put the cam in or not
08-25-2003, 10:23 PM
#1
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Location: Clinton, MS
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put the cam in or not
alright another day another question. i've had this cam for a while and i'm finally gettin around to messin with it. I was wondering if ya'll thought it would be worth while to put it in. It's a flat tappet cam @.050 duration is 216/216 the lift @valve is 454/454 what do ya'll think? i'm also goin to put either a 100 or a 150 shot on it.
Last edited by STANGeatinZ; 08-25-2003 at 10:30 PM.
08-26-2003, 12:44 PM
#6
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1.6's with that cam will make around .484" lift at the valve. That's a pretty good number for a near-stock engine.
The duration is a little short too....216 is better than stock but only by a couple degrees. However, it should give a nice smooth (sleeper) idle.
For the price of an intake gasket set and a timing cover gasket, I'd say definitely throw it in there.
The duration is a little short too....216 is better than stock but only by a couple degrees. However, it should give a nice smooth (sleeper) idle.
For the price of an intake gasket set and a timing cover gasket, I'd say definitely throw it in there.
08-26-2003, 01:26 PM
#8
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Originally posted by STANGeatinZ
i wasn't sure how high i could go with the duration without messing with the computer
i wasn't sure how high i could go with the duration without messing with the computer
08-26-2003, 05:15 PM
#9
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I put an LT1 cam in my car and once I try to cruise over 55MPH I backfire like a mother...the engine service light comes on (turns off once I drive under 55 for a while) I think my EGR got messed up...but it was bad....embarassing to be backfiring so much down the road...under 55MPH it drove perfectly though, and in WOT it was perfect....beats me...the 305 is sitting on the floor of a garage though...so it can kiss my @$$....
08-26-2003, 05:24 PM
#10
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Definitely should have gone higher on the duration side. Like everyone else said, it's better than stock so go ahead!
How much is a custom burnt chip usually?
-Rippin
Originally posted by DarthIROC
You shouldnt worry about that yuo can always get a chip burned to match you cam and all realatively cheaply.
You shouldnt worry about that yuo can always get a chip burned to match you cam and all realatively cheaply.
-Rippin
08-26-2003, 08:09 PM
#11
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well I think the best thing to do is buy one of the programmers. Its kinda expensive at first around $400 I think. But after that you can burn all the chips you want for your car yourself.
Last edited by DarthIROC; 08-26-2003 at 08:31 PM.
08-26-2003, 08:17 PM
#13
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216/450'ish lift is fine for a 305. I'd try it if I had it for sure. And it will appreciate the converter he has with that turbo 350.
What's done to the intake? I seen you had "intake" in your signature. And of course it it with a 100 shot at the very least once ti's running nicely on motor alone. Goodluck!
What's done to the intake? I seen you had "intake" in your signature. And of course it it with a 100 shot at the very least once ti's running nicely on motor alone. Goodluck!
08-26-2003, 10:53 PM
#14
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That's the Crane Energizer 272 cam. I'd recognize those specs anywhere. It's a good midrange torque cam on a N/A small displacement motor. It takes to 1.6 rockers like a duck to water, without beating up the valvetrain due to it's relatively mild lobe profiles.
It's a LOT more cam than stock, actually. About 10-15* more duration than stock, depending on what stock cam you've got in there now. That's a pretty big change, in reality. It'll still run OK with a stock chip, but a custom burned chip would be preferred. Trust me, it' no wimp-o cam. It's got *****.
It's performance on the bottle is a little compromised since it doesn't have any more exhaust duration than intake (which nitrous motors with stock heads like) but it'll still haul decent backside both on and off the bottle.
I've used that cam in a buncha different street motors, all carbureted- N/A, nitroused and even with a blower! (usually 350s but it should work about as well in a 305).
It's a LOT more cam than stock, actually. About 10-15* more duration than stock, depending on what stock cam you've got in there now. That's a pretty big change, in reality. It'll still run OK with a stock chip, but a custom burned chip would be preferred. Trust me, it' no wimp-o cam. It's got *****.
It's performance on the bottle is a little compromised since it doesn't have any more exhaust duration than intake (which nitrous motors with stock heads like) but it'll still haul decent backside both on and off the bottle.
I've used that cam in a buncha different street motors, all carbureted- N/A, nitroused and even with a blower! (usually 350s but it should work about as well in a 305).
08-26-2003, 10:56 PM
#15
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OOps! Back up. TPI? Not a good choice. Lobe Separation angle's too tight (110 for the Crane Energizer 272 vs. ~115 for a stock cam). TPIs don't really like tight LSAs. For a carbureted motor it has always worked great for me. For a TPI- I've never tried it. I suspect it wouldn't work so well. You want a cam with a wider 112-114 LSA to work well with a TPI.