Headr for 4ac fs question.

well im doing the caculations and saving up money for a set

Im looking to get one locally. as soon as I obtain one Ill start working on a prototype.
I already had the flange burnt out of 3/8th mild steel. I also purchased a collector as well. as soon as I have a prototype I will break it apart and send in the primary tubes to a mandrel bender and see what its going to take to make like 10 sets.

jake4ac wrote:

well im doing the caculations and saving up money for a set

Wait what?

lol someone has to have one jeez

I know i am in the market for one and like the way you did yours. It will really open up the power after I get the cam and finish off the 7ac i am building. I already have a ported head. So pretty much just need the headers to finish off my full exhaust system.

Where are you located Ace? If i send you my clean head and manifold, do i get a free header? How about some incentive.

lol I dont know about a free header, but I can do some free portwork on it....

what kind of porting are we talking? Can you do over size valves too? It's too cold to drive my 86 right now anyways. I can have the head off and in a box in a couple hours.

only a machine shop can oversize valves. I can port match to your intake manifold (Helps ALOT). Also there is a huge LIP where they press in the valve seat into the head. This lip is a huge RAMP the incoming air has to get over to get into the engine. The 4ac is particularly bad in this area. Also there is a huge LUMP in the center of your intake port called a "swirl" generator. What it really is, is a huge barrier the air has to get around to get into the head.

Ok that sounds good. I'll pull the valves out too to make it easier. Can you port match the header too? I gotta rebuild a Land Rover tomorrow but i'll get it off tuesday. PM me your address so i can ship it all.

o.o can i get in on this free porting? or get a damn good price... or how about a how to guide haha

i need a header! and i have money! lol
do u have any pics. the one u posted up doesnt seem to be loading.

Come one there's so many ppl that need this header, ill pay 600 or even 700 as long as the header last, getting a header is the only thing stopping me from swapping to a 4ag or even another eengine....

Come one there's so many ppl that need this header, ill pay 600 or even 700 as long as the header last, getting a header is the only thing stopping me from swapping to a 4ag or even another eengine....

For $700 a fab shop would make you one.

Shit for 600 Ill sell you the one off my car right now. Shipped.

Just figured I'd go ahead and post that there is a 4A-C Header and downpipe on eBay for $175 (+$45 S&H).

Compared to what some people have been willing to shell out, that's a pretty slamming deal. And considered there haven't been any bids, I just assumed you all hadn't had a chance to see it yet.

Im going to bid on those. If I can obtain this header, I can copy it over.... and over... and over.... and over......

Ace123 wrote:

Im going to bid on those. If I can obtain this header, I can copy it over.... and over... and over.... and over......

In my heart, I was hoping you would say that. Good luck, Ace. I hope you win.

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Compared to what some people have been willing to shell out

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Come one there's so many ppl that need this header, ill pay 600 or even 700

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i need a header! and i have money! lol

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a header is the only thing stopping me

Thanks for the heads up slowtech, you had good intentions but maybe you should have pmed Ace123.

Now I'm afraid you might have started a bidding war

Royal wrote:

Thanks for the heads up [Slowtec], you had good intentions but maybe you should have pmed Ace123.

Now I'm afraid you might have started a bidding war

I'm non-partisan. Personally, I think Ace's set that he made look more beefy/effective than these. I don't think you should be worried about Ace, really, he already has headers, he was just trying to be nice to everyone else. I think you should be worried about N3r0.dv@gmail.com considering he said he'd pay 600-700 for a set. Maybe I should PM him. just saying...

hey, wheres everybody at????? oh, there on ebay, watching the time tick away on that god damn header

No more header on ebay, or at least i'm too dumb to find it. Anyways, do you still need my head and manifold to copy? I never heard from you for an address so it's still on the car.

EricsFreeAE86 wrote:

No more header on ebay, or at least i'm too dumb to find it.

You are not sir. It has disappeared from my RSS feed meaning he sold it outside of eBay or he decided to keep it.

Yeah its gone. I think what im going to do is take the header off my car and put it down for a week or so and map out a new header that is just as beefy as the one I have but more practical for the everyday user.

I have a flange burnt out so I will pull up the AE to the garage in the next couple of days and see what I can put together.

Edit: I guess I need somewhat of a vote. If I map out this header, do I need to make it fit a stock intake manifold, or are most of the people interested in these wanting a header for a custom intake?