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Total 4 documents matching your query.

1. Re: polishing heads, noticeable power increase? (score: 1): Author: Unknown; Date: Sat, 01 May 1999 12:42:44 +0100; I carried out some porting and polishing on a BMC A-Series engine some years ago and did get a noticeable increase in power, particularly in the mid range. being quite mildly tuned, the engine still; /html/triumphs/1999-05/msg00001.html (9,335 bytes)
2. Re: polishing heads, noticeable power increase? (score: 1): Author: Unknown; Date: Sat, 1 May 1999 09:47:16 EDT; I had the same experience as Dave. My 4A picked up a good bit of useable torque doing exactly what he did to his BMC "A" series. Except--most Triumphs have more ports to start with so there is a litt; /html/triumphs/1999-05/msg00003.html (6,978 bytes)
3. polishing heads, noticeable power increase? (score: 1): Author: Unknown; Date: Fri, 30 Apr 1999 20:01:02 PDT; I've got the urge to get a little more power out of my Fergeson 4-banger in my TR4 and was wondering if anyone could tell me if they've tried polishing the heads or ports, etc. Is there noticeable in; /html/triumphs/1999-04/msg01614.html (6,781 bytes)
4. RE: polishing heads, noticeable power increase? (score: 1): Author: Unknown; Date: Fri, 30 Apr 1999 21:08:02 -0700; You didn't mention headers, which IMO are the first step (biggest bang for the buck) to take. Then I'd go for cam (push rods & springs) & compression . Also make sure your rockers are up to snuff. T; /html/triumphs/1999-04/msg01618.html (9,260 bytes)

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