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03-17-2003, 08:18 PM
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#1 |
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Registered User
Join Date: Feb 2003
Location: Abilene Texas
Posts: 557
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cam ideas
ok i have a 400 small block im rebuilding im having the crank turned it will be a 20/20 turned crank and there is ware on the cylinder walls its already bored 30 so there gonan bore it out cause its almost worn its self out to 40 over they gonna take it to 60 its concidered a 440 small block amd im wanting a cam for in a crane came im in need of some help here i have a stock converter turbo 350 tranny 12 bolt rear end 4:11 gears any ideas on a high performance street cam hotrod cam or whatever please help
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03-18-2003, 01:25 AM
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#2 |
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Account Suspended
Join Date: Oct 2002
Location: Elkhart, IN
Posts: 6,400
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well, for starters, you dont have a 440 small block, if its .030 over its a 406, .040 over is a 409, and .060 over is 412. what kind of heads do you have? tire size? and what kind of compression ratio? what is the general use of this truck? daily driver, weekend warrior, race truck? need more info!
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03-18-2003, 02:04 AM
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#3 |
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Registered User
Join Date: Feb 2003
Location: Abilene Texas
Posts: 557
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well thanks anyway but i already have help and i charted my motor chart was concidered a 440
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03-18-2003, 02:55 AM
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#4 |
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Registered User
Join Date: Jan 2002
Location: Houston, TX
Posts: 2,144
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what do you mean you charted your motor? and jeremy is right, to have a 440 ci from a 400 small block means you would have to use an aftermarket 4 inch stroke crank with like a .04 or .06 over bore, and it takes alot of clearencing to get a 4 inch stroke crank in there.
again, charted your motor? 
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'51 F100, backhalf with a narrowed 9 and coil overs, 18.5" mickeys, monte front clip, +400" sbc in the works '05 1500 Crew Cab RIP '84 swb 5/7 drop, solid cammed 408 w/ fully ported dart heads, th350 w/ 10 inch hughes, 12 bolt w/ 3.73 richmonds and a locker '80 swb 4x4 in progress: 7" lift, 350 th350/np205, d44 and 1.5" ORD tie rod, 14BFF w/discs , armored diff covers, 40" MTR's |
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03-18-2003, 03:10 AM
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#5 |
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Account Suspended
Join Date: Oct 2002
Location: Elkhart, IN
Posts: 6,400
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no doubt man, what the heck is "charting?"
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03-18-2003, 12:00 PM
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#6 |
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driving is in my blood
Join Date: Dec 1999
Location: Mesa AZ
Posts: 5,714
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440? YEAH RIGHT! Its not even close. To get a 427BB to 440cid from overboring takes .125" OVER and that motor already has .125" extra bore over the 400sb. Whatever you charted, your charted it wrong.
As for cams, we need more info on use of the vehicle and motor before we can decide.
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-78 c10 short/step: 388cid, M20, 5/5 drop, lots more. Playtoy and first vehicle. -98 c1500 x-cab: 5.7L, 17" rims, 5/6 drop, flowmaster, helper bags,NBS rear disk brakes. -02 Suburban 4x4: leveled front -CBR600F4i, CBR600RR, CBR1000RR, and standup skis DISCLAIMER: I cant spell for the life of me. |
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03-18-2003, 02:33 PM
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#7 |
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Registered User
Join Date: Feb 2003
Location: Abilene Texas
Posts: 557
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well thanks for your help all but thats basicly the guy at the machine shop said it whould be he has some soert of software proggy im having the crank turned and all that good crap i may be wrong 412 or whatever it is thats what i have a 400 sb bored 60 with a 20/20 turned crank i found my cam i want but thanks for your help anyways i guess u think im stupid so sorry
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03-18-2003, 03:13 PM
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#8 |
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Registered User
Join Date: Feb 2003
Location: Wichita Falls, Texas
Posts: 111
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I don't think anyone thinks you're stupid, but the guy that gave you that information needs to recheck his numbers and "rechart". As for the cam like everyone has posted before, we need more information about your setup. We can't help you much without the other specs on the motor and the setup you are running.
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Matt '82 Chevy SWB |
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03-18-2003, 06:28 PM
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#9 |
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Registered User
Join Date: Feb 2003
Location: Abilene Texas
Posts: 557
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ive already got the info for my cam thanks for your trying to help thow its a dayly driver but i want it to have high performance i called jegs and they said hte 458 lift lunati cam whould be a good choice
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03-18-2003, 06:42 PM
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#10 |
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Registered User
Join Date: Feb 2003
Location: Wichita Falls, Texas
Posts: 111
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see I run a 515 lift Lunati, and I have a 400 sbc bored .030 over. Mine is very streetable and gives me the performance I want. But just goes to show you that your setup makes all the difference in what cam you should go with. Hope it works out for you.
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Matt '82 Chevy SWB |
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03-18-2003, 06:50 PM
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#11 |
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Registered User
Join Date: Feb 2003
Location: Abilene Texas
Posts: 557
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yeah me too i got this ol boy after i get my motor together and back in my pick up he wants to race me he got a 350 with a cam so i dont even know but as i build the motor together i think i will take some pics and post them on here
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