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fitting adjustable roller rockers 

 

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 Post subject: fitting adjustable roller rockers
Posted: Sat Feb 14, 2009 4:54 pm 
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Can some one explain how you adjust them when fitting on to the heads? do you just do the adjuster up till it sits firmly on the push rod?

any help would be greatly appreicated

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 Post subject: Re: fitting adjustable roller rockers
Posted: Sat Feb 14, 2009 11:33 pm 
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I assume they are pedestal type..
http://cranecams.com/pdf/453e.pdf

 

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 Post subject: Re: fitting adjustable roller rockers
Posted: Sat Feb 14, 2009 11:48 pm 
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nah there for a windsor so they are the shaft mount type yellaterror 1.72.

I think i mite have found out though, i read you tighten to the rod cant be turned easierly, then tighten another 1/4 to 1/2 a turn.

Now ive tried them out while running and there denting out my rocker covers something bad:(

 

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 Post subject: Re: fitting adjustable roller rockers
Posted: Sun Feb 15, 2009 8:17 am 
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From memory you will need taller rocker covers when you go 1.7 RR.

 

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 Post subject: Re: fitting adjustable roller rockers
Posted: Sun Feb 15, 2009 12:28 pm 
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Yeah they will be pedastal mounts if they are on GT40P's or GT40Y's.

Yep what you are doing with the above described adjustment is the lifter pre-load. I have never played with pedastal rockers so i dont know the procedure, i have only done my stud mount ones.

Yep, if they are adjustable rockers you'll need aftermarket r/covers or some real thick gaskets.

 

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 Post subject: Re: fitting adjustable roller rockers
Posted: Mon Feb 16, 2009 12:00 am 
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My dodgy back limited me to non adjustables :(

 

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 Post subject: Re: fitting adjustable roller rockers
Posted: Mon Feb 16, 2009 1:20 am 
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Well they came off a T2 Y302 headed motor using stok rocker covers and didnt hit, so must be the extra lift of the 200kw cam in my motor doin it

Solved it by fitting two rocker cover gaskets, soo all good now

Also, whats the point of adjustables on a hydrulic cam motor?

 

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 Post subject: Re: fitting adjustable roller rockers
Posted: Tue Feb 17, 2009 9:37 pm 
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Well they can do loads of stuff most of wich is not very noticable.... but there is a neat trick you can do to get some decent power its a street racing trick lots of americans do it on 5.0 mustangs but it works on any engine really....did you fit them for extra power ? can you feel it yet? do you want to make the most of them?

 

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 Post subject: Re: fitting adjustable roller rockers
Posted: Wed Feb 18, 2009 12:27 am 
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Autofast2 wrote:
Well they can do loads of stuff most of wich is not very noticable.... but there is a neat trick you can do to get some decent power its a street racing trick lots of americans do it on 5.0 mustangs but it works on any engine really....did you fit them for extra power ? can you feel it yet? do you want to make the most of them?


Well yeh the car seems to have more accross the rev range now, but didnt realy get to test them properly as the gearbox shat it self. seeing the 200kw cam was 458thou lift, these have nocked it up to around 490thou now, so sounds abit nicer at idle

But am very intrested to know all the ways of setting them up!

 

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 Post subject: Re: fitting adjustable roller rockers
Posted: Sat Feb 21, 2009 11:37 pm 
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I find the double gaskets are prone to leak after a while. I sussed out 1/2 inch alloy spacers which I stuck down with a good silicon gasket maker using bolts finger tight to tension while it set overnight. They are rock solid dont leak been on for 30000km and I just use longer Stainless Steel allen bolts to go through the spacers and hold the standard covers on a single rubber coated metal gasket.

And here is a link to the spacers.

http://www.kustombitz.com/p/392498/ford ... acers.html
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 Post subject: Re: fitting adjustable roller rockers
Posted: Sun Feb 22, 2009 8:58 pm 
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was the question about adjusting r/ rockers or about rocker covers fitting??
If the rockers are the adjustable type? Then yes some material needs to be removed from oil baffle under rocker cover..
In some cases different length pushrods are required..
It's realy a one size fits all .. As some have issues with valve noise..
plus each valve can be different..
You just have to check EACH rocker as you assemble for correct clairance..
On stud mount you tighten up till you cnnot spin pushrod with your fingers..
Then tighten 1/3 to 3/4 of a turn..
Then tighten lock nut..
Btw not all Windsors have Y/T shaft style r/rockers.. T series did, and they still bolted onto pedestals..
The G.T's has single Crane style r/rocker. Not as stable as the Y/T's but did there job..

 

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 Post subject: Re: fitting adjustable roller rockers
Posted: Mon Feb 23, 2009 8:47 pm 
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Here is a little trick that people dont like to do...... first if you do this i have been told (not seen or heard or had it happen to me) you could pop the circlips off the lifters....like me you could try it and then if its not for you just change it back! i didnt go back... the down side is you will have a lumpy and ruff idle till its warm....you could maybe have some extra wear on your cam and lifters... when its cold it will be a little pigish...it will be a little noisey till its warm.... i think thats it... this mod is a street racing mod so if you ask any mechanics they say its silly cause you could just buy a solid cam and i guess if someone cam to my shop i might say the same thing.... i have asked a few drag racers about this mod and it seems its a common thing to do..... it will if done properly have a noticable increase in response.... and i have always found more revs and power....

 

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 Post subject: Re: fitting adjustable roller rockers
Posted: Tue Feb 24, 2009 12:43 am 
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Autofast2 wrote:
Here is a little trick that people dont like to do...... first if you do this i have been told (not seen or heard or had it happen to me) you could pop the circlips off the lifters....like me you could try it and then if its not for you just change it back! i didnt go back... the down side is you will have a lumpy and ruff idle till its warm....you could maybe have some extra wear on your cam and lifters... when its cold it will be a little pigish...it will be a little noisey till its warm.... i think thats it... this mod is a street racing mod so if you ask any mechanics they say its silly cause you could just buy a solid cam and i guess if someone cam to my shop i might say the same thing.... i have asked a few drag racers about this mod and it seems its a common thing to do..... it will if done properly have a noticable increase in response.... and i have always found more revs and power....


omg that sounds pretty scarry, so it ll be like basicaly having a solid cam, hmm, i may just get a bigger cam later lol. but doin that i could sorta see why it would give you more lift as the lifter cant bleed down at all.

Also if i havent metioned yet, instaltion went good it seems, two rocker cover gaskets and the above setting up method of turning the rod and extra 1/2 or so turn on the adjusting nut.

cheers for your imput

 

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 Post subject: Re: fitting adjustable roller rockers
Posted: Wed Feb 25, 2009 12:59 pm 
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street racing mod?

sorry, was just funny way to put it lol.

 

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 Post subject: Re: fitting adjustable roller rockers
Posted: Fri Mar 27, 2009 5:59 pm 
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So did you get this sorted out at all?

The procedure EBXR8380 posted is for the shaft mount, what is the procedure for pedestal mount roller rockers?

Also i only have the non adjustable roller rockers, is that going to play a big rool in how i set it up.?

(i will be getting different sized push rods aswell)

 

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