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M35 Vq25det Runner Spacer

iamhe77

By iamhe77,
in Four Door Family & Wagoneers

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iamhe77
iamhe77

So an interesting idea that we saw on the TEPS M35 site before it went down was to install a spacer to slightly increase the length of the runners. The thought being that it may improve low-mid range

iamhe77
iamhe77

What do you mean "follow through with this"? I sold a number of kits with the phenolic spacer and I think Andy and Craig did as well. My old M35 is still alive and kicking on the Mornington Peninsul

iamhe77
iamhe77

Back then there was a tiny market for M35's and outside of some Japanese tuning houses (click my sig for one that is a good read) nobody touched M35 development except for what you find here or on the

JayM35 Collaborator

JayM35

Posted
Posted

PM me your VIN and I will see what yours is compatible with (VQ25det is the same as VQ23de only :/ ).

I am sure I could make one up for you if I had a gasket.

Have you put a plenum spacer to increase the volume of your plenum (should possibly be the same as VQ35de)?

Nah haven't tried a plenum spacer, where can I find those?

iamhe77 Grand Master

iamhe77

Posted
  • Author
Posted

Nah haven't tried a plenum spacer, where can I find those?

I am pretty sure that your plenum is the same as a V35/G35, but I'll check tonight just to make sure.

If it is the same, you can get one from the US (eBay is easy) OR my mate has an aluminium one he made for his V35. I will talk to him tonight and see if wants to let it go.

Commsman Veteran

Commsman

Posted
Posted

I am pretty sure that your plenum is the same as a V35/G35, but I'll check tonight just to make sure.

If it is the same, you can get one from the US (eBay is easy) OR my mate has an aluminium one he made for his V35. I will talk to him tonight and see if wants to let it go.

Isn't it better to have one that doesn't trransfer too much heat to your intake plenum?

iamhe77 Grand Master

iamhe77

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Posted

Isn't it better to have one that doesn't trransfer too much heat to your intake plenum?

Yes... with a runner spacer it definitely is.

With a V35 plenum spacer it makes no difference as the spacer is installed between the top and bottom sections of the standard cast alloy plenum.

iamhe77 Grand Master

iamhe77

Posted
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lol... thanks mate... although the torque increase is there I have yet to dyno it.

Would be tricky to get an accurate comparison though as the engine needs to be cold to install the spacer kit.

Ryan, as per the first post... the original was 17mm as that was the size aluminium we had access to. It was modelled of the 20mm aluminium TEPS unit. When I switched to Bakelite, I wanted to go with a taller spacer to see if there was a noticeable performance increase (unknown) and also so it could soak up a bit more heat from the engine due to the larger area.

bigkevracer Grand Master

bigkevracer

Posted
Posted

So does that mean if a 30mm spacer would fit under the bonnet you'd do it?

I'm thinking if the engine cover fits back over the engine with the spacer installed, I should be able to fit a spacer and a strut brace no problems. Hopefully we'll find out tonight :thumbsup:

Sunkist Grand Master

Sunkist

Posted
Posted

So does that mean if a 30mm spacer would fit under the bonnet you'd do it?

I'm thinking if the engine cover fits back over the engine with the spacer installed, I should be able to fit a spacer and a strut brace no problems. Hopefully we'll find out tonight :thumbsup:

i dont care what cam tells you.

the cover DOES NOT fit back on with the spacer.. it touches the bonnet

iamhe77 Grand Master

iamhe77

Posted
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Posted

Aaron, go talk to Nick "nickcorr" about that.

His has been installed a lot longer than yours.

So does that mean if a 30mm spacer would fit under the bonnet you'd do it?

I'm thinking if the engine cover fits back over the engine with the spacer installed, I should be able to fit a spacer and a strut brace no problems. Hopefully we'll find out tonight :thumbsup:

I'd certainly try it out.

Could do it too - the PM35 bonnet has a lot more clearance than the NM35 bonnet.

Sunkist Grand Master

Sunkist

Posted
Posted

Aaron, go talk to Nick "nickcorr" about that.

His has been installed a lot longer than yours.

I'd certainly try it out.

Could do it too - the PM35 bonnet has a lot more clearance than the NM35 bonnet.

im actualy going to make you do it next time you come around.. i dont beleive you until i see it.

Dunc Mentor

Dunc

Posted
Posted

im actualy going to make you do it next time you come around.. i dont beleive you until i see it.

Are you physically unable to close the bonnet or is it that you think/know/hear its touching once it does eventually close?

Sunkist Grand Master

Sunkist

Posted
Posted

Are you physically unable to close the bonnet or is it that you think/know/hear its touching once it does eventually close?

well last time me and scott tried my fron bar was off.

i could clearly see it touching. and it hack up the foam on the bonnet.

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