Well this is my first big block so bear with me. It's a 427 tall deck (#3969858) with (#343772) heads. My question is are these heads any good. If so what are the valve sizes and the combustion chamber volume. Any help would be appreciated..
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Well this is my first big block so bear with me. It's a 427 tall deck (#3969858) with (#343772) heads. My question is are these heads any good. If so what are the valve sizes and the combustion chamber volume. Any help would be appreciated..
It really depends on what you are going to do with the engine.Quote:
Originally Posted by 87AeroSS
I have never flow-tested that part number before.
I do know they used that head on the 366 truck engines and I would say they have the small intake ports.
If it is going in a pick-up and will see no more than 4,500 rpm's use the heads.
If you are trying to build a 550 hp engine for a car you better buy some better heads.
Thats what I thaught. I'm looking to do a 535 with it. My buddy has a set of aluminum heads with 320cc intake runners, 119cc combustion chambers, and 2.25 1.88 valves, that I could get in a trade deal. I believe they are Pro Top Line heads.
If this is a street driven car the 320 cc heads might be a little large.Quote:
Originally Posted by 87AeroSS
But if your 535 will see 7,500 rpm's often then they will work fine.
In a street car I would look at the AFR's 305 cc head or the Brodix BB-2's we have used both of these heads on 496-535 with really good sucess.
Of course you do know the 535 has a 10.20 deck height which means you need to run a MSD billet distributor with the slip collar,you will also need a longer oil pump drive and a tall deck intake manifold.
Also because the heads sit up higher sometimes exhaust becomes an issue.
Gotta agree with Eric, 320cc intake is a bit large unless it's mainly gonna be used at the track. Pro Topline, unless they've cleaned up their act, is at the bottom of my list for heads. They're always cheaper in price....why do you think that is?? Those heads will work, but you'll give up quite a bit on the bottom end.
I'll probably look into the afr heads. It will be more of a street car, besides I really don't think I want to get rid of my 406 small block for a set of heads. I do undersatnd the challenges that go with the tall deck but I think I can handle those.
theres no replacement for displacement aero
If you GET a GOOD deal on those heads get them!
you can run a oval port intake from brodix[HVH2007]KEEP YOUR BOTTOM END TORQUE AND HAVE PLENTY OF HEAD FOR THE TOP END & SAVE SOME CASH!
if you need more top end SQUEEZZZZZZ!
& RUN A 2" 4500-TO-4150 SPACER W/A WELL TUNED 1050+ DOMINATOR.
UMMM,there is only one problem.Quote:
Originally Posted by TT572ZZILLA
The heads he is thinking about are rec. ports, the intake you listed is an intake for an oval port head.
Do you think he might have a little "port alignment problem????:rolleyes:
you can look at e-bay 230076396515 they would work ok for low mild rpm
Well its posible!:HMMM: but I doubt it Eric, :cool: I ran a set up like that before w/a set of Dart-308's and a Dart oval port intake on a 496"BBC w/a 1050 dominator
& that 2" spacer! I bet i would give that blown540/57 a run for your money w/alittle space;)
I am just a little curious to what intake gasket you would use to make that work.Quote:
Originally Posted by TT572ZZILLA
Would that be a 1210 or a 1211 Fel Pro?
there was a time that dart told people to use the O port intake on the rect head with a heavy car .and you would use a rec gasket f1211. i have used rec port intakes on O ports it work how good? lets say it work i think it would be fine it would not hit the wall the head i do not think any one would wast the time to dyno but did hear that the old 396 stock cars did use the rect port for the O ports gm stock alum intake
WELL BIG E;)
I THINK I WOULD USE A 1211. BUT ITS BEEN A WHILE SINCE I PUT A COMBO LIKE THAT TOGETHER SINCE MOSTLY IVE JUST BEEN REDOING MY BIGCHIEF's WHEN NEEDED, IM NOT A BIG ENGINE BUILDER GUY LIKE YOU AND PAT,I JUST
DO WHAT I DO DOWN HERE IN THE BIG CEREAL BOWL FOR ME AND MY CUSTOMERS.:D
ERIC!
WHY WOULD A JEDI MASTER SUCH AS YOURSELF ASK ME WHAT TYPE OF GASKET TO USE:confused:
YOU WOULD'NT BE CHECKING ME OUT TO SEE IF I KNOW WHAT IM TALKING ABOUT WOULD YOU:eek:
You just proved my point.Quote:
Originally Posted by TT572ZZILLA
Hey 87aeross
Hows The Big Inch 535 Coming Along?:confused: Let Us Know What You Decided To Do,Im Excited To Find Out What You Did.**) What Car Is It Going In? Are You Putting A Roller Cam In It?:whacked: Are You Gonna Port The Heads/intake?**)
Tt572zzilla Do You Know Lamo?
I saw those heads and was wondering if that was you Pat. Do you still have the 871 or 049 heads you were talking about selling me?
my email is adamborz@aol.com if you want to send an email.
Quote:
Originally Posted by pat mccarthy
No, but I know Tony Mamo at AFR.:LOL:Quote:
Originally Posted by pat mccarthy
Sorry about that Pat.**)
erik do you remember laimo lamo ? mrbbf 460 or did you hit your alum head:3dSMILE:Quote:
Originally Posted by erik erikson
No,I am sorry I don't have a clue what you are talking about??:)Quote:
Originally Posted by pat mccarthy
no i do not know them people. the people i know ?are the ones that help me and that i have help .i was just asking not trying to wind you up a .who i know ??i would not post there names on here any ways:3dSMILE:
that would be the guy that could get 450+ cfms out of a ford head and you all most got me kick off here :3dSMILE:Quote:
Originally Posted by erik erikson
Hey zilla the build of the 535 is gonna take a little bit but I will let you know when it's done. Last nite I was tossing around the idea of putting a turbo on it. As far as what it's going in I'm a little undecided, I have a 79 2wd blazer I was thinking about putting it in, but a buddy of mine has a 78 malibu that I can get for $100. So who knows...
87aeross
Did You Get The Heads? What Parts Do You Have?can You Us A Build Sheet? Are You Close To To A Company Called Squires Turbo Systems.they Would Be Very Helpful W/your Turbo Set Up! That Monte Would Be Awsom To Put That Rat In W/a Couple Of Gt67/72 Hybrid Turbo's, Im Talkin-bout Ur Terminator Grand National:D
I havent got the heads yet. I just have the complete tall deck 427 at the moment. I dont think the monte would last long with the rat (It's a T-Top). I have talked to squires on a few occasions, we discused putting the rear turbo on my 406 for the monte.
If it's a 427 tall deck block, you've already got the foundation for a 572. Why not just kick it up a notch? Go big or go home! :)
87aeross
We Got A Guy Out Here Who Specializes In Buick Grand Nationals Whos Got A Low 8sec, Grand National W/tt V-6. He's Caged &tubed W/t-tops. Drives It All Around,
I Think If You Wanted To You Could Do It. 5lb's On Each Turbo W/pump Gas, 800-1000hp Easy With Out Even Really Leaning On It.
Pat& Eric Are Doing It All Day Long W/there Blown Rats.
you would have alot to do to get that much out of a stock block if he wants to go this big i have two bow-tie blocks that i would be happy to sell him one or both if he wants .Quote:
Originally Posted by 69elko
heyTT572ZZILLA i did a twin turbo 540 and did work on twin turbo v6 . and no i do not work on them every day . i have to go to work and work on them junk big blocks:LOL: it is cold hear and my heat is on so bye:3dSMILE:
A 4.50 bore on a 427 tall deck block???:eek:Quote:
Originally Posted by 69elko
Hey Pat?
If Some One Were To Be Interested, What Would You Want For One Of Those Bowtie Blocks And Are They 9.8,or 10.2? Mk/4 Or Gen-5
bow tie mk4 tall deck 10.200 valley lugs steel caps and cap #5 is for wet sump Oring water holes plug and drilled out on deck. under 4.900 bore so it can go to any siz past that or could be used at the bore it as .if you want it PM me i will give you the price or watch them sell on e-bay in two weeks:D and bid if you wantQuote:
Originally Posted by TT572ZZILLA
Hey Pat !
Check Your E/m
i got snotting__ PM ME