C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Lets do a roller rocker tango

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Old Nov 8, 2003 | 08:16 PM
  #1  
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gregfloyd
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From: Woodstock Ga
Default Lets do a roller rocker tango

I want to put a set of roller rockers on my 1990 vette. I want to do a 1.6 intake, 1.5 exhaust setup. I have bought a full set of crane gold race narrow body self aligning roller rockers. Part #10751-16. Anybody wanna buy a set of 1.6 of the same make and ill send you 8 of mine and you send me 8 of yours?

anyone anyone Bueller? Bueller?

Thanks

greg

gfloyd@bellsouth.net


[Modified by gregfloyd, 1:16 AM 11/9/2003]
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Old Nov 8, 2003 | 09:21 PM
  #2  
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65Z01
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From: SE NY
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Default Re: Lets do a roller rocker tango (gregfloyd)

Stop...don't split em...that rough idle thing was only an issue with the iron heads. So, just put the 1.6:1s on both int & exh.

I have 1.6:1 ProMagnums on int/exh and idle is even smoother than with stock rockers.

I bought a set of 1.6s & 1.54s, intending to split em, but then decided to just try the 1.6s on both. Now I'm waiting till I do the ZZ-9 cam and will switch to the new 1.54s and try to sell the 1.6s.
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Old Nov 9, 2003 | 02:51 PM
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JAKE
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From: Kempner Texas
Default Re: Lets do a roller rocker tango (65Z01)

Stop...don't split em...that rough idle thing was only an issue with the iron heads. So, just put the 1.6:1s on both int & exh.

I have 1.6:1 ProMagnums on int/exh and idle is even smoother than with stock rockers.

I bought a set of 1.6s & 1.54s, intending to split em, but then decided to just try the 1.6s on both. Now I'm waiting till I do the ZZ-9 cam and will switch to the new 1.54s and try to sell the 1.6s.
My experience was just the opposite.

I installed a new camshaft and with 1.6 Pro Magnums on both the intake and exhaust, the idle was unacceptable to me.

So I found a guy on this forum who was looking for 8 - 1.6s and we swapped. He sent me 8 - 1.52s and I sent him 8 - 1.6s. My idle improved very noticably and I'm really happy with the trade.

Guess it depends on the engine combo and your personal taste.

Jake
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Old Nov 9, 2003 | 04:25 PM
  #4  
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mistaben
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From: Mesa Az
Default Re: Lets do a roller rocker tango (JAKE)

how does this affect your engine performance/torque curve though?
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Old Nov 9, 2003 | 05:14 PM
  #5  
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Default Re: Lets do a roller rocker tango (gregfloyd)

Well this is the setup i want to go with... so if anyone wants to swap just drop me a line.

Thanks

Greg

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