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Old 10-08-2003, 00:41   #1 (permalink)
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For those who want to run alloy heads

You need:

a) 4.5" outer head bolts
b) 4V manifold for CHI's
c) Custom extractors or ones that hang low (tri y's would fit). 3" collectors foul the body of the car making it impossible to bolt them upto the head.
d) it's recommended to run o-ring head gaskets
e) 91-93 Saab spark plugs (you cant run your prior plugs, they sit too shallow).

I am sure theres more but I'll update as I go.

Don't bother trying to put a 2V manifold on because it don't work.
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Old 10-08-2003, 00:45   #2 (permalink)
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Re: For those who want to run alloy heads

also u need the rear wheels on the car not on the back seat:)
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Old 10-08-2003, 03:01   #3 (permalink)
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Re: For those who want to run alloy heads

So does this mean your Weiland manifold is up for sale?
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Old 10-08-2003, 04:53   #4 (permalink)
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Re: For those who want to run alloy heads

Quote:
Originally Posted by clevo
So does this mean your Weiland manifold is up for sale?
If I could find replacement parts @ the right $? Yes, my extractors and manifold would be forsale.

At this point in time. I'll stop stressing and try and think of ways to make it happen. May have to modify a few things. Spoke to my dad this evening about it. He had quite a few good sugestions that may get me out of the crap.

Brenden
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Old 10-08-2003, 22:03   #5 (permalink)
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Update

Looking good. Die ground away some of the manifold.

<img src="http://home.iprimus.com.au/bwill/100_1854.jpg">

Modifactions required to stop the dizzy fouling.

<img src="http://home.iprimus.com.au/bwill/100_1856.jpg">

Okay no more fouling lets bolt the manifold down. 20nm torque and bang. When verified by eye I roughly get a get a lean of 10deg forward on the drivers side head and a 10deg lead backward on the passenger side head. Another manifold would have more than likely done the same due to they way they are heads are casted. The fix is to drill the manifold holes larger. It's a bit too late for me though. Bolt didn't even hit 20nm torque.

<img src="http://home.iprimus.com.au/bwill/100_1859.jpg">

I hate shitty days when nothing goes right.

Brenden
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Last edited by brenx; 10-08-2003 at 22:18.
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Old 10-09-2003, 16:36   #6 (permalink)
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Re: For those who want to run alloy heads

its days like that one when you have to go out and buy a lotto ticket, your luck would have to change soon right.
oh and add to that lotto ticket a large box of bundy cans, just in case things get worse.
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Old 10-11-2003, 05:32   #7 (permalink)
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Re: For those who want to run alloy heads

I had one of them yesterday Friday.On first name terms to a stud fixer..E.D xr six undoing flex plate bolts one broke!! A Mazda MX6 two broken rocker cover studs..Last one was on a Nissan Turbo broke exhaust stud on turbo housing all in one day!!!
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Old 10-12-2003, 02:39   #8 (permalink)
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Re: For those who want to run alloy heads

A company called "The thread doctor" will be solving my problem

Brenden
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Old 10-23-2003, 05:39   #9 (permalink)
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Re: For those who want to run alloy heads

The parker racing 4V Funnelweb manifold is advertised to fit the CHI alloy heads. But I suppose a little bit of die grinding is cheaper than $700!
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Old 10-23-2003, 06:03   #10 (permalink)
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Re: For those who want to run alloy heads

Quote:
Originally Posted by Fat F100
The parker racing 4V Funnelweb manifold is advertised to fit the CHI alloy heads. But I suppose a little bit of die grinding is cheaper than $700!
Problem is the funnelweb 4V is rated too high up the rpm for my application. Nothing over 7000-7500rpm for me. Where a Wieand Xcellerator single plan suits perfectly.

A TFC does suit also just but I'd have to up size the camshaft.

Brenden
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