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ultimass
Original Poster
53 posts
28 months
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Hi,
I am in the process of fitting a cooler to my Quaiff gearbox. I am using an electric low pressure pump and a mechanical oil stat that fits inbetween the pump and the cooler rad.
What do i do with the breather on top of the gbox, will oil be forced out of it even under low pressure?
Martin.
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MarkWebb
768 posts
86 months
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You still need breather otherwise seals will blow. you should have an in and an out connection low down on the box. What Quaife are you using? I am told that none can take the torque of our engines.
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Storer
1,984 posts
84 months
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Mount the catch tank high up under the clip or it will blow oil out which the airflow then deposits on the back of the car.
Paul
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MarkWebb
768 posts
86 months
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Mount high and then run pipe from top of catch tank to below chassis rails.
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F.C.
2,541 posts
77 months
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Mine runs fine with the breather in the standard position.
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Storer
1,984 posts
84 months
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MarkWebb said: Mount high and then run pipe from top of catch tank to below chassis rails. What Mark said Paul
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MarkWebb
768 posts
86 months
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Mine is hung with the top face flush with the top chassis rail in order to give clearance for the exhaust system on top. No problems.
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macgtech
600 posts
28 months
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Just make sure that the pipework allows the oil to run back into the box - obvious but often overlooked. Our's is mounted on top of the chassis rail and not had an issue with anything blowing out of it.
I too would wonder what Quaife box you are running - I know for a fact none are rated at the torque levels that the SBC's or the LS7's produce.
I would also probably not worry about the stat - its just extra complication. Its a good idea to put an inline filter in the system that you check regularly - this is the best way to monitor the life of your box.
Jonny
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ultimass
Original Poster
53 posts
28 months
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Thanks for all the advise everyone.
The gearbox has been modified but exactly how i am not sure as it was fitted to the car when i had it
My LS7 engine used to develop 700bhp until i had a milder cam fitted (now around 630) and have not had any problems yet.
Martin.
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