Small Block & Big Block Chevy Specific Mouse & Rat Motor Discussion & Conversions

help me pick out a cam?

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Old Apr 16, 2008 | 10:12 AM
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ok i am going hydro roller on a 388 stroker with ported vic jr, dart pro 1 plat heads with some mild work, all 4340 forged internals, and a T400 and plan on running a better stall but as of right now i have a TCI 2,200 which will get me by for a minute until i save another $700 for the TC i want...... anyways i was running the voodoo flat tappet cam and lifters and had a failure occure and ruined cam and lifters....... so i am going to do it right this time plus pick out a better cam if i can...... i plan on spraying this engine every now and then but would rather have a cam that was nasty on motor and performed decent on nitrous..... so no need to a "nitrous cam" so if you guys have seen any good grind or custom cams for carb small block GM cars let me know...... i want to have the best hydra cam i can possibly pick out and i know its possible! some cam are better than others and if you dont pick out the right one you are just loosing power that you could of had...... i have a few ideas but have ot finalized on anything and any info or opinions will be greatly appriciated! jake
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Old Apr 16, 2008 | 11:55 AM
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i use the comp 12-443-8 in my higher hp 383's, a flattop 383 with brodix ik210 heads and a super victor intake i made 605hp with that cam on pump gas
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Old Apr 16, 2008 | 12:18 PM
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awesome man! was that on the engine dyno i assume? and i will be looking at your website in a second and check out what ya got..... i wll be ordering in about a week or so..... thank you so much for your reply! jake
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Old Apr 16, 2008 | 12:29 PM
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that cam looks mean! says 2800-6100, does it still feel pretty nasty around 2,000 when you punch it?
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Old Apr 17, 2008 | 12:29 AM
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This would be my choice IF it were mine.... It will sound SUPER rowdy and make great power all around......

http://store.summitracing.com/partde...8&autoview=sku
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Old Apr 17, 2008 | 09:41 AM
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that cam is not a very good choice for power,i tried one of those,it lost 20peak hp and overall lost power on my high hp street 383
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Old Apr 17, 2008 | 09:47 AM
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high hp STREET car is exactly what i am wanting! shawn you know me oh too well already! lol but to overkill thanks for the idea there, even if i dont go that route its nice to know guys are trying to help...... im not exactly a cam guru, i know of a few good cams for different engines but i know in the last 5-10 years alot of stuff has come out that is great and i want to know what they are and put it in my cars! some of these guys do this stuff everyday fro a living and im glad i can talk to them and get info for my own projects...... jake
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Old Apr 17, 2008 | 11:59 AM
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Comp XFI280HR-113 is my choice. It made 380 RWHP and 450 RWTQ on a friend's 400ci TPI engine. Chevy High Performance mag recently did an article on a 383 engine with this cam, and with nitrous, does anyone remember? I dont have the issue in front of me.
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Old Apr 17, 2008 | 04:43 PM
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Originally Posted by Shawn @ VA Speed
that cam is not a very good choice for power,i tried one of those,it lost 20peak hp and overall lost power on my high hp street 383
Not a good choice for power? If you lost 20hp by stepping UP to this exact camshaft then you degreed it wrong or had an improper combo to take advantage of it. I'm not trying to get into a pissing contest or be a dick about it, but I know that cam with his combo WILL make well over 450hp without breaking a sweat

To make real power it needs a big solid roller, however he asked about hyd roller and thats the cam I suggest.

BTW the camshaft in my "Street" is .714"/.714" 262*/272*@ .050" 114* so if you were running a super rowdy bumpstick and stepped down sure I could see a power loss. Otherwise it was installer error, that exact camshaft has made 547hp/577lbft at the crankshaft for me in a 10.5:1 383 w/AFR's.
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Old Apr 17, 2008 | 06:22 PM
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i'm not going to argue with you about this.Yes that cam will make over 450hp in a 383 in fact i made around 580hp with that camshaft in a 10-1 383.But the one i suggested made 605hp.The camshaft was installed properly,i degreed it in as i do every camshaft.You need to understand that bigger is not always better.Its the combonation of parts that make a good engine.With the parts Jake has i suggested the camshaft i did becuase its very similar to my 605hp 383.I'm not trying to be a dick either,but i build and dyno engines all day every day-and do it well.I do have a clue as to what i am talking about.
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Old Apr 17, 2008 | 08:41 PM
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I found the mag, here are the specs:

395 HP @ 6000
386 TQ @ 4000

On 125 shot nitrous:
474 HP @ 5900
580 TQ @ 4100

Seems low compared to the cam you guys are suggesting.
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Old Apr 17, 2008 | 08:45 PM
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it maybe low on power compared to the others ,but its a good mild street cam
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Old Apr 18, 2008 | 12:23 PM
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Originally Posted by Shawn @ VA Speed
i'm not going to argue with you about this.Yes that cam will make over 450hp in a 383 in fact i made around 580hp with that camshaft in a 10-1 383.But the one i suggested made 605hp.The camshaft was installed properly,i degreed it in as i do every camshaft.You need to understand that bigger is not always better.Its the combonation of parts that make a good engine.With the parts Jake has i suggested the camshaft i did becuase its very similar to my 605hp 383.I'm not trying to be a dick either,but i build and dyno engines all day every day-and do it well.I do have a clue as to what i am talking about.
No you need to understand that just because a combo works for you doenst mean someone else will have the exact same sucess. Just because you like a certain combo that doesnt make it God LOL! This aint first Rodeo, I've been doing this for over 15yrs and have made thousands of dyno pulls and drag strip passes. I'm done with this, opinions vary as do HP results from dyno to dyno. Enjoy and I hope you get it all hammered out
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Old Apr 18, 2008 | 12:38 PM
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well as long as what shawn said ran as a street car i would say its would do about the same in my car...... we had the same stroker engine, similar aftermarket heads, very similar intake....... if all i was wanting was tons of power it would be had, but i want good power without having to mess with the engine every few weeks...... but either way lets stay focused as to we are trying to help me find a good street cam not see who knows more on here cause clearly both you guys both know your stuff..... so anyways i am looking into this stuff and will be ready to order in a week or 2 at the most.....shawn when you get a chance can you PM me the price of the comp lifters and cam combo? jake
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Old Apr 18, 2008 | 05:37 PM
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You'll be very pleased with either one was more the point I was trying to convey, I wasnt the one who spouted off that his cam choice was no good for power LOL as I believe it would run well also. I bow down to his infinite wisdom, he's knows all
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Old Apr 18, 2008 | 06:24 PM
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haha na man i dont think shawn was trying to imply that....but hey the words back and forth were all in good fun so its all good..... nobody hurt in the process, unlike the forums im from originally..... but thanks for all info!
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Old Apr 18, 2008 | 07:30 PM
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Hey man,i wasnt trying to be as *******,what i meant was that i did back to back tests on that cam compared to the one i suggested in a silimar combo to Jake's and that it made 20 less hp.Thats all.
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Old Apr 21, 2008 | 12:30 AM
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Originally Posted by Shawn @ VA Speed
Hey man,i wasnt trying to be as *******,what i meant was that i did back to back tests on that cam compared to the one i suggested in a silimar combo to Jake's and that it made 20 less hp.Thats all.
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Old Apr 21, 2008 | 10:03 AM
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getting some money together as we speak for the new combo.....thanks guys! jake
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