crane shaft mount rockers
crane shaft mount rockers all in a nicely packed box
one cylinder set up
rocker has a polymatrix bearing. no needle bearings means less friction loss.
Rocker stud towers had to be cut down .170" to fit the shaft mount. the holes had to be drilled and tapped to 3/8-16 thread pitch.
You can see where the valve cover wall had to be notched as well to clear the rocker. Also, on the right, you can see where the bolt boss had to be machined down.
stands on head
rockers installed
some close ups of the rockers. will need the 3/4" spacers to raise the valve covers enough to clear.
one cylinder set up
rocker has a polymatrix bearing. no needle bearings means less friction loss.
Rocker stud towers had to be cut down .170" to fit the shaft mount. the holes had to be drilled and tapped to 3/8-16 thread pitch.
You can see where the valve cover wall had to be notched as well to clear the rocker. Also, on the right, you can see where the bolt boss had to be machined down.
stands on head
rockers installed
some close ups of the rockers. will need the 3/4" spacers to raise the valve covers enough to clear.
When do you expect the dyno results? Kinda wanted to see someone do a recent test of these...I know Tony Mamo has tested them with good results, but not much is ever said about them.
i won't have any before/after test myself, as i'm putting these on a completely different motor. vinci has already done some testing on their C6 R&D car. they tested them against the 1.8 quick lift rockers and made 19 rwhp more with the 1.7 shafts.
http://vincihighperformance.com/C6%2...ON%20PAGE.HTML
http://vincihighperformance.com/C6%2...ON%20PAGE.HTML
Originally Posted by mrr23
i won't have any before/after test myself, as i'm putting these on a completely different motor. vinci has already done some testing on their C6 R&D car. they tested them against the 1.8 quick lift rockers and made 19 rwhp more with the 1.7 shafts.
http://vincihighperformance.com/C6%2...ON%20PAGE.HTML
http://vincihighperformance.com/C6%2...ON%20PAGE.HTML
Originally Posted by mrr23
it cost me $200.00 just for the machine work to get the rockers to fit. with a complete valve job, it was $400.00
