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Different Prechambers PIC
by
dankcorey22
on 09 May, 2011 19:33
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Okay im getting everything on my head new tomorrow. Im using a head off a 1.6 NA my engine is 1.6 TD
Doing last checks tonight to make sure i have everything i need i found out the prechambers off my 1.6 TD head is bigger than my 1.6 NA head PC
Will this head still work ive already spent countless hours porting and polishing this head

I hope this thing will work for me
the pictures...
The one on the left is TD the one on the Right is NA

same Left TD Right NA

Head on left is TD on right is NA
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#1
by
theman53
on 09 May, 2011 19:52
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I don't think so. I thought the ones with the ding in them are TD??? At any rate one is 30mm across and the other is 32mm. Unless you have an inconel stretcher I would say it won't work as planned.
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#2
by
dankcorey22
on 09 May, 2011 20:46
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The ones with the ding in them are smaller i got that head off of a 1.6 NA in the junkyard. The Bigger is the head that came off my car. It was cracked
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#3
by
fatmobile
on 10 May, 2011 00:54
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Yep, I've only seen the little dent on TD engines.
Letter at the end of the head part number?
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#4
by
dankcorey22
on 10 May, 2011 08:42
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Yep, I've only seen the little dent on TD engines.
Letter at the end of the head part number?
I dont know what they mean. i wish their was more info on the internet about cyl. heads
TD: 068 103 373 E
NA: 068 103 373 M
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#5
by
R.O.R-2.0
on 10 May, 2011 09:49
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The ones with the ding in them are smaller i got that head off of a 1.6 NA in the junkyard. The Bigger is the head that came off my car. It was cracked
the 1.5D and 1.6TD share the same diameter cups. the n/a got the bigger cups..
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#6
by
dankcorey22
on 10 May, 2011 10:09
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maybe that car i bought with the TD engine had a NA head on it. Or maybe the Head i got from the junkyard was a TD head on a NA engine.
IDK... It blows my mind. I believe you all but its backwards from what im experiencing.
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#7
by
dankcorey22
on 10 May, 2011 21:24
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Anyone have any comments on it? I sent it to the machine shop today they said it really wouldnt make a difference maybe the CR just a little.
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#8
by
theman53
on 11 May, 2011 05:29
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It will make a big difference. The smaller cups will fall out of the head!!!! They are only 30mm the bigger ones are 32mm. See if Myke W still has some junk heads to sell the PC out of???
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#9
by
nathan_b
on 11 May, 2011 06:19
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they sell prechambers new still. thread was up top about 2 weeks ago.
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#10
by
theman53
on 11 May, 2011 06:51
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Sorry to thread jack, but nathan b I have sent you 2 pm's with no response. /jack
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#11
by
dankcorey22
on 11 May, 2011 07:28
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It will make a big difference. The smaller cups will fall out of the head!!!! They are only 30mm the bigger ones are 32mm. See if Myke W still has some junk heads to sell the PC out of???
How will i put bigger PC in the head i got? or will i have to get a new head in all.... Damnit
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#12
by
R.O.R-2.0
on 11 May, 2011 08:49
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It will make a big difference. The smaller cups will fall out of the head!!!! They are only 30mm the bigger ones are 32mm. See if Myke W still has some junk heads to sell the PC out of???
How will i put bigger PC in the head i got? or will i have to get a new head in all.... Damnit
only way is to make the PC bores bigger..
i dont see a 32mm PC fitting in a 30mm hole..
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#13
by
dankcorey22
on 11 May, 2011 16:14
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Soo just to be on the safe side ill probably just buy a reman head for the TD.
Great. All my hard work of porting and polishing the intake ports is gone out the window....
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#14
by
dankcorey22
on 11 May, 2011 17:28
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Alright just priced a rebuild head: $600

I dont have the funds now to buy a $600 rebuilt head so does ANYONE know if my head with the smaller Precups will work with my 1.6 TD?
I was only thinking i would spend around half of that with the machine shop.
Im in a desperate situation now lol I need more peoples input to judge what im going to end up doing