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#1065189 - 02/25/20 10:54 PM Cam specs for ccc  
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88ssBrent Offline
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So I had some questions and would appreciate insight. I have a all stock 88 monte carlo ss with factory 305. I've been doing some figuring on a 383 but I'm worried about my cam spec because I want to retain my ccc system as I find it to be pretty neat. I'm wanting to get in the 400 h.p. 400 ft/lbs range. The car is only a weekend car. I'm just wanting a little red light to red light power. A cruiser with good street manners. Engine specs would be .30 bore, 4 bolt, 1 piece seal gm block. I'm wanting to just run pump gas. So I was thinking 9.1 compression. .000 deck, .040 gasket, 24cc dished pistons. 5.7 length rod. Go with vortec heads 64cc, get machined for higher lift and better valve springs. I've been looking at the gm " hot" roller cam 218I/228E @ .050, lift .525/.525, 112 Lsa, with 1.6:1 roller rockers. How will the ccc handle this combination? I'm not wanting to spend a ton but I want it to be reliable and I also want room to grow as I upgrade transmission and rearend over time. Any help would greatly be appreciated.

#1065201 - 02/26/20 06:06 PM Re: Cam specs for ccc [Re: 88ssBrent]  
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mmc427ss Online content
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mmc427ss  Online Content
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The CCC system will work fine on the 383 as long as cam specs don't get to radical. Keeping the CCC setup with a 383 has been done many times here.
The draw back is you need to have a CCC carb/system in good working condition to start, and have some knowledge of how to check and change the idle control system to compensate for the larger engine with more cam. Not a big deal but is an education.

As with all forums these days traffic is slow and less frequent. Persistence is necessary on the internet to get answers to questions. Others should, may, jump in to this post if you stay tuned.

Welcome to the Forum.
Bob

#1065202 - 02/26/20 06:33 PM Re: Cam specs for ccc [Re: 88ssBrent]  
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200kSS Offline
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I've run the Comp xe268 with the ccc system (230@50 .480 lift, 110 lsa). In a 355, it was at the edge of what I would consider ok with the computer. A well know ccc carb builder highly recommended a smaller cam or going non-ccc carb when I told him the cam specs.

The GM hot cam should be fine. A couple of us here are running the Comp HR276 (224/230@50, .502/.510 lift, 110lsa).

I would not be afraid to add .5 point of compression either.


88 SS Black/Oxblood. Power Tour car
80 Malibu 2dr. Drag Week car
#1065203 - 02/26/20 08:36 PM Re: Cam specs for ccc [Re: 88ssBrent]  
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PB86SS/87LS Online beer
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I don't have much to add, the above posts covered it, but I also run a 383 with the CCC system, Brian might of listed my cam specs, I forget off hand which I have but can look it up and reply here, hopefully sooner than later. My 383 dyno numbers are in my signature, works very well with the stock Q-Jet and CCC system, I'd say. I also preferred keeping the system intact since my performance goals aren't really limited by it.


-86'SS 383 CCC QJet- BRF 2004r-8.5" 3.42 -313/344@RW - 13.35 @103
-87'LS 350 MAF/SD TPI- CRF 2004r-7.5" 3.42 -248/340@RW - 14.55 @ 96
-81'Grand LeMans Safari Wagon 3.8 2bbl/200C/2.73
-07'TBSS Stockish daily driver
[Linked Image]
#1065204 - 02/26/20 09:23 PM Re: Cam specs for ccc [Re: 88ssBrent]  
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Buick Runner Offline
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Dharma station 1 the Hydra
With a larger engine, you may need to drill the idle tubes in the carb a little larger as they are border line lean for a 305. Advancing the base ignition timing some will help tame idle quality.


SBC powered 1987 Regal with TES headers, ZZ4 intake, ZZ4 PROM chip, mini starter, THM2004R, 2500 stall converter, 2040 cam, CCC system, and 3.73 posi rear.

2008 ex NPS P71 Crown Victoria, cop motor, cop shocks, cop brakes, and Jmod.

Never argue with an idiot.
They will just drag you down to their level and beat you with experience.
#1065207 - 02/26/20 11:08 PM Re: Cam specs for ccc [Re: 88ssBrent]  
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800rmk Offline
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I'm running the unmolested CCC with a 355 very similar to your engine with a 215/225 @ 50 cam. Runs well, I did have to change the secondary rods in the carb though. I never had to touch the idle tubes.


1985 Monte Carlo SS Vortec headed 355, Howards 215/225 cam, 200r4 with trans go kit,Patriot headers and magnaflow mufflers, 7.5" 3:73 diff
soon to install: 8.5 inch diff from 84 Olds 442
#1065208 - 02/27/20 12:02 AM Re: Cam specs for ccc [Re: 88ssBrent]  
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88ssBrent Offline
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Thank you all for the replies! I have been reading here about about some things with the the carb. I also ran across some stuff from cliffs high performance about changes needed to be made and thought I might get with him once I'm up and going on the motor and see what he recommends. On the gm hot roller cam it says you need to have a melonized gear on the distributor. I searched on here and I've seen seen some say the stock distributor gear works fine. Any insight on that?

#1065210 - 02/27/20 02:36 AM Re: Cam specs for ccc [Re: 88ssBrent]  
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BadSS Offline
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The Hot Cam would work great with the CCC in a 383. As other have said, it probably would take a little tweaking to the carb, but not a lot. If you want to try and take it on yourself, I would recommend getting the Rochester Carburetors, Revised Edition book by Doug Roe
https://www.amazon.com/Rochester-Ca...mp;qid=1582767796&s=books&sr=1-2

Some say all small cap computer controlled distributors have the melonized gear. The engine/dizzy with hydraulic rollers did, but our Montes didn’t have the roller cam. Unless someone can say for sure, I’d think it good insurance to spend the $34 so you’ll know it’ll be compatible with the Hot Cam. (Small Cap HEI has a 0.427” shaft)
https://www.amazon.com/ACDelco-19052845-Original-Equipment-Distributor/dp/B000EQRRVU

You didn’t ask about engine components but AFR has a new set of as cast heads aluminum heads that flow 20-30cfm more than Vortecs. At $953.30 they don’t cost much more than a new set of Vortec heads upgraded to handle the lift for the Hot Cam. The Summit Vortec heads are $727 and would need a spring change and from the feedback some need to be surfaced. The difference in price is well worth it in my opinion. Plus, the AFR are sized to a 1205 gasket and take standard intakes, so you could run your stock intake, which isn’t far off from a Vortec Performer intake (making up more than the difference in head cost).
https://www.summitracing.com/parts/afr-1006
https://www.airflowresearch.com/195cc-sbc-enforcer-cylinder-head/#specs

Running the aluminum heads would let you run a flat top piston to yield around 10.3 – 10.6:1 compression (depending on the valve relief volume) which is plenty low enough to run premium pump gas with the aluminum heads. Plus, there are dyno results making a little under 400HP with a HT383 crate engine with a Hot Cam swap while running the stock GM Vortec intake and Vortec heads (valve spring upgrade). You would easily make over 400HP with the AFR heads and Hot Cam with the CCC and stock intake. You would also be investing in a set of heads that could be ported later on, not requiring you to invest in another set once you decide to pump up the power.


Original owner of 1985 SS black hardtop w/gray interior. Frame-on restoration - 406 sleeper w/ heavily ported FIRST TPI. However the 1.875" headers, 3.5" duals, TH400, Ford 9", notched frame, and 10-point cage w/swing-out bars might tip you off it's not a lil' ole 305 TPI. Other mods: 2" drop, 18" wheels, f/r disk brakes, and custom stereo system.
#1065275 - 03/05/20 01:08 AM Re: Cam specs for ccc [Re: 200kSS]  
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PB86SS/87LS Online beer
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New Berlin, WI
Originally Posted by 200kSS

The GM hot cam should be fine. A couple of us here are running the Comp HR276 (224/230@50, .502/.510 lift, 110lsa).

I would not be afraid to add .5 point of compression either.


Finally found my Comp cam spec sheet, almost what Brian has, it’s the XR276HR-12 if that is officially different. This one is .503/.510 lift, 112lsa same 224/230 @ 50.


-86'SS 383 CCC QJet- BRF 2004r-8.5" 3.42 -313/344@RW - 13.35 @103
-87'LS 350 MAF/SD TPI- CRF 2004r-7.5" 3.42 -248/340@RW - 14.55 @ 96
-81'Grand LeMans Safari Wagon 3.8 2bbl/200C/2.73
-07'TBSS Stockish daily driver
[Linked Image]
#1065276 - 03/05/20 01:22 AM Re: Cam specs for ccc [Re: PB86SS/87LS]  
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88ssBrent Offline
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Thanks for the cam specs PB. BadSS ended up helping me with some questions I had on some components. He ended up specing out a cam for exactly what I was try ing to do at 274/278 advertised, 224/228 duration at .050, and 0.573/0.575 lift 112 lsa.

Last edited by 88ssBrent; 03/05/20 01:24 AM.
#1065278 - 03/05/20 02:46 AM Re: Cam specs for ccc [Re: 88ssBrent]  
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AkronAero Offline
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BadSS knows cams!


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