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

crane rockers

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Old Apr 27, 2008 | 02:56 PM
  #1  
whammer33024's Avatar
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crane rockers

i'm considering buying some crane rockers and kind of need some help with which ones to get. i was told you can use older small block chevy ones because they are nsa and you will obviously need guideplates. is that correct or am i way off? if that's the case, the ones in the link i will post should work, correct? or does someone have a part number for me? i don't think i need the gold race ones either. thanks guys!

http://www.cranecams.com/?show=brows...umber=11747-16
Old Apr 28, 2008 | 10:18 PM
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whammer33024's Avatar
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anyone can feel free to jump in here, haha. or do you guys think i should just go with comp pro mags?
Old Apr 28, 2008 | 10:44 PM
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Another Red Z's Avatar
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Well the ones in your link are low end rockers . They are also wide body rocker and you will have to mod your valve covers. You will need to run guide plates with them also. Crane makes a narrow body rocker in both NSA an SA . If you go with 1.6 rockers it HIGHLY recommended you replace the valve springs .

No mods to the valve cover I would run the Crane narrow body . They are both SA rockers.


1.5 Crane Cams 10751-16 Summit
1.6 Crane Cams 10758-16 Summit

Inexpensive valve springs 12495494 LT4 hotcam springs
Old Apr 28, 2008 | 10:56 PM
  #4  
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The 1.6 RRs will give you about .031" additional lift at the valve and a performance improvement. The LT4 springs are a cheep and a good upgrade for an otherwise stock engine/cam.

WD
Old Apr 28, 2008 | 11:02 PM
  #5  
mdacton's Avatar
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I would go with promags.

LT4 springs are a pc. of crap honestly.......buy something good.
Old Apr 28, 2008 | 11:29 PM
  #6  
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i was probably going to run the 10308 cranes for springs. i'm considering running the crane 227 later on so i was looking for a crane nsa rocker to use with them...keep it all one company ya know? i can mix it up if that's the best route. thanks guys!
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