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Posted
Good effort getting them in :thumbsup: If your using a high ratio rocker your not going to want much cam lift.

 

Possibly true, but doesn't resolve whether there is a requirement for +50 posts or not....

 

Some measuring will be required me thinks :thumbsup:

 

 

ok, i can measure the head now. But the blocks in the garage so ill have to dig that out tommorow :thumbsup:

 

2 secs :)

Posted
Good effort getting them in :thumbsup: If your using a high ratio rocker your not going to want much cam lift.

 

 

was thinking of going for a kent 254 cam, do you think a 244 would be better then ??

 

wouldnt that give a better tickover aswell??

 

With out looking up the spec and doing some maths I think those cams will provide way too much lift with h/r rockers.

Posted

I suppose it is possible that whoever designed the rocker box included some extra height. Have you checked? Never assume - something about making an ASS out of U and ME spings to mind! Old colledge lecturer's favourite..... :thumbsup:

Posted
Good effort getting them in :thumbsup: If your using a high ratio rocker your not going to want much cam lift.

 

Possibly true, but doesn't resolve whether there is a requirement for +50 posts or not....

 

Some measuring will be required me thinks :thumbsup:

 

 

ok, i can measure the head now. But the blocks in the garage so ill have to dig that out tommorow :thumbsup:

 

2 secs :)

 

You'll need to put it all together to see if you are achieving the cam's stated lift.

 

What ratio rockers have you got? 1.69? I think you'll need to speak to Kent Cams or someone with experience of high lift rockers to help you with your cam choice. On paper they are a great idea, but you may need an expensive one off grind, possibly with the LCA spread to avoid too much overlap - something that will definately affect your tick over and the overall "caminess"

Posted
the rocker box is 26.35mm(1.037 inch) from the bottom of the posts to as near to the center i can get ( not easy to measure tbh)

 

Sorry mate, I don't know what the std height is....

Posted

 

And what about those other posts you had?

 

measured the steel posts same as the rocker box and they measure 26.95mm to the center of the shaft :D:beer:

Posted
the rocker box is 26.35mm(1.037 inch) from the bottom of the posts to as near to the center i can get ( not easy to measure tbh)

 

Sorry mate, I don't know what the std height is....

 

just measured them, there the same as the steel ones !! maby they wernt +50 after all :oops: maby the high lift rockers counter this??

Posted
Or maybe they're both +50.

 

Are you still assuming things? I thought we'd been over this! :lol::mrgreen:

 

 

hahaha :mrgreen:

 

touche'

 

 

 

ive got set of standard posts here infront of me :thumbsup: (havent left me bedroom yet hahah!)

Posted

 

 

 

ive got set of standard posts here infront of me :thumbsup: (havent left me bedroom yet hahah!)

 

Stop it, your grooming me! I want to visit your bedroom :oops:

 

:lol::lol::lol:

 

:lol::lol::lol: Report him quick!

Posted

 

 

 

ive got set of standard posts here infront of me :thumbsup: (havent left me bedroom yet hahah!)

 

Stop it, your grooming me! I want to visit your bedroom :oops:

 

:lol::lol::lol:

 

:lol::lol::lol: Report him quick!

 

 

ROFL at you two :mrgreen:

 

 

the current collection scattered across me room is :

 

MASS racing head / all thew valves and springs etc etc.

a set of lightened and stress releived conrods,

a set of bead blasted rockers and rocker posts (standard)

a set of steel rocker posts

roller rockers

piper cover

echberg throttle bodies

 

CBA to carry the block up the stairs :mrgreen:

 

bidding on a few other bits too ( gonna need to get a loan from the bank of dad :lol: )

 

 

 

 

so toby, you recon dry build it, then work it all out ? :thumbsup:

Posted

 

 

 

 

so toby, you recon dry build it, then work it all out ? :thumbsup:

 

I'm not Toby, lol, but thats deffo what you gotta do :thumbsup:

 

 

:lol: lol, just need a few more bits then !.. shame there the expencive bits !!

 

 

concidering going for a long rod setup... but thats morrreeee money :sad:

Posted

My x/flow cam

 

cortina794.jpg

 

Over rev’ed it a bit it chucked a rod through the block and broke the cam in two :mrgreen:

 

cortina796.jpg

 

Best bit it finished the race on 3 cylinders and still drove on to the transporter :mrgreen:

Posted
Don't wana sound daft but wot do you mean by Dry build it?

 

 

just a mock up build :) check valve clearences, etc etc :thumbsup:

 

 

then take it apart, correct anything thats wrong (ie, macheine the pistons) and then put it together propperly :thumbsup:

Posted

 

......Over rev’ed it a bit it,

 

chucked a rod through the block

 

broke the cam .......

 

Best bit -

 

it finished the race on 3 cylinders and still drove on to the transporter :mrgreen:

 

:lol::lol::lol:

 

I'm not sure how mechanically sympathetic this sounds :roll::mrgreen:

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