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Will these 1.6 RR work on my car?

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Old Nov 2, 2000 | 04:00 PM
  #1  
Mkos1980's Avatar
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Joined: Jan 2000
Posts: 3,968
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From: Macedonia ,OH
Car: Formula
Engine: 6.0 LSX
Transmission: 4L60E
Axle/Gears: 9 Bolt 3:27
Will these 1.6 RR work on my car?

I have a 89 350 TPI and i was looking to get Comp Cams Magnum Rocker Arms 1.6 Ratio 3/8 Self Align Pg 39-D In the jegs
I have aftermarket Moroso Valve Covers Machined for differant rockers already. If these work am i going to need differant pushrods and such? Thanks
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Old Nov 2, 2000 | 07:25 PM
  #2  
bjankuski's Avatar
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Joined: Jun 2000
Posts: 599
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From: Glenbeulah, WI
Car: 1988 Firbird
Engine: 406
Transmission: T-56
Axle/Gears: 4.10
Any time you replace the rockers arms with new ones you should also replace the push rods with new ones so they can break in together. With that said, I replaced my stock rockers with the comp cams 1.6 non self aligning rockers and did not replace my push rods. That was 60 thousand miles ago and still going strong.

One note of interest. If you have the stock cast iron cylinder heads with the push rod guide slots in them you do not need the self aligning rockers. You will also have to machine your push rod guide slots for extra crearance to run the 1.6 ratio rockers.

------------------
1988 Formula 5L/5sp 3.45 gears, SLP cold air kit, MAS gutted, TPIS air foil, TPIS AFPR, MAC headers, Mac under drive pulleys, MAC cat back, Relocated MAT.
Best ET street tires 13.85
Best 60 FT street tires 1.930
Best MPH street tires 99.29
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