Intake manifold spacer...

[JoelD]

I saw that BNR has an intake manifold spacer for sale. Has anyone installed this part? If so were there any gains? Also one would think there would need to be a tune after install? Thank you.

 

[efaily]

I haven't installed it, but it appears to be more for tuning of the power band, than for peak gains. Lengthening the intake runners is often done to increase low RPM torque. That's similar to what GM engineers did on the 1.4l LUV GM engine by adding the "tumblers" in the stock plastic intake manifold. It would be interesting to see the difference in power curves on a dyno between the stock setup, and the ported intake manifold with the spacer. Not likely to provide much in terms of peak gains, but it could extend the power curve over a wider RPM range.

 

[JoelD]

Awesome. Thank you for the input. Midwest winters are not ideal for installing mods. Luckily I am able to utilize my jobs auto shop. Hopefully it's an easy installation. Pull bolts. Drop in spacer and install new hardware. Thanks again.

 

[efaily]

Good luck, let me know how it works out.

 

[JoelD]

Dumb question. You don't have to strip everything off like you did when replacing the intake manifold right? Just pull bolts. Install spacer. Replace with longer bolts. Sorry...

 

[efaily]

I haven't replaced an intake manifold on this car yet. Presumably that should work as long as there aren't too many things in the way of slipping the spacer in between the manifold and head. You shouldn't need to remove the fuel rail, injectors, etc. I'm just not sure about how much give there is in the wiring looms running across the top of the manifold.

 

[zomby woof]

Intake manifold spacer will do nothing.

It's too short to have any affect on air flow