Opinions on this HR Comp cam & Head for my 400 sbc - Chevelle Tech
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post #1 of 15 (permalink) Old Dec 13th, 12, 9:40 AM Thread Starter
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Rob
 
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Opinions on this HR Comp cam & Head for my 400 sbc

I have an opportunity to buy a slightly used set of AFR 1054 210cc heads, Custom Harland Sharp 1.6 roller Rockers (offset for head geometry)& Custom Grind Comp cams Part# 12-000-9 CS 3316s/3317s cam HR110+4 for my 400 SBC. I think the price is fair "if" this combination will work with my car & goals.

I have a 65 SS, roughly 3500 lbs w/me in it, TH350 with 3.55 or 200r4 with 4.11, 3200 stall, 11.5 to 1 compression (I will probably need to cut pistons or swap with these heads as 65cc vs. 75cc) that I'm currently reassembling & will be setup with a full SC&C/AFX suspension. This car will see a lot of highway/cruising use, some autocross & road race, and maybe the drag strip a few times a year. It's essentially a toy for me to have fun with my kids on the weekend & race when I have an opportunity.

I have been communicating with CSTRAUB on a package for my motor (AFR 195's w/custom cam) but this package would save me a ton of cash & I need all the $ I can get to finish this by next spring.

Any thoughts or suggestions how the AFR 210's & custom cam would work with my setup? I know I might lose a little low end response with the 210's vs. the 195's but is it worth the gamble? Any thoughts on the power band for this combination on a 400 sbc?

I don't want to waste my money if this is the wrong combination for my vehicle even if it means spending more money to get the right combination the first time.

Here's the cam specs off the card, I can't attach the card to this post:

Intake Exhaust
Gross valve lift .520/.554 .540/.576 (1.5/1.6 Ratio)
Duration @
.006 Tappet Lift 287 293
Valve Timing Open Close
@ .050 Int: 12 BTDC 44 ABDC
Exh: 55 BBDC 7 ATDC

These specs are for cam installed @ 106.0 ICL

Intake Exhaust
Duration @ .050 236 242
Lobe Lift .347 .360
Lobe Separation 110.0

Thanks in advance for your feedback!

Rob

Rob

1965 Malibu SS


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post #2 of 15 (permalink) Old Dec 13th, 12, 10:12 AM
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Lynn
 
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Re: Opinions on this HR Comp cam & Head for my 400 sbc

IMO, you should save your money and work with Chris on getting the appropriate parts for you 400. First, and this is my own bias, I don't like using used parts; second, you would have to make modifications to utilize these parts, and that will add onto the cost of the good deal; third, the combination of heads and cam may not be "ideal" for your present combination. Saving on cost is important; making the correct choices are more important. My two cents worth . . .

-Lynn


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post #3 of 15 (permalink) Old Dec 13th, 12, 10:31 AM
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Re: Opinions on this HR Comp cam & Head for my 400 sbc

Doubt youll lose any low end. 15cc isnt much at all.
400s can breathe and use a lot of air.

Quote:
This post is a duplicate of a post that you have posted in the last five minutes.

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post #4 of 15 (permalink) Old Dec 13th, 12, 11:34 AM
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Tim
 
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Re: Opinions on this HR Comp cam & Head for my 400 sbc

My engine builder used Brodix RaceRite 200cc heads for my hydraulic roller 406. After porting I am sure they are a bit bigger, but they work very well on my combo especially with my car being 3800 pounds.

I had asked about using the AFR210s, but he said that his ported Brodix heads would run circles around them.

In other words.... listen to the experts who have proven themselves (CStraub) Cheaper might be nice, but you will always wonder how much faster/better it would run.

1968 Chevelle - 3795# with driver
6.0 LSX with TSP 224R cam swap
S475 Turbo

16psi on 89 octane
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post #5 of 15 (permalink) Old Dec 13th, 12, 1:50 PM
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Re: Opinions on this HR Comp cam & Head for my 400 sbc

I would run the 210s myself, like the bigger head on a 406. i ran 220s and 210s on mine. low 10s in a monza.
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post #6 of 15 (permalink) Old Dec 13th, 12, 3:52 PM
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Joe Sherman
 
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Re: Opinions on this HR Comp cam & Head for my 400 sbc

I have used that exact cam and head package MANY times, and it is a very good combination. I see over 540 HP with that setup on many 383 engines I build, and it will make even more power with a 406.. Save your money, and go for it


JOE SHERMAN RACING ENGINES
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post #7 of 15 (permalink) Old Dec 13th, 12, 7:25 PM Thread Starter
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Rob
 
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Re: Opinions on this HR Comp cam & Head for my 400 sbc

Thanks Joe, exactly what I'm looking for. What kind of street manners, power band & vacuum should I expect out of this combination?

Rob

1965 Malibu SS


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post #8 of 15 (permalink) Old Dec 13th, 12, 9:40 PM
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Chris
 
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Re: Opinions on this HR Comp cam & Head for my 400 sbc

My cam is a custom Cam Motion SR with the 4/7 swap. Duration @ .05is 269, lift is .644

I get about 9in vacuum at 1300 rpm.

Joe, which head are you referring to? 195's or 210's ? I have the old version AFR competition ported 1094's with 2.05 valves. It was I think supposed to flow in the 300cfm range.

73 nova,3515#(all steel)Pump gas!(91octane)406ci N/A, best 1/4,1.45 '60,[email protected],10.6 @ 122.38, short shifting,NO tuning!


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post #9 of 15 (permalink) Old Dec 13th, 12, 9:50 PM
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Joe Sherman
 
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Re: Opinions on this HR Comp cam & Head for my 400 sbc

I use both the 195 and the 210 AFR heads. There is very little difference in the power out put between the two sizes, usually, about 15 hp . I would use the 210 for a 406, and the 195 for most 383 buildups.


JOE SHERMAN RACING ENGINES
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post #10 of 15 (permalink) Old Dec 13th, 12, 9:53 PM Thread Starter
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Rob
 
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Re: Opinions on this HR Comp cam & Head for my 400 sbc

I just confirmed these are the pre-Eliminator 210's. I'm sure this will have an impact on performance, not sure how much.

Rob

1965 Malibu SS


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post #11 of 15 (permalink) Old Dec 13th, 12, 10:02 PM
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Chris
 
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Re: Opinions on this HR Comp cam & Head for my 400 sbc

Quote:
Originally Posted by rxn0001 View Post
I just confirmed these are the pre-Eliminator 210's. I'm sure this will have an impact on performance, not sure how much.
Mine are the pre versions also. Port work is amazing.

73 nova,3515#(all steel)Pump gas!(91octane)406ci N/A, best 1/4,1.45 '60,[email protected],10.6 @ 122.38, short shifting,NO tuning!


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post #12 of 15 (permalink) Old Dec 17th, 12, 10:09 PM
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mark
 
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Re: Opinions on this HR Comp cam & Head for my 400 sbc

I have verry old AFR210's on my 412sbc. Thay may not flow like the new heads, but work just fine for me. I realy want to get the Harland Sharp rockers to help the valve train alignment. If the heads already have this, I say use them.

On a side note, Chris will not do you wrong. He realy knows his s#&@!!!

1969 Chevelle
412 small block
M-20 4spd
4:11 12 bolt

1957 Thundarbird Gasser
Aluminum Shafiroff 582
Richmond 5spd
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post #13 of 15 (permalink) Old Dec 17th, 12, 10:22 PM Thread Starter
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Rob
 
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Re: Opinions on this HR Comp cam & Head for my 400 sbc

Thanks Mark, I didn't buy the heads mostly due to my delay in making an offer. I'm still keeping my eyes open for other potential deals. I'll see what Chris has to say in the near future.

Rob

1965 Malibu SS


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post #14 of 15 (permalink) Old Dec 17th, 12, 10:51 PM
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Tim
 
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Re: Opinions on this HR Comp cam & Head for my 400 sbc

These are 400 worthy..

http://www.maliburacing.com/forum/vi...?f=10&t=113168
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post #15 of 15 (permalink) Old Dec 18th, 12, 4:48 PM
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Louis
 
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Re: Opinions on this HR Comp cam & Head for my 400 sbc

I don't know Why you worry about the AFR210. Im using 76CC AFR227 on my 406 with 11:1 compression and it runs great. I can pull tree stumps off the ground. I see nothing wrong using AFR210.

Louis
69 Chevelle Malibu Sports Coupe Change to SS
11:1 TR406sbc/AFR227/Comp cam 280HFT/3500 RPM Stall conv./TH 350/12 bolt 410 Gears
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