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xf extractor's to fit eb? 

 

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 Post subject: xf extractor's to fit eb?
Posted: Wed Jul 09, 2008 1:45 pm 
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i need a bit of help obtaining the measurment's for the bolt holes on a eb s2 head for the exhuast manifold.
im putting xf extractor's that i have onto my eb ive been told that the exhaust port's match up just not the bolt holes i need to redrill the holes in the extractor face plate any help is apprecciated
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Posted: Wed Jul 09, 2008 1:57 pm 
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Have you thought about just buying an Exhaust manifold Gasket - Will be much easier to put against the existing extractors...
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Posted: Wed Jul 09, 2008 2:18 pm 
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thank's mate shouldve thought of that :cry:
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Posted: Wed Jul 09, 2008 3:49 pm 
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wont fit, x series iirc is a crossflow design and has different exhaust outlet locations

 

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Posted: Wed Jul 09, 2008 5:23 pm 
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cooki_monsta wrote:
wont fit, x series iirc is a crossflow design and has different exhaust outlet locations


Yeh, heads are very different, I dont think XF extractors will fit... 2nd hand Eseries are pretty cheap, and fairly common, maybe you could sell the XF ones off and buy some 2nd hand EA-AU ones.

 

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Posted: Wed Jul 09, 2008 8:56 pm 
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ive seen a few sets of extractors at the wreckers that have crossflow 4.1 and i6 4l drilled head flanges on them.
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Posted: Wed Jul 09, 2008 9:22 pm 
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They arent Crossflow 4.1 and 4.0, They are Crossflow Steel head and Crossflow Alloy Head drilled.

The change to alloy head happened in 1980 or so, and the extractors were multi fit for the steel and alloy heads.

Nigel
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Posted: Wed Jul 09, 2008 9:26 pm 
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the gasket will show you if it will work

 

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Posted: Fri Jul 11, 2008 3:35 pm 
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ive seen xf /au extractor's for sale on ebay they are the same y desighn as mine just two lot's of holes fore fitment the cat has too be moved back on e series. thats why im thinking that mine will fit
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Posted: Fri Jul 11, 2008 6:57 pm 
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They look the same because both motors are very similar. Also because they are y design has nothing to do with what theyll fit. V6 commo extractors are 'y design', will they work ??

From what I understand, what Nigel said is correct.

 

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Posted: Fri Jul 11, 2008 10:50 pm 
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Today i compared the XF extractors i have with an EBII exhaust manifold gasket. I found that the bolt pattern for three of the ports (either the front or rear three) are reversed, i.e. rotated 90 degrees. Also, those that are not rotated, have the bolt holes in different locations, about 10mm offset. I think the ports themselves matched up, but i would have to check again to be 100%.

I can't see how you could use them without at least adding material. I can't see it as being worth it unless you're a good welder and have spare time and not much money.

 

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Posted: Mon Jul 14, 2008 12:39 pm 
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I went back and checked the extractors against an EBII head. All the ports line up, 3 of the bolts line up, 3 of the bolts are about 10mm out and could be redrilled, and the other 6 there is no material there at all. So my advice remains as per my previous post.

 

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Posted: Mon Jul 14, 2008 12:47 pm 
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Yeah, waste of time trying to convert 3.3/4.1 OHV extractors to suit a 3.2/3.9/4.0 OHC setup. Sell the crossflow extractors and get a set of extractors to suit the OHC, there are lots of people still looking for extractors to suit the crossflows!

 

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Posted: Fri Aug 22, 2008 1:44 pm 
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local engineer said he can add metal for me and all for $100 so $30 for extractor's and $100 to mod them = $130 cant find any secondhand eseries for that much 8-)
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Posted: Thu Sep 11, 2008 10:00 pm 
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Living in Orbost i'm not surprised you decided to get the xf extractors modded. It's not like you have heaps of extractors available to you.

Now i have a mig i might even mod my own xf extractors in the same way, not sure though at this stage. Any pics of what the engineer did would be good, but it's pretty obvious what would need to be done. Did he cut off the old bolt 'tabs' and re-use them?

 

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