Why have I never seen/heard a dump valve on any T-Jet Grandes?
because it uses a wastegate valve iirc
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surely it cant do it any good would it not slow the car down????re-circ valve matey. works in exactly the same way as a dump valve only the compressed air it allows to 'escape' is put back into the induction via the tubing along the top of the engine cover.
you can remove the 90 degree rubber tubing at the end of this and it will allow the exact noise an atmospheric valve makes and have no ill effects on the running of the t-jet.
i did it for like the first week i had my t-jet. but im putting it back to standard now, as id rather it be more sleeperish.
because the wasted air is bein reused forced back into the air intake which is putting more air into the intake system if you take it off theres less air going into it
so taking it off int gonna do it any harm or effect performance then?Well the reason it activates in the the firstplace is that the air has nowhere to go once the throttle butterfly is closed so how would putting more air into the induction system help?
The advantage in normal set ups is really only to keep things quiet and save you wasting filtered air
cool thanks buddy :slayer:Well it shouldn't do any harm providing you block the redundant intake hole off and it won't effect the performance but it won't make it any faster either, you'll just frighten grannies and annoy people
Look on youtube there are loads of videos of Tjet dump valves. You could also buy a GSR and then you will hear it dumping through that like mine does
so taking it off int gonna do it any harm or effect performance then?
Can anybody please take a pic of there t-jet engine and mark on it the part you need to remove to get the dump valve sound please. and also, once removed is it easily replaced or do u have to break clip etc to get it off. Thanks Joe