Boost vs exhaust pressure March 20, 2016 12:54PM
What is general opinion on what difference between boost and exhaust pressure should be? 10lb? 15? Running consistently about 20 25 difference currently with a 101 exhaust housing. How much closer would it be with something like a 110?

TIA
Reply Quote

Re: Boost vs exhaust pressure March 20, 2016 12:55PM
Current pressures are about 55 boost and 75 80exhaust
Reply Quote

Re: Boost vs exhaust pressure March 20, 2016 01:21PM
I had 30 difference higher on exhaust side and I kept pushing the intake compressor wheel into the cover. On a Holset 60 with a 27 exhaust housing. I went with a 32 and it is within around 10 and all looks good so far.
Reply Quote

Re: Boost vs exhaust pressure March 20, 2016 01:41PM
it depends on the size of exhaust wheel versus size of intake wheel. the closer the wheels r in size the more exhaust presure u will have
Reply Quote

Re: Boost vs exhaust pressure March 20, 2016 01:49PM
Is this 3000 rpms ? If so , you should be as close as you can to be the same .
Reply Quote

Re: Boost vs exhaust pressure March 20, 2016 11:49PM
No this open rpm
Reply Quote

Re: Boost vs exhaust pressure March 21, 2016 08:01AM
The pressure needs to be as close as possible otherwise you will have the same problem as robert. If you are not having this problem then I would stay with your 101 housing if you get too large of housing your going to lose all your low end torque. In my my experience 20 to 25 psi is doing alright.
Reply Quote

Newer Topic Older Topic

Author:

Your Email:


Subject:
Spam prevention:
Please, enter the code that you see below in the input field. This is for blocking bots that try to post this form automatically. If the code is hard to read, then just try to guess it right. If you enter the wrong code, a new image is created and you get another chance to enter it right.
Message:
Website Statistics
Global: Topics: 38,697, Posts: 229,796, Members: 3,329.
This forum: Topics: 37,081, Posts: 225,950.

Our newest member CBeard