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Old 09-03-2010, 12:49 PM
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what cam for 305

let me say thanks guy's for any help.....i have 81' k-10 4x4 ,373 gear,3sp with granny..stock...cam has went south , cyl 4&6 no lift on ex.
i good motor ,has 55lbs oil press.. i want a good sounding cam ,sound means more than power to me if i was wanting power i would not be messing with 305....but i like it ...laid off work for now, so cheap is good too...any sugg????
this truck is mainly for the mud and trails not on the road much....to the dump ,store or just to get to some trails...thanks

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Old 09-03-2010, 02:39 PM
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When you install a cam with enough duration and overlap to sound racey at idle you will take a good size hit on the low end torque output that is critical in a truck application. Especially on a small 305. If you have tall tires its really going to be low on low end grunt.

A high stall converter will help 3000+. Advancing the cam a bit more can help.

Use summit cam #sum-1785 $86 SUM-K00172 C+L set $133 make sure it goes in right on a 102 intake C/L by degreeing it in.

recurving the distributor will help.

Will have the sound you are after without getting too carried away.
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Old 09-03-2010, 03:50 PM
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the new comp cams have managed to combine the sound you want without the sacrifice of drivability...there is sound bites so you can hear what you will be getting and dyno results http://www.compcams.com/thumpr/default.asp
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Old 09-03-2010, 03:58 PM
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Quote:
Originally Posted by nanaimoBC
the new comp cams have managed to combine the sound you want without the sacrifice of drivability...there is sound bites so you can hear what you will be getting and dyno results http://www.compcams.com/thumpr/default.asp
you have obvoiusly never used one of these cams.
They require special setup , a high stall converter etc etc .
The idle is very rough, The "drivability" is effected to a great degree especially if not set up correctly with the nessessary changes. Not the cam to stick in a stock motor in a truck with a stock converter. its not a bolt in a go deal.
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Old 09-03-2010, 08:59 PM
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Only cam that comes to mind too me that wouldn't be totaly way too huge,but still have a lopey idle would be Cranes Energizer 274. Its got 218@050 and 450 lift but on a 106 lobe seperating which will give a raceyer idle and a spikeyer power curve.
Evan 218@050 is pushing it for a 305 especially in a heavy truck.
Isky makes a cam with 216@050 on a 108 Lobe seperating that may be slightly better for bottum end.
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Old 09-03-2010, 11:58 PM
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I`d look into the Comp Xtreme energy 4x4 cams. They have a really low powerband and will give you the sound your looking for.
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Old 09-04-2010, 07:56 AM
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you keep saying stall , straight drive....
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Old 09-04-2010, 12:27 PM
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any ideas since a stall is not a factor?????
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Old 09-04-2010, 12:53 PM
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Well if you are looking for an inexpensive cam, you should check out Jegs' cams. They're only 89 bucks for the cam, lifters, and cam lube. I have one in my 350 and it's great. Good sounding idle, plenty of power down low and up high, good drivability. Here's a link to them: http://www.jegs.com/p/JEGS/JEGS-Perf...15318/10002/-1
This is the one i have in my 350 but it might be too big for a 305: http://www.jegs.com/i/JEGS/555/20010...18#moreDetails
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Old 09-05-2010, 12:21 PM
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Quote:
Originally Posted by bigdog7373
Well if you are looking for an inexpensive cam, you should check out Jegs' cams. They're only 89 bucks for the cam, lifters, and cam lube. I have one in my 350 and it's great. Good sounding idle, plenty of power down low and up high, good drivability.
This is the one i have in my 350 but it might be too big for a 305: http://www.jegs.com/i/JEGS/555/20010...18#moreDetails
We've used your cam in 305s 334s, and 350s all. It works great all around. Our 334s are always smooth idle with amazing low end. With our 350s you can hear the cam but I still call it a smooth idle and it always gives very satisfactory low end and mid range.
In 305s the grind makes itself known more, but I doubt I could pick out a better cam for a truck.
My kid had one in a 9.5/1cr 350 work truck. Ran great but didn't quite have the sound.. Went to 1.6 roller tips in and ex.. Got a sound that often causes people to ask "Does it have a cam in it?" Didn't take anything noticeable off the bottom end but picked up more mid range and pulls strong close to 5000.

I don't think we've ever used 1.6s on a 305, but I feel sure it would have a good sound. After all despite it's conservative timing and duration when ratioed up, it's lifting 450 473., Very friendly grind from an 8.5 to 1 to a 9.5 to1 Always good mileage too.
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Old 09-05-2010, 04:27 PM
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Yes, i am very pleased with it. I wasn't expecting much for $89 but they are a great deal.
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