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BMC A-Series Head Swap?
The stock A-Series heads are terrible and I have a client looking to make serious power with an A-Series engine.
I told him there was little to be gained in reworking a stock head. Anyone know of a viable head swap for this combination? No, he will not be running a SCCA class but this was best match for post. Thx |
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hi.
a very very late reply but anyway: depending on what you call serious bhp, i think the percentage gains on porting a a series heads are huge. True after a lot of work you end up with around 110 bhp for a heavily rebuild/tweaked 1275. a solid fully stock idling 90 bhp can be done for a relatively small budget (been there done that , got greedy and now i'm battling it out with an engine that has 25 bhp more potential but also the ability to induce HUGE headaches) beyond that i think you are basicly building a full race oriented engine which is pretty tempramental. as far as head swaps go the options are ARDEN 8 port : really expensive as you have to change just about everything. Ken Elder australian 8 port : page is horrible but it shows the head. http://business.fortunecity.com/lerner/445/head.htm Russell Engineering 113 North Rocks Rd North Rocks 2151 (02) 9630 2195 can probably provide you with info he build quite a few high powered (150bhp) ones it seems KAD 16 V: just too much money..but it will rock Specialist Components - Welcome BMW K series head ''swaps'' which is rather involved but the head is beautifull and 8 and 16 v versins are available delivering silky 110 bhp to >>160 bhp NA 7 port options minisport uk bought the rights to the danisch AKM head and changed it a bit (i think they made in the takes a bit smaller). not cheap especialy at todays currency rates.. |
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