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Originally Posted by brute
However, with turbos, it is important to match everything. And more flow doesn't necessarily make it more beneficial to your specific application. This is why .a/r is so important. Larger a/r = more overall flow, but it will decrease low-end type thing. So a huge a/r turbine housing will sacrifice spool for overall flow. Great top-end, not good low end. Dyno queen. And conversely, a small a/r will provide excellent spool at the expense of top end.
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Thanks for your help on my other thread brute. For a small a/r turbine housing (like 0.48 A/R) what would be considered as "matching everything"?
Stock TB?
Stock intake manifold?
No cams?
3" (not 2.5 before the flex) downpipe?
No cat?
Basically keep the restrictions before the turbo and remove restrictions after the turbo?
The idea to measure backpressure using an oil pressure gauge from FP is cool.
