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Discussion Starter · #1 ·
Hi everyone i wanted to pick your brain on my 327 build. I got a tubbed 64 impala prostreet project I'm working on (slowly :(). I'm running 200 cc rhs heads, not sure on intake yet, 10:1 compression, headers, 4 speed, and 5.43 gears. I need to know what the best solid lift cam would be for this combo. I want it pretty radical. This car will just see sat nite cruising around town at 35 mph and of course the rev it up stop light joust:p. Might hit the local 1/8 mile strip occasionally. I know i can run alot of cam with the 4 speed and gears so lets see what you guys suggest. I have been looking at the lunati 40113 or the comp xs282s. Thanks in advance guys:cool:
 

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Discussion Starter · #2 ·
Also has anyone had any experience with the old crower pn 00650 grind b312f solid lift cam? 312 advertised dur and 252 @ .050 with .480 lift with 1.5 rocker
 

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Discussion Starter · #3 ·
Thinking the lunati has too tight of a lobe sep at 106. I bet its nasty sounding but it seems it would limit my rpm a bit. I'v also been researching the comp extreme energy xs290s solid lift cam, says 2800-7200. Should be 3000-7500 in my 327. Kind of leaning towards this one, seen some you tube clips as well and its very sick sounding. What do you fellas think?
 

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Discussion Starter · #4 ·
talked to lunati again and stressed my concern of the pwr band. They told me a better choice and their match to the comp xs290s would be the 401b1 solid lift cam 280/288 adv dur 247/255 @ .050 .525/.540 lift on a 106 lsa. The comp has a 110 lsa and is 2800-7200 rpm range, the 401b1 lunati has the narrower 106 lsa and a pwr band of 2800-7000. Lunati said it will like 500+ rpm higher in the 327 and will rev quick. Think this is my choice, the 106 lsa will be "NASTY SOUNDING"
 

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That will deffinately have distinct thump! Don't overlook the fact that it may not pull much vaccum. If you are going to run power assisted brakes you'll need to run some type vaccum pump. lol :)
 

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Those all sound like pretty high rpm cams, with poor low end response. If your car is going to see mostly street driving (even radical street driving) they wont respond well at the speeds we usually drive. Been there, and done that, and didn't like the results.
I'd stick with something under 290 duration, and .500" lift, and if you want it lumpy go with 108 LSA. Those big 220cc heads will probably give you some issues for anything under 3000 rpm's, as they'll most likely not start performing until you get to that rpm range. I had 195's with a fairly big cam, and my 327 performs much better since I went smaller on the cam and heads. But I had to try it just to see how it felt!
 

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Discussion Starter · #7 ·
Vall, Yeah i wish i had some 200's instead of the 220's but it's what i got without a budget to get another set. If go ahead and run the weiand stealth dual plane it should compensate for the big heads. Thanks for the cam info as well. I know they are large cams for a street car thats for sure. I probably have to learn the hard way on this one. Pretty set on the lunati 280/288 adv dur and 247/255 @ .050 .525/.540 lift on a 106. I talked lunati again yesterday and he said it would work good with the 3.25 stroke engine, 4 speed and the gears i have. I agree it wont make much power under 3000 but i am not concerned with that. Thanks for your replies.
 

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Discussion Starter · #8 ·
no vac accesories so should work fine.
That will deffinately have distinct thump! Don't overlook the fact that it may not pull much vaccum. If you are going to run power assisted brakes you'll need to run some type vaccum pump. lol :)
 

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Discussion Starter · #9 ·
ok guys. Been doin alot of research and talking to others and taking advice here. Called comp today also for some more advice. They reconmmended the xs282s. adv dur 282/290 dur @ .050 244/252 .520/.540 lift on a 110 lobe sep. Think they are spot on. I ran this cam against all my other choices on the latest desktop software and it out performed them all. RPM range says 2400-6800 but peak pwr was at 7000. Chris Pageant from comp said it should will like a bit more rpm with the smaller cubes
 

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Sounds like a mush better choice, Casey. It should be a lot more streetable with a full range of power in your 327 with the gears you have. lol :)
 

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Discussion Starter · #12 ·
Choices and more choices. My buddy/Engine builder told me to call Jerry at Schneider cams just to see what they recommended and compare it to the above comp grind. He said Jerry is very knowledgeable and has been running Schneider for 30+ years. So I called Jerry and he give me specs on a solid flat tappet that he says is a true and time tested 327 grind for my app. Specs are 284/288 advertised dur, 248/254 dur @ .050, .530/.540 lift and a 108 lobe separation.
Pretty comparable to the comp grind, a couple degrees diff in duration, lift almost identical, and Jerry said 108 lobe sep rather then the 110 comp said. The Schneider cam is also comparable to the Lunati 280/288 specs from earlier in my thread. Lunati wanted a 106 lobe sep. So I compared the comp and lunati with Jerry without telling him the specs b4 he had chose a cam for me. He said they are both great grinds but he know from experience with this particular combo that the 106 will create too much overlap and the comp with 110 is not enough. He said the 108 is just right for the scavenging effect in the cylinders and will make the most power. Here are the 3 cams specs next to each other.

Comp xs282s

282/290 adv dur
244/254 dur @ .050
.520/.540 lift
110 lobe sep
106 intake center line

Lunati

280/288 adv dur
247/255 dur @ .050
.525/.540 lift
106 lobe sep
100 int center line

Schneider

284/288 adv dur
248/254 dur @ .050
.530/.540 lift
108 lobe sep
102 int center line
 

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Discussion Starter · #15 ·
Has anyone ran the Schneider cam i have listed? Just curious. I did find it has been used by many others on other forums. Shoud have a good rough idle and pwr band.
 

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Hate to resurrect a thread and I`m sure you already bought a cam but I have actually used that Schneider cam in a 327. Had KB157 .100dome pistons, ported and polished GM 041 heads. My cam was slightly different in that we ordered it with a 108lsa instead of the 106lsa its listed with in the book. Cam card came back at .530/.530 instead of .530/.540. Ran super strong and would pull to 7500rpms like nothing but power felt like it was dropping off about 7000-7200rpms or so. Mine was installed at a 106.5ICL so only 1.5 degrees advanced. It a all steel 65 chevelle, 4.56 gears with 26"slicks, th350 with too small of a converter that would only foot brake to 2000rpms, 1 3/4 headers, bow tie single plane intake and 75-cfm holley it ran a best of [email protected] This was a untuned combo. Very fast, very fun street car.
 

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I used a Crower 525 540. This is the cam info. worked well for my LT1 all factory block. it gave me an 11:80 et in the 1/4 mile with full exhaust and sportsman tires running pump gas. The inadequate valve train I was running only gave me 6300 through the traps and started to go flat running 456 gears and 28.75 diameter tires.
Mario
 

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