LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

1.6rr question

Old Jun 24, 2007 | 05:52 PM
  #1  
TurboXL's Avatar
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From: McChord AFB, WA
1.6rr question

I've read that many 1.6rr sets will not fit under stock valve covers... so my question is which, if any, will fit under stock valve covers?
And still perform of course.
Old Jun 24, 2007 | 06:11 PM
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Crane Gold 1.6 self-aligning RRs will fit without any problems.

WD
Old Jun 24, 2007 | 06:15 PM
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COMP Magnums will, but they're a stamped steel roller design.
Old Jun 24, 2007 | 06:51 PM
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These the ones? http://store.summitracing.com/partde...6&autoview=sku
Just ask cuz these say extruded and I haven't seen that before.
Thanks
Old Jun 24, 2007 | 07:02 PM
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what about the promagnums? Ive heard that u can clearance the stock valve covers. 1.6RRs is my next thing im doing and i was wondering this same thing
Old Jun 24, 2007 | 07:32 PM
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Originally Posted by TurboXL
These the ones? http://store.summitracing.com/partde...6&autoview=sku
Just ask cuz these say extruded and I haven't seen that before.
Thanks
Yes, those are the correct ones. I have them on my engine and I'm very happy with them. I also have Crane 3/8" pushrods.

WD

Old Jun 24, 2007 | 07:35 PM
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if u do 3/8" instead of 7/16", you do not need to change the studs, correct? Would there be any problem in using a 3/8" compared to the 7/16 in an all motor setup?
Old Jun 24, 2007 | 07:49 PM
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Thanks Engineer.
Nice engine too! Wow that thing looks awesome.
Old Jun 24, 2007 | 09:50 PM
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My comp promags fit fine.. I had to clearance the inside of the valve covers slightly but it only took 10 minutes
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