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Old 04-08-2010, 06:44 PM   #1
4digitHP
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Default brodix heads

anyone ever have any dealing with an older style 23* brodix -10w heads? spread port exhaust. i was just curious to the different styles of the head, and any flow numbers from them etc.. i have a set at the machine shop right now but it will be a couple weeks before i get any info on them and was just curious what i could expect. these have been ported by ron's porting. thanks for any info at all..
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Old 04-08-2010, 07:30 PM   #2
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Default Re: brodix heads

I have a friend with the Brodix 10X heads, raised intake runner, spreadport exhaust, push rod pinch area moved, they make some good power for a 23degree head. I also know they are not 23 degree anymore, not sure how far they were rolled though.
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Old 04-08-2010, 07:34 PM   #3
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Default Re: brodix heads

i called brodix and they told me these were cast in 1985. lol some antiques. the port work on them looks pretty dang good IMO so anxious to see what they flow and what exactly they are..
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Old 04-09-2010, 09:46 PM   #4
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Default Re: brodix heads

not to rain on the parade but by todays standards,you might be slightly dissapointed.
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Old 04-10-2010, 07:00 AM   #5
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Default Re: brodix heads

They aren't a bad head. Weldtech should be able to tell you something about them.
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Old 04-11-2010, 08:59 AM   #6
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Default Re: brodix heads

Quote:
Originally Posted by christiandseller View Post
not to rain on the parade but by todays standards,you might be slightly dissapointed.
i understand that totally.. the heads made pretty good power on my 355, i am just stepping it up some and was hoping they wouldn't kill the combo totally since i already have all the parts for the setup.. i am hoping since they have been really worked by rons that the flow numbers are around 300. hard to say, i will know for sure when they get done at the shop..

if they are pretty bad i will step it up to another head..
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Old 04-11-2010, 10:09 AM   #7
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Default Re: brodix heads

I had a set I bought at a swap meet they were from 1983 I think Brodix told me they were 210cc before port work. I had them flowed I dont have the exact #s but something like:
.500 --280
.600 --290
.700 --308
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Old 04-11-2010, 01:26 PM   #8
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Default Re: brodix heads

keep us posted on the results.i myself had a set of sbc pontiac heads that were old nascar heads that i nicknamed skelators.those things were hogged out so much that they were almost transparent but made good power for what they were.flow #s were discouraging but et and mph told the real story.good luck with your build.
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Old 04-11-2010, 01:30 PM   #9
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Default Re: brodix heads

What are they going on? A casting is just a casting. Regardless of what they flow, are they the correct head for the application. If a head is going to be ported, it shouldn't matter what year they were made as you are not relying on manufacturer's ports. How much power it will make will strongly depend on the port work, regardless of how it looks, pretty and polished don't mean better, and if it is enough cylinder head for the application.
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Old 04-11-2010, 05:34 PM   #10
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Default Re: brodix heads

i had the heads on a mild 355 with around 12.5 to 1 compression, th350, 4.11 gears and a big nitrous cam and converter. went 7.51 at 93 on motor (only made one motor pass lol) then went 6.61 @ 109 with 175 shot... then 6.11 at 118 on a 275 shot. all at 3180lbs with 28x10s. i was pretty happy with it knowing what the engine was. extreme budget. now going to use the heads, intake, cam and converter on a 414ci engine.. the cam and converter will definitely be better suited for the new engine, i am just hoping the heads will be as well. the class i am going to run in is running 5.60-5.80s so i am really hoping to pick up to that for sure. can only have one kit on engine, 3200lbs, and 23* heads on sbc's.. i think it is doable with the new engine..
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Old 04-11-2010, 05:36 PM   #11
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Default Re: brodix heads

Quote:
Originally Posted by nonracer View Post
I had a set I bought at a swap meet they were from 1983 I think Brodix told me they were 210cc before port work. I had them flowed I dont have the exact #s but something like:
.500 --280
.600 --290
.700 --308
i would be pretty satisfied with those numbers for sure knowing what i have in the heads and intake.. all matching from ron's porting..
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Old 04-12-2010, 10:52 PM   #12
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Default Re: brodix heads

I am sure you can reach your goal IF the parts you are reusing are enough for the bigger 414. You are only talking .3-.5 tenths so even if they are not enough, cubic inch may do it. Or just a bigger hit on what you had could have. Good luck.
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Old 04-13-2010, 06:41 PM   #13
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Default Re: brodix heads

thanks man!... cam and converter and headers came off a 400+ ci modified street car. so i know they will be enough. heads are the concern. but like you said hopefully they won't be too bad..
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Old 05-01-2010, 02:21 PM   #14
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Default Re: brodix heads

got heads flowed. 290 at .750 lift intake, 210 exhaust... since i have everything to run these heads i am going to just stick them on the engine for now and try it... but i see a new set of heads in my near future
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Old 05-02-2010, 02:56 AM   #15
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Default Re: brodix heads

What are the actual measurements though. I wouldn't be too concerned with the number as it won't tell you anything. What are valve sizes, what percentage of the valves is the throat, short turn csa, pinch mcsa, runner height, etc etc..I wouldn't be too quick to spend money on other castings as if these heads are not up to par in the dimensions, I am sure they can be improved upon and will be cheaper than buying new castings. I would definitley run them if that is what you can afford to do now, and get some baselines and seat time. Then make changes later.
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