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anti surge compressor cover change...?

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Old 12-11-06, 05:50 PM
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anti surge compressor cover change...?

well i just got my anti surge compressor cover back from polishing for my 35r. now my question is i tuned the car on a regular bell compressor housing. will the anti surge change tuning much??
Old 12-11-06, 08:13 PM
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I didn't even know they had one for the 35R. Pics?
Old 12-12-06, 12:21 AM
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heres a pic, a few places make it now. it whisles like crazy until my wastegate opens that is.
Attached Thumbnails anti surge compressor cover change...?-turbo1.jpg  
Old 12-12-06, 12:27 AM
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damn, where did you get that?
Old 12-12-06, 12:56 AM
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Originally Posted by Bindon
damn, where did you get that?
https://www.rx7club.com/spec-tuning-154/new-ported-turbo-compressor-inlets-560965/




I was also wondering how tuning would be effected if the compressor cover was swapped from anti-surge to standard.

I believe that if you were tuned with the standard housing you would run a tad more rich with the antisurge housing since it would be pushing a slight bit less air due to the recirculation in the housing. My concern is being tuned for the anti-surge housing and switching to the standard housing without retuning, would it push enough extra air to create a lean condition and possibly blow an engine without retuning?
Old 12-12-06, 10:23 AM
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Nice noise maker and efficiency killer!!

Actually, the amount of efficiency loss will be small (with slight gain in surge line, which by the way is soooooo far left that a rotary wont EVER be in it). Although optimumly you'd need a retune, in all most likely hood it'll be fine. But don't take my word for it, get a wideband on your damn cars!!!!!!!!!

~Mike..............
Old 12-13-06, 09:07 AM
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here are some pics of it polished.
Attached Thumbnails anti surge compressor cover change...?-100_1772.jpg   anti surge compressor cover change...?-100_1773.jpg  
Old 12-13-06, 09:24 AM
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Whom ever did the polishing did a kick *** job!!

~Mike..........
Old 12-13-06, 12:49 PM
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wow! Thats really nice!
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