View Poll Results: yella terra or harland sharp
yella terra
96
51.89%
harland sharp
89
48.11%
Voters: 185. You may not vote on this poll
yella terra vs. harland sharp..
03-08-2007, 07:30 PM
#25
We sell ALOT of the Harland rockers. We have heard all good things from customers. On a personal note, I have owned several sets of their rockers and have always done well with them.
03-10-2007, 09:14 PM
#27
Staging Lane
Join Date: Oct 2006
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I just installed the new Yella Terra's ultra-lights #6645 on my Vette this past week. My main reason was to try to get rid of some valve train noise and also make sure I don't get any needle bearings in the oil pan. These rockers are impressive to look at and very well designed. My car gets to 6500 rpm in a hurry with no valve float. I am using TSP Stage 2.5 5.3L heads that have the dual springs, 224/228 Comp Cam, .045 Cometic head gaskets, and 7.4 push rods. Valve train noise seems to be the same as before, maybe just a bit quieter, but not much.
03-25-2007, 12:45 AM
#30
TECH Resident
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Originally Posted by Patrick G
Yella Terra has stepped it up a notch with their brand new Ultra Light shaft mounted rockers. Part number 6645. They are much lighter than the old Yella Terras. Most of the weight is centered around the trunion. The roller tip is super light. A few people on the board are running them. I should be running some before the end of the month! 
04-03-2007, 02:41 AM
#33
I too had to grind both my stock LS1 heads and my replacement LS6 heads to get the Harland Sharp rockers to fit in there. So far, no problems, but my valvetrain sounds like a sewing machine.
04-03-2007, 08:04 AM
#35
On The Tree
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Any of the Yella Terra owners have to grind the valve covers for clearance? I have a set going in this week on a heads/cam swap that is in progress. Just looking for what to expect the first time I fire it to break in the valvesprings...
04-03-2007, 09:46 AM
#37
Originally Posted by Smitty's '04 GTO
Any of the Yella Terra owners have to grind the valve covers for clearance? I have a set going in this week on a heads/cam swap that is in progress. Just looking for what to expect the first time I fire it to break in the valvesprings...
04-03-2007, 03:33 PM
#38
Launching!
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Originally Posted by ls2 bait
so anyone know if they will work on the tfs heads or not? id have to assume they would beings they are still a roller tip.
That's what was I put on with my TF heads. No fitment problems, and they look like they're well made. And yes, roller tips.
04-04-2007, 01:44 PM
#40
12 Second Club
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Originally Posted by Dan_the_C5_Man
YT's (anyone here old enough to remember Y&T?), and I sure hope they work because I've already ordered them. 
Last edited by cowboysfan; 04-04-2007 at 01:53 PM.