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Valve Springs In an AU 

 

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 Post subject: Re: Valve Springs In an AU
Posted: Sun May 23, 2010 10:34 pm 
Getting Side Ways
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Then ya gotta put em hay, the requires more than back yard skill!! ME :?
Im gonna go full head job, till i get it blown...OH no he didnt :shock: lol nah i wanna get a spare AU head, then get it ported,oversize exhause valves, ect do i need reco and new springs for the job or will she hold as is(presuming it survives pressure and crack testing?)

 

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 Post subject: Re: Valve Springs In an AU
Posted: Wed May 26, 2010 8:13 pm 
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GeZza200 wrote:
xcabbi wrote:
GeZza200 wrote:
Atomic Performance do double valve springs for the AU head with out having to do any machining, they are $370 for the set


All I can make out on their price list is the following:

306810-kit H/D V/Spring kit AU SOHC Ford, $368.50
Item description:
H/Duty silicon-chrome Dual valesprings and matched re (and then it runs out of text)


And here is the item for the equivalent EL motor:
306811-kit H/D V/Spring kit EL SOHC 6 $379.50
Item description:
H/Duty silicone-chrome Dual valvesprings retainers and c (and then it runs out of text)



I sent them an email about the springs a little while ago here was the response.

Hi Gerard,
Yes they fit straight up without any machining or special seals, etc. We have a specially wound inner that fits on top of the factory spring boss and also fits our retainer, so operates with the correct tensions but with a reduced installed height. The #306810- kit is designed for the AU and are $368.50 for the lot - dual springs and chrome moly retainers. Freight in an airbag is $19.80 and the kits are in stock for immediate shipment.

If you have any further questions, please don’t hesitate to call/email.

Cheers, Brad


That's the best news I've heard in a while. i wonder what sort of lift figures and boost pressures these puppies are rated at. The only reason why people running big HP forced induction motors went to E series heads on AU bottom ends is because of a lack of decent valve spring for the AU.

This now allows the use of the better AU head if you want to port it.
For comparisons between EF and AU heads have a look here

ford-4l-and-6-cylinder-f1/possible-head-porting-docco-coming-soon-t86312.html?hilit=head%20porting%20docco

I'm sorry for the slow progress but I'm short on both time and money. Hopefully in the not too distant future I'll be in a position where i can build a budget bench to test these things.
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 Post subject: Re: Valve Springs In an AU
Posted: Thu May 27, 2010 8:41 pm 
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i just got a 1645 AU cam in my au head and you do need the valve springs... it pushes the limit on the standard springs meant to be 50 thou clearance between coils at maximum lift but mine measured at something closer to 20 thou at least thats what the guy at the head shop told me

on another note you will not be disappointed with this cam its awesome

 

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 Post subject: Re: Valve Springs In an AU
Posted: Thu May 27, 2010 8:45 pm 
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xhfalcon wrote:
i just got a 1645 AU cam in my au head and you do need the valve springs... it pushes the limit on the standard springs meant to be 50 thou clearance between coils at maximum lift but mine measured at something closer to 20 thou at least thats what the guy at the head shop told me

on another note you will not be disappointed with this cam its awesome


wade cams say no need for heavy springs!!!
and im running the au1645 and have been reving it to 6000rpm with over 10 psi boost and no problems....
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 Post subject: Re: Valve Springs In an AU
Posted: Thu May 27, 2010 10:49 pm 
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i think someone should listen to troyman....i think its generally agreed the man knows his stuff.

 

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 Post subject: Re: Valve Springs In an AU
Posted: Thu May 27, 2010 11:19 pm 
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So whats wrong with the Crow 125lb units?

 

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 Post subject: Re: Valve Springs In an AU
Posted: Thu May 27, 2010 11:24 pm 
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krisisdog wrote:
So whats wrong with the Crow 125lb units?


?? nothing wrong with them!,
just not necesary on the listed wade au cams..
all the listed e series cam equivilants for the au can be run on std au springs..
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 Post subject: Re: Valve Springs In an AU
Posted: Thu May 27, 2010 11:41 pm 
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I got some crow double valve springs for an AU sitting right next to me, i think im gonna get the Atomic ones

 

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 Post subject: Re: Valve Springs In an AU
Posted: Fri May 28, 2010 12:04 am 
Getting Side Ways
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I just didnt think they'd been mentioned Troyman, nothin related to Wade cams.

Gezza, why?
125lb with chrome moly retainers is plenty good... they cost less than half of atomics

 

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 Post subject: Re: Valve Springs In an AU
Posted: Fri May 28, 2010 1:08 am 
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I have the AU1250 cam, it has about .512 from memory, would you guys suggest heavyer springs?

 

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 Post subject: Re: Valve Springs In an AU
Posted: Fri May 28, 2010 8:56 am 
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4LEDboy wrote:
I have the AU1250 cam, it has about .512 from memory, would you guys suggest heavyer springs?


strange enough the au1250 only has .504 lift, where the 1645 has .512.
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 Post subject: Re: Valve Springs In an AU
Posted: Fri May 28, 2010 9:51 am 
Getting Side Ways
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krisisdog wrote:
I just didnt think they'd been mentioned Troyman, nothin related to Wade cams.

Gezza, why?
125lb with chrome moly retainers is plenty good... they cost less than half of atomics


I was quoted $800 for labor to get the springs in with the machining. Will work out cheaper to get the atomics

 

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EL Futura: CVE head, Wolf V500, ICE Ignition and Coil, 36lb injectors, Walbro 255lb, Paci comps, 3" exhaust, T5, Harrop Truetrac with 3.9s. Now with 198.9rwkw, (~185rwkw and 13.80 @99.1mph) with more power to come

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 Post subject: Re: Valve Springs In an AU
Posted: Fri May 28, 2010 9:56 am 
Getting Side Ways
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Holy get f**k! I'd be finding somewhere else to put them in!!

 

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 Post subject: Re: Valve Springs In an AU
Posted: Fri May 28, 2010 1:02 pm 
Getting Side Ways
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Yeah man thats a RIPOFF!!

 

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Now, I've got a message for all the other drivers out there. If you smell a delicious, crispy smell after the race, it's not your tailpipe. It's just a little of Shake...and Bake!
SHAKE AND BAKE

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 Post subject: Re: Valve Springs In an AU
Posted: Fri May 28, 2010 1:57 pm 
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TROYMAN wrote:
4LEDboy wrote:
I have the AU1250 cam, it has about .512 from memory, would you guys suggest heavyer springs?


strange enough the au1250 only has .504 lift, where the 1645 has .512.


Yeah Your right, I had my wires crossed there :) So I don't need the bigger springs?

Code:
W A D E   C A M S H A F T S    P  T Y   L T D
                                    A.B.N 62 004 544 996
                             27 Wells Road, Oakleigh, Vic, 3166
           Phone (03)9568 0333   Fax (03) 9568 2633   Email  info@wadecams.com

           Profile          Actuation             Make/Model           R/Ratio
          AU1250           Roller Rocker   Ford Au Falcon              In1.8 Ex 1.8
          --------------------------------------------------------------------------
           Cam Lift   Duration    Duration   Valve   Valve    Lift      Phase
                       Adv           @050     Clr    Lift     tdc        <)
          --------------------------------------------------------------------------
  Intake     280        270        214      Hyd      0.504     062        114
  Exhaust    280        270        214      Hyd      0.504     062
          --------------------------------------------------------------------------

                             Timing                  Timing
                             Adv                    @ 0.05
                          Open      Close        Open      Close
           Exhaust      69 Bbdc     21 Atdc      41 Bbdc   -7 Atdc

           Intake       21 Btdc     69 Abdc      -7 Btdc    41 Abdc

                                42                 -14
                          Deg Over-lap        Deg Over-lap

                 Intake Centreline  114          Exhaust Centreline  114

                   Duration is at the Lobe
                   LIFT AT TDC IS MEASURED AT THE VALVE

       WARNING: Cam followers must have good surface finish and correct radius.
       Lubricate well, avoid high RPM for the first 2 hours.
       To avoid coil-binding, after the tappets are set, check that the valve-
       spring can be compressed at least an extra .050" after full lift has
       been achieved. This will stop the valve springs from binding


               Degreeing Your Camshaft Using Lift At TDC Method
                                (For Pushrod Engines)

       First you must establish Top Dead Centre accurately. Once TDC is achieved,
       with camshaft in Place insert a Cam Follower into number one Intake
       Lifter bore. Now place a pushrod onto that cam follower and mount a Dial
       Indicator so it is in the same plane as the pushrod.
       Make sure the cam follower is on the heal (bottom) of the lobe and Zero
       the dial indicator.
       For chain driven camshafts, rotate the camshaft in the same direction as
       Crankshaft rotation until the lift at TDC stated on your Cam Card is
       achieved. Now you can install the chain and sprocket set.
       For gear driven camshafts such as Holden 6cyl, the camshaft will rotate
        in the opposite direction to the crankshaft

 

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