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Author Pics of my home made mantzle style inlet
graham16v
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Registered: 21st Jun 06
Location: Near Heathrow Airport, Middlesex
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27th Mar 07 at 18:18   View User's Profile U2U Member Reply With Quote
Here's some pics of my inlet i've been making.


TB mount and back plate.


Inlet body.


Inlet holes.


TB mount all welded on.


Back plate welded and smoothed, also threaded holes for vacuum take off points.

Still needs machining to make sure the inlet body mounting surface is flat.

What do u think?
Marc
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Registered: 11th Aug 02
Location: York
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27th Mar 07 at 18:20   View User's Profile U2U Member Reply With Quote
How thick is that box section?
Robin
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Registered: 7th Jan 04
Location: Northants Drives: Clio 182 Cup
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27th Mar 07 at 18:22   View Garage View User's Profile U2U Member Reply With Quote
Looks like 5mm Marc.

Graham, I hope your welds are strong, some of the ebay ones have fallen apart at the seams

Looks better than they do though
Marc
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Registered: 11th Aug 02
Location: York
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27th Mar 07 at 18:23   View User's Profile U2U Member Reply With Quote
Thats what I was thinking, bit ott for what it is?
graham16v
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Registered: 21st Jun 06
Location: Near Heathrow Airport, Middlesex
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27th Mar 07 at 18:33   View User's Profile U2U Member Reply With Quote
Yeah its 5mm thick 75mmX75mm box section mild steel, all tig welded together.
Its what was lying around in work, lol.

I'll have it cad plated to stop corrosion then then the outside painted the colour of my car.
davcohen
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Registered: 1st Nov 03
Location: North London
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27th Mar 07 at 18:34   View User's Profile U2U Member Reply With Quote
i could get very high quality ones made up if someone could get me the exact dimensions
graham16v
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Registered: 21st Jun 06
Location: Near Heathrow Airport, Middlesex
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27th Mar 07 at 18:37   View User's Profile U2U Member Reply With Quote
i made mine from gaskets and an old tb.

I've still gotta make my throttle cable holder and roller to change the angle of the cable.
jr
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Registered: 20th May 02
Location: Kent
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27th Mar 07 at 19:18   View User's Profile U2U Member Reply With Quote
looks very very simialr to an LMS inlet
graham16v
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Registered: 21st Jun 06
Location: Near Heathrow Airport, Middlesex
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1st Apr 07 at 10:53   View User's Profile U2U Member Reply With Quote
More pics of inlet.



Had the throttle cable holder and a bracket for a roller welded on.
The roller will keep the cable in line with the cam on the tb.
Scotty C
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Registered: 6th Nov 05
Location: Kidderminster Drives: 1.6 16v Sport
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1st Apr 07 at 11:01   View User's Profile U2U Member Reply With Quote
Thats looking good!

Make sure you RR it before and after fitting!

Are you going to sell them on if you see good gains?
graham16v
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Registered: 21st Jun 06
Location: Near Heathrow Airport, Middlesex
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1st Apr 07 at 11:13   View User's Profile U2U Member Reply With Quote
I'm not making it to sell, just didn't want to pay out for one when i could make one, lol.

So far all its cost me is a box of sweets to keep the welder happy. lol
Dean_W
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Registered: 13th Dec 05
Location: Downham Market, Norfolk
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1st Apr 07 at 14:16   View User's Profile U2U Member Reply With Quote
Looks 10 times better than the e-bay ones.
Scotty C
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Registered: 6th Nov 05
Location: Kidderminster Drives: 1.6 16v Sport
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1st Apr 07 at 14:16   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by Dean_W
Looks 10 times better than the e-bay ones.


Dean_W
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Location: Downham Market, Norfolk
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1st Apr 07 at 14:18   View User's Profile U2U Member Reply With Quote


It does......
Scotty C
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Registered: 6th Nov 05
Location: Kidderminster Drives: 1.6 16v Sport
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1st Apr 07 at 14:19   View User's Profile U2U Member Reply With Quote
I disagree. I think mine looks good & well made!
Dean_W
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Registered: 13th Dec 05
Location: Downham Market, Norfolk
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1st Apr 07 at 14:20   View User's Profile U2U Member Reply With Quote








Scotty C
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Registered: 6th Nov 05
Location: Kidderminster Drives: 1.6 16v Sport
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1st Apr 07 at 14:23   View User's Profile U2U Member Reply With Quote
You, dean and your Mantzel can GTF






Dean_W
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Location: Downham Market, Norfolk
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1st Apr 07 at 14:27   View User's Profile U2U Member Reply With Quote


At least mine won't fall to bits
Mike GSi
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Registered: 3rd Jan 07
Location: Ipswich, Suffolk Drives:Astra VXR
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1st Apr 07 at 14:31   View User's Profile U2U Member Reply With Quote
does this just bolt on to the old inlet manifold?
Dean_W
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Registered: 13th Dec 05
Location: Downham Market, Norfolk
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1st Apr 07 at 14:34   View User's Profile U2U Member Reply With Quote
Sort of.



[Edited on 01-04-2007 by Dean_W]
Scotty C
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Registered: 6th Nov 05
Location: Kidderminster Drives: 1.6 16v Sport
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1st Apr 07 at 14:34   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by Dean_W


At least mine won't fall to bits


It's been a good 6 months now, and it's still going strong

quote:
Originally posted by mikegsic16xe
does this just bolt on to the old inlet manifold?


You remove the old upper inlet manifold and this fits onto the lower inlet manifold
Mike GSi
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Registered: 3rd Jan 07
Location: Ipswich, Suffolk Drives:Astra VXR
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1st Apr 07 at 14:35   View User's Profile U2U Member Reply With Quote
oops

so would i replace the shite black plastic bit and relocate the throtle body and obviously the cable?
Dean_W
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Registered: 13th Dec 05
Location: Downham Market, Norfolk
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1st Apr 07 at 14:36   View User's Profile U2U Member Reply With Quote
Yes, but if its a C16 you also need to change the lower inlet to an X16 one.
Mike GSi
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Registered: 3rd Jan 07
Location: Ipswich, Suffolk Drives:Astra VXR
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1st Apr 07 at 14:37   View User's Profile U2U Member Reply With Quote
its that easy :O well fook me ill get one made up for mine then! my dad is a welder so it should b a walk in the park for him!
Mike GSi
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Registered: 3rd Jan 07
Location: Ipswich, Suffolk Drives:Astra VXR
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1st Apr 07 at 14:38   View User's Profile U2U Member Reply With Quote
theres an astra in my local scrappy would i b able to use that one? its a mk3 and its the 1.6 16v ecotec?

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