompa Loompa
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Age: 22

Posts: 48

Joined: 26th May 2014

Ride: EL Futura

Location: Logan
QLD, Australia

How do I find out my compression ratio? It says that particular cam needs min 11:1 comp. Not sure if id have that much, would it still work if I was a bit shy of 11:1 comp?
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 Post subject: Re: big cam in a shaved head?
Posted: Wed Aug 20, 2014 6:22 pm 
Stock as a Rock
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Age: 40

Posts: 178

Joined: 23rd Aug 2012

Gallery: 2 images

Ride: EF Fairmont

Location: Port Macquarie
NSW, Australia

It'll still work. Just might not pull real hard until the cam comes into its power band.

 

_________________

Ported ED XR6 head shaved too much, AU gasket, custom Crow Cam, Pacemaker 4480's, 5-speed conversion, billet aluminium flywheel, GT clutch, T.I. Performance J3 chip, custom water/methanol injection, modified BA throttle body. Paint&Panel by Barbed Wire Fence.

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 Post subject: Re: big cam in a shaved head?
Posted: Wed Aug 20, 2014 6:25 pm 
Stock as a Rock
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Age: 40

Posts: 178

Joined: 23rd Aug 2012

Gallery: 2 images

Ride: EF Fairmont

Location: Port Macquarie
NSW, Australia

To find compression ratio you have to measure the volume of the chambers. YouTube that s**t.

 

_________________

Ported ED XR6 head shaved too much, AU gasket, custom Crow Cam, Pacemaker 4480's, 5-speed conversion, billet aluminium flywheel, GT clutch, T.I. Performance J3 chip, custom water/methanol injection, modified BA throttle body. Paint&Panel by Barbed Wire Fence.

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 Post subject: Re: big cam in a shaved head?
Posted: Wed Aug 20, 2014 7:29 pm 
Oompa Loompa
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Age: 22

Posts: 48

Joined: 26th May 2014

Ride: EL Futura

Location: Logan
QLD, Australia

Awesome, thanks heaps
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 Post subject: Re: big cam in a shaved head?
Posted: Mon Sep 01, 2014 9:52 pm 
Stock as a Rock
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Age: 25

Posts: 191

Joined: 30th Dec 2010

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Ride: Ford Falcon EA

Location: Ballarat
VIC, Australia

ive got my block bored out .30 thou, decked, and the heads had .80 thou taken off and its got a mls and i have 10.2:1 compression if that gives you some sort of idea
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 Post subject: Re: big cam in a shaved head?
Posted: Mon May 08, 2017 10:54 pm 
Fordmods Newbie
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Age: 53

Posts: 16

Joined: 7th May 2015

Ride: EL XR6 manual 165rwkw 3.7diff

Location: adelaide
SA, Australia

Old post I know, do you remember where your piston was to deck height with your combo, mines out .003" past deck trying to get info if I can run mls gasket .028" leaving .025 piston to head clearance.

Thanks for any reply
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 Post subject: Re: big cam in a shaved head?
Posted: Mon May 08, 2017 11:01 pm 
Stock as a Rock
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Age: 40

Posts: 178

Joined: 23rd Aug 2012

Gallery: 2 images

Ride: EF Fairmont

Location: Port Macquarie
NSW, Australia

No idea with mine. Bottom end was stock.

 

_________________

Ported ED XR6 head shaved too much, AU gasket, custom Crow Cam, Pacemaker 4480's, 5-speed conversion, billet aluminium flywheel, GT clutch, T.I. Performance J3 chip, custom water/methanol injection, modified BA throttle body. Paint&Panel by Barbed Wire Fence.

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