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#21
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… so what exactly is your reasoning for thinking the cam favors the CV-1’s more than the HP’s ??? … |
#22
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Could you or Mike post up a dyno sheet? You have read this forum long enough to know there are some strange ideas about cam selection here. Thanks, Stan
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Stan Weiss/World Wide Enterprises Offering Performance Software Since 1987 http://www.magneticlynx.com/carfor/carfor.htm David Vizard & Stan Weiss' IOP / Flow / Induction Optimization - Cam Selection Software http://www.magneticlynx.com/DV Download FREE 14 Trial IOP / Flow Software http://www.magneticlynx.com/DV/Flow_..._Day_Trial.php Pontiac Pump Gas List http://www.magneticlynx.com/carfor/pont_gas.htm Using PMD Block and Heads List http://www.magneticlynx.com/carfor/pont_pmd.htm |
#23
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What was the MPH difference ? That is the measurement of power.
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#24
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Just under 3 mph
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#25
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Mike Dyno tested the HP combo awhile ago but the CV-1 combo wasn’t run on the Dyno …
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#26
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The cam is a good 20 deg more than the cam I am running in my 461 with High Ports. Its just my opinion, that cam was not a great match for those heads and his combo. Its going to want more head and the converter and gears required for a .285 @ .050 is not street friendly. Kind of a miss-match and the CVs helped the situation. |
#27
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… unported HP’s we’re on it previously, but you’re saying the CV-1’s are more head, in what way ?? …
… cam is fairly snotty but still drivable, so what I looks like you’re suggesting is the CV-‘s don’t make this improvement if Mike had a smaller camshaft ?? … |
#28
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Also he is running a SRT cam is your cam Solid or Hydraulic? Stan
__________________
Stan Weiss/World Wide Enterprises Offering Performance Software Since 1987 http://www.magneticlynx.com/carfor/carfor.htm David Vizard & Stan Weiss' IOP / Flow / Induction Optimization - Cam Selection Software http://www.magneticlynx.com/DV Download FREE 14 Trial IOP / Flow Software http://www.magneticlynx.com/DV/Flow_..._Day_Trial.php Pontiac Pump Gas List http://www.magneticlynx.com/carfor/pont_gas.htm Using PMD Block and Heads List http://www.magneticlynx.com/carfor/pont_pmd.htm Last edited by Stan Weiss; 12-21-2022 at 07:25 PM. |
#29
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The HP heads flow close to what the CV1 heads flow, just a little less so I don't see the cam being such a miss match for the HP heads |
#30
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3550lb car with 200lb driver running a 6.74 is showing 675 HP and a 505 with that much cam should blow well past that level. Its near the same weight as my car, same gears and my old 455HO had the same 60 foots or better and would go in the high 6s in the 1/8th. Lot of money for a couple of tenths. Its just my opinion for whatever that is worth but a cam that big in a 505 should have lower than 4.10s with a big stall converter to make it work. Just a strange combo and your heads helped it work better. |
#31
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… maybe you can post your time slips ? … … maybe you could post actual details of your car, including weight ? … … maybe post your actual experience and track data with a HP combination? … … so Mike’s HP combo is “Strange” now ? … … so apparently you’re smarter than Kevin Sweeney ? Last edited by twinturrbo406; 12-23-2022 at 04:43 AM. |
#32
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We all knew where this thread was headed................
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72 lemans,455 e-head, UD 255/263 solid flat,3.73 gears,,,10" 4400 converter,, 6.68 at 101.8 mph,,1.44 60 ft.2007 (cam 271/278 roller)9"CC.4.11gear 6.41 at 106.32 mph 1.42 60 ft.(2009) SOLD,SOLD 1970 GTO 455 4 speed #matching,, 3.31 posi.Stock manifolds. # 64 heads.A factory mint tuquoise ,69' judge stripe car. 8.64 @ 87.3 mph on slippery street tires.Bad 2.25 60ft.Owned since 86' |
The Following 2 Users Say Thank You to scott70 For This Useful Post: | ||
#33
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#34
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SMH!
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#35
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… yeah he clearly doesn’t care for the CV-1’s, so I figured I’d just ask questions based on his posts …
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#36
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Clearly the owner Mike, who I am sure is a fine fellow thought his 505 with the 380 High Ports was not what he wanted, paid a lot of money for that stuff. So he bought your heads and it ran quite a bit faster. I know 2 people who bought some of KREs CNC High Ports. A 380 set and a 400 cfm pair. Both were unimpressed and sent the heads out to another head porter and both commented that the ports were tall and kind of narrow. |
#37
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Who Is Kevin Sweeney? Also what makes him smart? ..... Just curious
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#38
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Just a fwiw the amount of duration on that cam is almost same as mine that made 1050hp @8000rpm from a 511ci. Seems like a lot of duration for this application to me.
3 tenth in 1/8 is a good gain for sure Last edited by slowbird; 12-23-2022 at 10:28 PM. |
#39
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Exactly. I thought of builds like yours when that cam was posted.
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#40
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… so does that mean you think the CV-1’s are good heads ? … |
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