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still chasing the cutout in boost at 5k

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Old 06-02-2012, 01:33 PM
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I'm using pac1518 singles with 135 seat and no problems so far at 22psi, .551 lift. Unless you have 50k+ miles on them, I'd bet your ok.
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Old 06-02-2012, 01:35 PM
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The other factor in "valve float" is valve diameter. What size valves / heads are everyone using? My experience was with stock 317 heads.
Last edited by 03sierraslt; 06-02-2012 at 01:46 PM.
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Old 06-02-2012, 01:48 PM
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Originally Posted by Wilde Racing
i sent you the emails. with the dyno graph, and some tunes/logs. i dont know if the logs or tunes with work. tho just lmk

thanks!
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Old 06-02-2012, 01:48 PM
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True, I got them there GM racing heads, 862's.
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Old 06-02-2012, 01:48 PM
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Originally Posted by foose04
I'm using pac1518 singles with 135 seat and no problems so far at 22psi, .551 lift. Unless you have 50k+ miles on them, I'd bet your ok.
okay sweet. and they were brand new
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Old 06-02-2012, 01:49 PM
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Originally Posted by Wilde Racing
The other factor in "valve float" is valve diameter. What size valves / heads are everyone using? My experience was with stock 317 heads.
not sure on valve size. but there stock 5.3 heads, casting number is 862s
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Old 06-02-2012, 02:01 PM
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Here is the dyno


I'll have to wait till I am home to upload the HPT files.
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Old 06-02-2012, 02:40 PM
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here are the files, The config file wont upload
Attached Files
File Type: hpt
mikefreymod1.hpt (514.8 KB, 121 views)
File Type: hpl
mikefreystocklog.hpl (64.8 KB, 83 views)
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Old 06-02-2012, 02:42 PM
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Originally Posted by 03sierraslt
Here is the dyno


I'll have to wait till I am home to upload the HPT files.
okay sounds good. thanks!
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Old 06-02-2012, 02:47 PM
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Was that log a log of the dyno pull?
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