58 or 61 cc
03-06-2007, 08:21 PM
#3
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Location: Lil' Rhody
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RE: 58 or 61 cc
58cc will raise compression, but I believe they are also stud mount heads... so beware when buying rockers... you may want to get the heads first before you drop money on the rockers and find out you have the wrong ones.
03-06-2007, 08:23 PM
#4
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Location: Rotterdam, NY
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RE: 58 or 61 cc
Heres the heads:
http://cgi.ebay.com/ebaymotors/ws/eB...m=180088191759
I bought Harland Sharp 1.6 roller rockers to go with them.
http://cgi.ebay.com/ebaymotors/ws/eB...m=180088191759
I bought Harland Sharp 1.6 roller rockers to go with them.
03-06-2007, 08:31 PM
#6
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Join Date: Nov 2004
Location: Texas
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RE: 58 or 61 cc
It's funny that KC says they ported them, but those are the same flow #'s that AFR offers up.... Hmmm.
Go w/ the 58cc chamber. In addition to a slight compression boost, I've been told the chambers are designed differently on the 61cc heads....take that FWIW since I have no real proof of that.
Go w/ the 58cc chamber. In addition to a slight compression boost, I've been told the chambers are designed differently on the 61cc heads....take that FWIW since I have no real proof of that.
03-06-2007, 08:42 PM
#7
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RE: 58 or 61 cc
ORIGINAL: gspfunk
It's funny that KC says they ported them, but those are the same flow #'s that AFR offers up.... Hmmm.
Go w/ the 58cc chamber. In addition to a slight compression boost, I've been told the chambers are designed differently on the 61cc heads....take that FWIW since I have no real proof of that.
It's funny that KC says they ported them, but those are the same flow #'s that AFR offers up.... Hmmm.
Go w/ the 58cc chamber. In addition to a slight compression boost, I've been told the chambers are designed differently on the 61cc heads....take that FWIW since I have no real proof of that.
The reason I bought these is that they have the upgraded springs which are normally about $180.
03-06-2007, 08:46 PM
#9
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Join Date: Aug 2006
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RE: 58 or 61 cc
I just went with 58cc.
These are the rockers I ordered.
http://store.summitracing.com/partde...p;autoview=sku
These are the rockers I ordered.
http://store.summitracing.com/partde...p;autoview=sku