sbc solid roller cam for street

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danta
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sbc solid roller cam for street

I am building a 383 sbc 10@1 cr with Dart I E 215 flows 295@.600 ,217@.600, to install in an AMC Spirit (Approx 3000#) th350 , 10" converter i have all the parts to do a solid roller set-up except for the cam. The car will only see street and i need vacuum for the brakes. What are your suggestions .Thank you.

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Re: sbc solid roller cam for street

Post by Newold1 »

For street only why use a solid roller? With the great hydraulic roller profiles and hydraulic roller lifters available from good companies that can easily now reach 6800rpms, solid roller for a street only application really does not make big sense. JMO

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lefty o
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Re: sbc solid roller cam for street

Post by lefty o »

id be thinking along the lines of 235-240@.050" on a 110sep with right around .600 lift, but id call the cam guy of my choice and have him dial it in closer.

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Re: sbc solid roller cam for street

Post by bigjoe1 »

I build solid roller engines for street and strip all the time, and I do not have any problems at all. The correct solid grind will out perform the hydraulic grind every time.

JOE SHERMAN RACING

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Re: sbc solid roller cam for street

Post by randy331 »

danta wrote:I am building a 383 sbc 10@1 cr with Dart I E 215 flows 295@.600 ,217@.600, to install in an AMC Spirit (Approx 3000#) th350 , 10" converter i have all the parts to do a solid roller set-up except for the cam. The car will only see street and i need vacuum for the brakes. What are your suggestions .Thank you.

I've used solid rollers for the street.

Used Comp Cams Lobe # 1496 on the intake with 1.6 rocker, and Comp Cams lobe # 1476 for the ex. with 1.5 in a 383 awhile back.
Used them for the same reason as you. He had everything but the cam. Put Comp Cams 954 springs on it.
The thing had a real nice power curve on the dyno.

He stopped by the other day with it in the car and gave me a ride, runs very well in the car too.

The lobes numbers I posted are very slow lobes cause he will probably put some miles on it, but I've used faster lobes on other street stuff.

Randy

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Re: sbc solid roller cam for street

Post by Bogus1 »

I own and drive two 2nd Gen Camaros. Both see lots of street/strip miles. both are sbc, mid 11 second 1/4 mile cars. Both are 406 SBC with AFR 23 degree heads, one hyd roller the other is solid roller. Both are 10.4 to 1 CR and run fine on 91 octane at 2800 ft altitude. I don't spin them much over 7k RPM. I drive the solid roller cam car (262/269 @ 050) around town with lots of idle time in gear and slow cruise speeds with no issues. I've driven in temps from 30 to 104 degrees outside with no AC, not fun but I do it. Have around 18K miles on that engine with no lifter issues that seems to concern everyone these days. I check lash a few times a year just to make sure everything is okay. The only real maintenance involved is replacing valve springs.

With that said if you are wanting a low maintenance street cam profile that's probably only going to see 6200-6500 RPM max with your real street car, I would go with a hydraulic roller. Any one of the cam guys on here including Big Joe can recommend or grind a great cam profile for your specific combo. In fact I followed Joes recommendation and used the Comp 4 pattern hydraulic roller cam since he did some of the early dyno testing with them. Money wise there is not much difference when purchasing quality components to begin with.

Sorry for the long post but I just wanted to share my thoughts on the subject since I have experience with hydraulic and solid roller cams in my own street/strip cars.

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Re: sbc solid roller cam for street

Post by CGT »

If everything is there but the cam, and you have a decent set of lifters, I wouldn't hesitate to run the solid roller. You just have to fight the temptation to put real aggressive lobes in it.

Bogus1
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Re: sbc solid roller cam for street

Post by Bogus1 »

Initially I was running the stock AFR 8000 valve spring and I was changing them out at the beginning of every year. Over the winter months when the car was parked I did not back the rockers off and that may have contributed to the short life span. The AFR 8000 is pretty light to begin with, measured 240 on the seat and 590 on the nose. I have since changed over to the PAC racing 1226 spring and am on the 2nd year of use with them so far.

Bogus1

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Re: sbc solid roller cam for street

Post by cstraub »

danta wrote:I am building a 383 sbc 10@1 cr with Dart I E 215 flows 295@.600 ,217@.600, to install in an AMC Spirit (Approx 3000#) th350 , 10" converter i have all the parts to do a solid roller set-up except for the cam. The car will only see street and i need vacuum for the brakes. What are your suggestions .Thank you.

If this is a street only deal then the solid roller lifter you have really need to have pressure fed oiling. If this thing is a street car and you want to drive it then I would go hydraulic roller.

Chris Straub
Performance Mfg.
http://www.straubtechnologies.com
www.distributorgears.com

danta
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Re: sbc solid roller cam for street

Post by danta »

Like i said i already have left-over parts, Howards lifters direct lube ,Comp cam 954 springs, keepers, retainers,0.080" push rods,stud girdles,with about 50 runs that i want to use because i cant find a buyer around here and i like the sound of solid lifters. The car will be used for short periods .I spotted a Comp cam 236°-242° .564"-.570" 110° or a smaller 236°-236° .550"-.550" 110° with 1.6 in/1.5ex rockers .What do you think Thank you

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Re: sbc solid roller cam for street

Post by Belgian1979 »

Newold1 wrote:For street only why use a solid roller? With the great hydraulic roller profiles and hydraulic roller lifters available from good companies that can easily now reach 6800rpms, solid roller for a street only application really does not make big sense. JMO

I remember people here saying that at 6000 rpm it was all over for a hydraulic roller.

Newold1
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Re: sbc solid roller cam for street

Post by Newold1 »

I was never one of the ones saying that! There are lots of properly setup hydraulic rollers seeing 7500 rpms without problems. I am not sure why the OP is asking when it seems obvious he has already pretty much made up his mind with his existing parts? I'am done.

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Re: sbc solid roller cam for street

Post by FuelieNova »

I agree with NewOld1
I have a Dick Jones cam with Morel 4602 lifters running pac springs that Rick picked out and my engine runs to 7300 easily.
6000 rpm is old wives tell....
Tom

danta
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Re: sbc solid roller cam for street

Post by danta »

Newold1 wrote:I was never one of the ones saying that! There are lots of properly setup hydraulic rollers seeing 7500 rpms without problems. I am not sure why the OP is asking when it seems obvious he has already pretty much made up his mind with his existing parts? I'am done.

i was only asking for a solid roller cam that produce minimum vacuum to operate power brakes i never talked about hydraulic roller cams.