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Old 02-28-2003, 02:48 AM   #1
Frankenstang65
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Join Date: Sep 2001
Location: Seattle, WA
Posts: 79
Question making some changes...need cam advice

Ok, so here's the story. I just got a sweet deal on a set of heads for my '65, so I've decided to make some other upgrades in the "GO" department as well. I've got pretty much everything picked out at this point except for the cam, which always seems to give me the biggest headache.

Here's what the combo will look like:

'70 351W - . 030 over..otherwise stock shortblock
Holley Aluminum Heads- 2.02/1.60, competition 3 angle valve job
Crane Roller Rockers - 1.7, pedestal mount
Edelbrock Performer Intake
Holley 650 double pumper
Hedman Shorties
2 1/2 custom exhaust system with h-pipe, 2 chamber flowmasters
C4 Auto- manual valvebody, shift kit, stock converter (for a while)
8"- 3.55 gears (will install 9" w/3.25s, trac-lock, this summer)

My dilema is this: I want to pick a cam that is a agressive enough to make a sizeable increase in power and take advantage of the heads, but I want to make sure that with my stock converter and somewhat tall gears I'll be able to make use of that power on the
street.

After looking at cam after cam it seems that the more radical they get, the higher up they make up their power too. And even though the final HP numbers are significantly higher over milder cam choices, I think they would make my car a dog leaving the stoplight, not helping me all that much (though at least I could get traction...maybe.. ).

I was looking at the Crane Powermax... 216/228 duration (@.050) , .484/5.12 lift, & a 112 LSA.(2000-5500 rpm) Desktop Dyno says 375 hp (a little optimistic probably)...but the power curve seems to fit my application.

Somehow, I still think I could get away with something a little more wild...lol..they have another cam that is 226/236(@.050) .502/.520 lift and also has the milder 112 LSA. (3000-6000 rpm) Desktop Dyno on that one gets me close to 400 hp, in theory. Do you think I could get away with this one using the stock converter? What cams are you running in your cars? Any other cams come to mind? I'd be interested to hear your combos.

I'd like to get somewhere close to 300hp at the wheels, and hopefully be able to make a sub 13 sec pass or two with street tires.

Sorry for the novel... but any insight would be great.

Thanks!
__________________
1965 Coupe: 351W, comp cam, Aluminum Systemax II heads (2.02/1.60), 1.7 Cobra full roller rockers, Edelbrock intake, Holley 650 double pumper, Mallory Unilite, MSD-6AL, MSD Blaster 2 coil, MSD heli-core plug wires, Hedman headers, 2 1/2" exhaust (GT style) w/ 40 series delta flows, 69 C4 w/ shift kit, shelby traction bars, 3.55:1 rear

Daily Driver:
1989 GT- 5spd, K&N (no silencer), Shorty Headers, King Cobra Clutch, Flowmaster Force II Cat-back

Last edited by Frankenstang65; 02-28-2003 at 02:55 AM..
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