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Yella Terra Ultra-Light results

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Old 05-20-2007, 07:46 AM
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Originally Posted by qwikz28
interesting that you are dynoing between mods. i think thats a great idea. what rear did you have before?
I posted after I dynoed with changing the rear to the 9" and 4.30's and doing an EWP. I did have the stock 10 bolt in there before then.
Old 05-20-2007, 07:47 AM
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Originally Posted by Dip Stick
what kind did you get? get em from a sponsor?
I got the rockers from new era performance, cheap as hell. I would give them a call for sure. This is the latest design.
Old 05-20-2007, 07:58 AM
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Originally Posted by WS6FirebirdTA00
I got the rockers from new era performance, cheap as hell. I would give them a call for sure. This is the latest design.
Then for those unaware, they are the stock ratio 1.7 Yella Terra Ultra-lite #6645
Old 05-20-2007, 08:00 AM
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When we sell the old house... ill be looking for a new rear end assembly, and new n/a power. Been thinking of heads and rockers and some fuel delivery stuff maybe.. shrugs. Damn the slow realestate market.!!!

Nice work Thanks.
Old 05-20-2007, 08:07 AM
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Originally Posted by The Dragon
Then for those unaware, they are the stock ratio 1.7 Yella Terra Ultra-lite #6645
Thanks, I should have just said that lol
Old 05-20-2007, 08:09 AM
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Thumbs up

Originally Posted by WS6FirebirdTA00
Thanks, I should have just said that lol

No problem

I've been staring at them in their package on my entertainment center for over a week now

I should be getting them installed by Wednesday at the latest
Old 05-20-2007, 08:11 AM
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Well, since I milled the heads/had Tony port the intake, I have been going to the dyno after each mod. I think it is really cool to be able to see what your money is doing

Between the clutch, headers, and now this, I have gained 31 hp and 24 ft-lbs in the last month. Getting the right parts to work together is key (Thankfully, Tony helped guide me through these things and opened my mind to things I never thought of).

good luck selling the house
Old 05-20-2007, 08:12 AM
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Originally Posted by The Dragon
No problem

I've been staring at them in their package on my entertainment center for over a week now

I should be getting them installed by Wednesday at the latest
FWIW, on my AFR heads I had to use the washer to get the right valve wipe and then had to order longer pushrods (by 0.050") to get the proper preload back.
Old 05-20-2007, 08:35 AM
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Great info. mike & keep it up buddy

peace
Old 05-20-2007, 08:45 AM
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No mods to the valve cover then with the AFR 205's? Thanks for dynoing the change.
Old 05-20-2007, 08:47 AM
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No problem guys, I wanted to see this kind of stuff myself and figured since no one else had it, I might as well do it haha

I did not modify the valve covers at all. I also ran them for some time and pulled the covers to check for wear, and saw nothing on the driver side (didn't want to fool with the passenger side lol).
Old 05-20-2007, 09:33 AM
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Originally Posted by WS6FirebirdTA00
thanks man, between that and the 13/15 loss from the rear (22 ft lbs loss at 3000 rpm), this little cam is doing pretty damn good for me
Hell yeah-that's a nice little combo bro-what's the best place to purchase the rockers?
Old 05-20-2007, 11:05 AM
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Nice ! We have more in stock for those of you looking to pick some up , you can order them here www.neweraperformanceparts.com . We made 845 rwhp with these rockers reving to 7200 rpms with a huge cam (257/265 .650/.650 112 lsa) with no issues .

Mike
Old 05-20-2007, 12:08 PM
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So these are a straight bolt in; no shimming required? Curious to know the weight as well.
Old 05-20-2007, 12:25 PM
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Read above, he did shim for his AFR 205 heads.
Old 05-20-2007, 01:28 PM
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i just put these in as well. i did it more for reliability since i shift at around 6900. i did not realy notice any increase in power, but the throttle response did seem a bit better. great numbers and great mod.
Old 05-20-2007, 02:54 PM
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Originally Posted by New Era Performance
Nice ! We have more in stock for those of you looking to pick some up , you can order them here www.neweraperformanceparts.com . We made 845 rwhp with these rockers reving to 7200 rpms with a huge cam (257/265 .650/.650 112 lsa) with no issues .
Mike
Wow, 845rwhp with just cam & rockers... where do I sign up?
Old 05-20-2007, 04:23 PM
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I felt no difference at all after putting them in, although you wont feel 5 hp at those high rpms lol
Old 05-20-2007, 04:59 PM
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Originally Posted by JimMueller
Wow, 845rwhp with just cam & rockers... where do I sign up?
those gains aren't too impressive, must be through an auto and a 9inch.
Old 05-20-2007, 10:16 PM
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Question

Originally Posted by WS6FirebirdTA00
FWIW, on my AFR heads I had to use the washer to get the right valve wipe and then had to order longer pushrods (by 0.050") to get the proper preload back.
I don't suppose there's any chance that someone could guess if I needed to order pushrods in a length other then stock?

I have the TSP stage 1 ported LS6 heads with stock-sized manley valves and hardened stock-length pushrods. I'm running the .660 lift PRC dual springs if that matters at all


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