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1.7 rocker arms on stock 302

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5.0L (1979-1995) Mustang Technical discussions on 5.0 Liter Mustangs within. This does not include the 5.0 from the 2011 Mustang GT. That information is in the 2005-1011 section.

1.7 rocker arms on stock 302

Old 11-03-2007, 08:01 PM
  #1  
cobrakiller306
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Default 1.7 rocker arms on stock 302

I'm just curious if anyone here has put 1.7's on a stock setup?? my friend would like to try it, and i'm curious if anyone has done it,,, seen any improvements??
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Old 11-03-2007, 08:04 PM
  #2  
rust_stang
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Default RE: 1.7 rocker arms on stock 302

I'm quite sure it could be done, it would make the cam = bigger. Correct me if I am wrong.
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Old 11-03-2007, 09:09 PM
  #3  
neonmarine
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Default RE: 1.7 rocker arms on stock 302

I have the Ford Performance Parts Cobra rollers. They add about 15-20 more lift and convert the H.O. to atrue roller. You will need tall valver covers. I have stock SN95s on mine and it sounds like the RR's are tapping on the covers. Make sure you get pedestal mounted ones.
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Old 11-03-2007, 09:13 PM
  #4  
cobrakiller306
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Default RE: 1.7 rocker arms on stock 302

so if he got the taller valve covers, ped. mount, yea i know he'll get some more lift, did u notice performance increase at all, hurt anything ?
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Old 11-03-2007, 09:42 PM
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neonmarine
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Default RE: 1.7 rocker arms on stock 302

The car definatly felt better. Hot Rodmag got 21hp on a Junkyard Jewel. Thats about 15hp to the wheels.
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Old 11-03-2007, 09:44 PM
  #6  
neonmarine
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Default RE: 1.7 rocker arms on stock 302

BTW, my numbers where b4 the 1.7s.
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Old 11-03-2007, 10:42 PM
  #7  
91hatchgt
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Default RE: 1.7 rocker arms on stock 302

They will free up a little HP and create less friction, but the stock cam is still only like 488lift with 1.7rr's or something pathetic like that. Don't expect anything huge. And you don't NEED new valve covers, you just need to take out the baffel that is below the oil fill neck so that the rockers can clear. This can be done with a dremel in about 10 min.

I had them on my 91 when it was stock. Add a new intake manifold, MAF, TB and 1.7rr's and then you would have a nice increase in power and throttle response.
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Old 11-03-2007, 10:52 PM
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stang8689
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Default RE: 1.7 rocker arms on stock 302

Its an easy bolt on
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