Miller 7075-T7 Aircraft Aluminum 1.7 Ratio Roller Rockers - 460 Ford Forum
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post #1 of 29 (permalink) Old 10-30-2007, 04:44 PM Thread Starter
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Miller 7075-T7 Aircraft Aluminum 1.7 Ratio Roller Rockers

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(Guys, we have just a few sets of these left to sell. We are offering the 1.7's at this time, not the 1.8's.)

Miller 7075-T7 Aircraft Aluminum 1.7 Ratio Roller Rockers



  • Miller Roller Rocker 1.7 Ratio (yes, the same manufacturer as the $2800 Miller hemi rocker arms),
  • Designed to work with both BBC and BBF
  • Rocker body made of 7075-T7 aircraft aluminum
  • 8620 billet steel trunnion axle which is rifle drilled for additional strength
  • Dual trunnion flats (inverted trunnion at installation is impossible)
  • Beefy oversize pin on roller tip
  • Tiny pushrod cup oiling hole so as to help control top end oiling
  • Chromoly hammer forged polylocks (ie work hardened, not broached)
  • Establishing proper pushrod length is a snap with the top measuring face on the rocker (instructions inlcuded).
  • Originally $384 Retail/$310 Racer Net
  • Complete brand new set with polylocks and instructions just $225 shipped anywhere in the contiguous 48 States (Alaska/Hawaii/Int'l please inquire)
We don't think there's a better rocker arm package for the money, as none of the other rockers offered at this price come with comparable materials, composition or technology behind them. We install these on all of our ported D0VE head conversions with great success and 100% customer satisfaction.

PM or call if interested,

Paul

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post #2 of 29 (permalink) Old 10-30-2007, 05:53 PM
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Don't hesitate, these things were dead on when I put them on my engine.
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post #3 of 29 (permalink) Old 10-30-2007, 07:38 PM
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Originally Posted by PBR
Don't hesitate, these things were dead on when I put them on my engine.
Good to hear,I just bought a set.
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post #4 of 29 (permalink) Old 10-31-2007, 06:33 PM Thread Starter
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Thanks guys.

Y2K, your rockers have shipped. 8)

Paul

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post #5 of 29 (permalink) Old 10-31-2007, 07:22 PM
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Quote:
Originally Posted by Paul Kane
Thanks guys.

Y2K, your rockers have shipped. 8)

Paul
Thanks Paul.

EDIT: Rockers showed up Friday and look great.
To all interested Paul with http://www.highflowdynamics.com/ is first rate to deal with and been a great help with technical advise for me,my hat's off to HFD.
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post #6 of 29 (permalink) Old 11-07-2007, 02:53 PM Thread Starter
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We have a few more sets remaining. 8)

Paul

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post #7 of 29 (permalink) Old 11-07-2007, 03:01 PM
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Paul...

Are these 1.70 or 1.73 ratio? ( i believe stock is 1.73)

Are there any weak points in this rocker compared to a crane gold series or similar?

1969 Mustang Fastback - stock 1968 460 with carb/intake/cam/headers - 12.12 @ 112 on 17" drag radials
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post #8 of 29 (permalink) Old 11-07-2007, 03:22 PM
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Quote:
Originally Posted by 69fb
Paul...

Are these 1.70 or 1.73 ratio? ( i believe stock is 1.73)

Are there any weak points in this rocker compared to a crane gold series or similar?
Look at the first post,it reads 1.7 8)
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post #9 of 29 (permalink) Old 11-07-2007, 03:26 PM
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Quote:
Originally Posted by Y2K
Quote:
Originally Posted by 69fb
Paul...

Are these 1.70 or 1.73 ratio? ( i believe stock is 1.73)

Are there any weak points in this rocker compared to a crane gold series or similar?
Look at the first post,it reads 1.7 8)
I know Paul is always very accurate with what he posts...but because i've heard of other people mention 1.7 rockers when they really meant 1.73, I figured I'd ask.

Since a 1.70 and 1.73 is offered as rocker ratio's...I'd like to see another decimal place so I know exactly what i'm buying.

Since you already received your arms...did you measure the lift at the cam and lift at the valve to see what ratio they are? Or is it listed in your paperwork?

1969 Mustang Fastback - stock 1968 460 with carb/intake/cam/headers - 12.12 @ 112 on 17" drag radials
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post #10 of 29 (permalink) Old 11-07-2007, 06:07 PM Thread Starter
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These are 1.7 ratio rockers, not 1.73 ratio. The difference in valve lift between 1.7 & 1.73 is neglible; for example a .600 lift cam with 1.73 rokers would translate to .590 lift with 1.7 rockers. That's just .010" lift difference, and this amount would be less than that with a smaller cam grand.

We have used these rockers in engines using bone stock oem camshafts all the way up to north of .750 lift roller cams with big spring pressures, and in every single case they work flawlessly and excellently.

Paul

p.s.: Measuring [lobe lift and then valve lift] does not in itself factor rocker arm ratio. There are too many other variables that influence the information that is translated to the valve, such as pushrod deflection, under-optimzed valve train geometry, etc.

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post #11 of 29 (permalink) Old 11-07-2007, 06:09 PM Thread Starter
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Quote:
Originally Posted by 69fb
Paul...

Are these 1.70 or 1.73 ratio? ( i believe stock is 1.73)

Are there any weak points in this rocker compared to a crane gold series or similar?
Crane gold Series are made of 6061-T6, which is an excellent rocker body material. These, however, are made of 7075-T7 and have a higher tensile strength, higher fatigue resistance, higher destruct tonnage, etc, than the Cranes.

No disrespect to the Crane rockers, they are a fine product.

Paul

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post #12 of 29 (permalink) Old 11-08-2007, 06:49 AM
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Thank you Paul,

PM sent on payment information.

1969 Mustang Fastback - stock 1968 460 with carb/intake/cam/headers - 12.12 @ 112 on 17" drag radials
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post #13 of 29 (permalink) Old 11-08-2007, 09:24 AM
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Paul,
I have the check going out this afternoon for a set of the 1.7 rockers. Thank you for all your time and effort in our previous phone conversation.


Big Hurt
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post #14 of 29 (permalink) Old 11-08-2007, 12:38 PM
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payment sent on the rockers Paul (i tried returning your pm but was unsuccessful for some unknown reason)

THanks,

John

1969 Mustang Fastback - stock 1968 460 with carb/intake/cam/headers - 12.12 @ 112 on 17" drag radials
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post #15 of 29 (permalink) Old 11-08-2007, 02:53 PM Thread Starter
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Big Hurt,
Thanks, I'll tell you when pmt is received and also when your item ships.

John,
Pmt received and your rockers shall ship Friday or Monday; watch your email for a tracking number.

Louis G,
Your rockers are enroute.

8)

Paul

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