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Author: Subject: What thickness should the inlet manifold plate be & recommendations for a firm to cut it
paul the 6th

posted on 25/6/09 at 12:44 PM Reply With Quote
What thickness should the inlet manifold plate be & recommendations for a firm to cut it

Edited for future users asking the same question:
5mm plate is best, 3mm will probably distort when welded.

Contact: 3GE Components on here
http://www.3gecomponents.com


Original post:

eyup,

got my gsxr750 carbs for a 1.8 cvh, and I've also got a dwg/dxf file for an inlet manifold plate to be cut, so I just wanted to check what thickness should be used. I thought 3mm would be about right or should I go for 5mm to ensure there's no chance of warping?

Also, could anyone recommend a firm who could do it for me (ideally somewhere in north or west yorkshire where I could email the file and then collect). A guy at newark show said he'd charge about £30 + postage for it doing... Is this a decent price?

[Edited on 25/6/09 by paul the 6th]





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BenB

posted on 25/6/09 at 12:48 PM Reply With Quote
Sounds pretty good to me!

I've used http://www.laser-eng.com/ in the past and they're up that neck of the woods. I just e-mailed them the drawing each time and they sent me the bits.

IIRC they have a minimum job price of 35 quid but you might get two for that

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paul the 6th

posted on 25/6/09 at 12:58 PM Reply With Quote
cheers mate, just emailing them now. Reckon 3mm would be adequate enough?





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flak monkey

posted on 25/6/09 at 01:05 PM Reply With Quote
I would do it out of 5mm, to minimise distortion.

Have a word with 3GE components on here, they may already have a template too. Their prices are excellent too.

David





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MikeRJ

posted on 25/6/09 at 01:06 PM Reply With Quote
3mm is too thin IMO, welding the flange will warp it.
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paul the 6th

posted on 25/6/09 at 01:08 PM Reply With Quote
cheers guys, I did wonder will give 3ge a shout





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RichardK

posted on 25/6/09 at 01:36 PM Reply With Quote
Make it yourself, I have a bit of 5mm you can have, use a gasket as a template, daisy chain drill the holes and file round job done.

Cheers

R





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blakep82

posted on 25/6/09 at 01:43 PM Reply With Quote
5-6mm is the way to go





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mad4x4

posted on 25/6/09 at 01:51 PM Reply With Quote
Would need to be 5mm + to stop it warping and so you can get a good weld onto it.

Possibly you could cut that with a Jigsaw and a lof of paitence I managed 8mm Ali with a jigsaw and a large can of oil.





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Stuart_B

posted on 25/6/09 at 02:06 PM Reply With Quote
yes, i used 5mm steel plate, a cut it from a old gasket, i drilled the hole buy hole saw, and laod of cutting oil, it took some time but it got there.lol

stuart





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big_wasa

posted on 25/6/09 at 02:14 PM Reply With Quote
Shorttrack does his in 6mm.
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tul214

posted on 25/6/09 at 06:06 PM Reply With Quote
Another vote for shorttrack here.

Excellent work and a fair price.





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RoadkillUK

posted on 25/6/09 at 08:50 PM Reply With Quote
5mm Steel, use a gasket to get the position of the inlet holes and the bolt holes, chain drill the inlet holes and file to size.

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paul the 6th

posted on 25/6/09 at 09:10 PM Reply With Quote
But £20 to get it done all nice & posh isn't on a par with a thousand pound engine management system :p





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paul the 6th

posted on 25/6/09 at 09:10 PM Reply With Quote
But £20 to get it done all nice & posh isn't on a par with a thousand pound engine management system :p





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short track 123

posted on 25/6/09 at 09:26 PM Reply With Quote
Hello Paul

I can laser cut 1 for you cost would be £18.50 +P&P in 6mm Mild Steel

If its any good to you U2U me and i can let you have my Email to send a DXF file to.

Look forward to hearing for you.

Jason





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Rob Allison

posted on 27/6/09 at 03:01 AM Reply With Quote
Hi Paul. Think these are near to you.
KJB Eng at West Tanfield Ripon.
kjb.eng@virgin.net
01677470511

I have contacted Joe Knowlson who works there.
They are good and don't mind doing one offs.
They do alloy 1mm to 3mm and most size mild and stainless.
8mm mild steel is best to resist warping, but you are still best off bolting it down to a thicker block or some angle bar when welding it up. I found the pinto turbo manifolds i did could still warp when bolted to an old head if they were not left to cool down fully.

Rob






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