Crane 134052
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Junior User
Joined: Nov 2003
Posts: 99
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From: Oregon
Crane 134052
Has anybody run this cam before? It's a 272 advertised duration, 216@.050, basically looks like they took the exhaust lobe from the 343901 and made it the intake lobe too.
Also curious 'bout hp an torque curves:
Dual plane factory intake
unported C8AE-H heads, stock valves
.030 overbore
factory exhaust manifolds(although changing soon)
10.1:1 compression ratio
670 CFM Holley 4 bbl
@.050
134052: Int. 3 BTDC, 33 ABDC
Exh. 43 BBDC, 7 BTDC
343901: Int. 5 ATDC, 29 ABDC
Exh. 45 BBDC, 9 BTDC
If I remember correctly, that's enough to plug into Desktop Dyno, right? If one of y'all has time to plug that in, it'd be much appreciated.
-Jonny
Also curious 'bout hp an torque curves:
Dual plane factory intake
unported C8AE-H heads, stock valves
.030 overbore
factory exhaust manifolds(although changing soon)
10.1:1 compression ratio
670 CFM Holley 4 bbl
@.050
134052: Int. 3 BTDC, 33 ABDC
Exh. 43 BBDC, 7 BTDC
343901: Int. 5 ATDC, 29 ABDC
Exh. 45 BBDC, 9 BTDC
If I remember correctly, that's enough to plug into Desktop Dyno, right? If one of y'all has time to plug that in, it'd be much appreciated.
-Jonny
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Junior User
Joined: Nov 2003
Posts: 99
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From: Oregon
Thank you much Race. I've decided on the 052, Napa was able to get it today, as opposed to Wed. for the 901, and the truck has to be running by Fri. I'm glad to hear it ain't giving up much in the way of torque, not that it's usually a concern with a 390.
Hotshot
Joined: May 2003
Posts: 11,141
Likes: 25
From: south louisiana
I've got the same combo in my 68 Merc's 390. 10.25 to 1 comp ratio (stock std bore pistons) Crane 272 degree Energizer w/.533 lift. 428PI intake, 750 Holley, FPA headers. Idles almost like a stocker, just a hint of lope cold, pulls from idle to 6000. My Merc weighs 4200 lbs. Runs the 1/4 in mid 14's with the stock C-6 and 3.70 rear. Good cam. Better price than the others. Runs on 89 octane gas with 12 degrees initial timing.
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Junior User
Joined: Nov 2003
Posts: 99
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From: Oregon
That's a good tip on the timing. I was gonna run 10 degrees to start with and be safe, but if you've got more compression than me and run on 89, then I s'pose I can too. Is that 1/4 time without even a shift kit?
Hotshot
Joined: May 2003
Posts: 11,141
Likes: 25
From: south louisiana
Originally Posted by JonnyB69
That's a good tip on the timing. I was gonna run 10 degrees to start with and be safe, but if you've got more compression than me and run on 89, then I s'pose I can too. Is that 1/4 time without even a shift kit?
Oil's been changed in it once that I know of. Hell, it doesn't need a shift kit, all those years and it shifts like it's got a kit. Got a little gummed up and dried up, sitting like it did.
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