Re: WRAY T96 SUPERCHARGER refurb and install
Posted: Fri Sep 25, 2020 9:19 am
The moment of truth approaches - clearances all good 



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FB-EK Holden Car Clubs of Australia
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It's showing vacuum at idle (that's normal), then decreasing vacuum under load (that's normal too). It should go above zero though, and into boost, once the revs come up.FJWALLY wrote: Fri Sep 25, 2020 10:09 am Just for Harv - is this any good?
https://youtu.be/lY1lZV8Tc8M
It’s coming off back of the manifold - Fred seams to think it’s ok and will go positive under load - still bedding veins in also so it should improve with use - it needs tuning alsoHarv wrote:It's showing vacuum at idle (that's normal), then decreasing vacuum under load (that's normal too). It should go above zero though, and into boost, once the revs come up.FJWALLY wrote: Fri Sep 25, 2020 10:09 am Just for Harv - is this any good?
https://youtu.be/lY1lZV8Tc8M
Could be the gauge is stuffed, or it's plumbed upstream of the supercharger. Needs to be plumbed between the huffer and the cylinder head.
Cheers,
Harv
I actually broke your gauge fitting it - housing just crumbled so this is a Garrett brand newHarv wrote:It's showing vacuum at idle (that's normal), then decreasing vacuum under load (that's normal too). It should go above zero though, and into boost, once the revs come up.FJWALLY wrote: Fri Sep 25, 2020 10:09 am Just for Harv - is this any good?
https://youtu.be/lY1lZV8Tc8M
Could be the gauge is stuffed, or it's plumbed upstream of the supercharger. Needs to be plumbed between the huffer and the cylinder head.
Cheers,
Harv
Harv if I were to put a Tacho on this what would you recommend considering to will also have the maggy on it?Harv wrote:It's showing vacuum at idle (that's normal), then decreasing vacuum under load (that's normal too). It should go above zero though, and into boost, once the revs come up.FJWALLY wrote: Fri Sep 25, 2020 10:09 am Just for Harv - is this any good?
https://youtu.be/lY1lZV8Tc8M
Could be the gauge is stuffed, or it's plumbed upstream of the supercharger. Needs to be plumbed between the huffer and the cylinder head.
Cheers,
Harv