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 Inlet manifold - Thread Size?
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MicKPM
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Joined: 28 Jan 2005
Posts: 360

Posted: Mon Mar 13, 2006 6:20 am

OK so i'm having a minor issue with the Jenvey manifold in that there's not enough room to actually fit the bottom for nuts as it interferes with the bottom of the manifold. Now one way I see around this is to remove the studs and stick in x4 M8x20 Cap heads but i'd sooner not so does anyone know if the stud is an M6 or an M8 thread?

I'm guessing it's an M8 and Renault have managed to source a 10mm nut for this but as they have washers afixed I can't get them in.

Any suggestions welcome.

Mick
JB
Mr Quoter-vator

Joined: 16 Feb 2004
Posts: 7405

Posted: Mon Mar 13, 2006 7:39 am

i have a niggle thats its m7, gay size i know but there are other on there that are m7. ill check when i get home.

just buy plain nuts.
Chris H
Forum Moderator

Joined: 02 Mar 2004
Posts: 19978

Posted: Mon Mar 13, 2006 7:51 am

the 13mm's all over the car are the same thread.
JB
Mr Quoter-vator

Joined: 16 Feb 2004
Posts: 7405

Posted: Mon Mar 13, 2006 9:54 am

Its M8.

I'm sure the bolts for the Idler are M7...somethings M7
MicKPM
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Joined: 28 Jan 2005
Posts: 360

Posted: Mon Mar 13, 2006 12:07 pm

Arse... trouble is I can't use a 13mm nut as there's no room to turn it and the standard Renault 10mm jobbies won't fit on either. Might see if there is a Nylock out there that'll fit but failing that it looks like Cap heads or K-Bolts :S
JB
Mr Quoter-vator

Joined: 16 Feb 2004
Posts: 7405

Posted: Tue Mar 14, 2006 1:37 am

yeah just use bolts.
MicKPM
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Joined: 28 Jan 2005
Posts: 360

Posted: Tue Mar 14, 2006 5:48 am

I'm just a little worried about removing the studs from the head as it's much easier to thread Aluminium than it is steel!

Mental note to self - Studs are reverse threaded
JB
Mr Quoter-vator

Joined: 16 Feb 2004
Posts: 7405

Posted: Tue Mar 14, 2006 6:43 am

the studs aren't reversed threaded, although i'll double check, but im 99% sure their not.

the studs go fine into the ally, so why wouldn't your bolts. just don't overtighten them, but i'm sure you don't need me to tell you that.
Chris H
Forum Moderator

Joined: 02 Mar 2004
Posts: 19978

Posted: Tue Mar 14, 2006 12:48 pm

lol they are not reverse threaded.
Chet T16
Retroholic

Joined: 12 Feb 2004
Posts: 5685

Posted: Tue Mar 14, 2006 5:19 pm

The exhaust manifold on the old t16 was held on with a mixture of studs, bolts and washers varying in size for 10 to 13mm
Chris H
Forum Moderator

Joined: 02 Mar 2004
Posts: 19978

Posted: Wed Mar 15, 2006 2:05 am

like most of them now, they usually fit 13mm nuts cos they are easier to get a hood of and easier to get off as well!
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