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The mkiv Supra Owners Club

anyone using an aftermarket cam in there N/A


Guest jk_supra

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i dont know about you guys, but if im doin any "bumping" i prefer it to be with a female..

 

PS, If these offer a reasonably performance increase and not a knock on effect of having to replace several other components to compensate for an aftermarket cam, im interested too :D

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i had a brief look at this the main word being brief lol, the problem is the exhuast cam as the N/a exhuast cam has a gear whihc runs the dis

 

i did contact a few cam firms about it to see if they could modfiy a stock exhuast one to match a HKS intake if i brought one. never got round to buying a hks or a spare exhuast one. id gladly forward the e-mails on if anyone want to pick this up

Edited by couv3z
spelling grammer, (see edit history)
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You can get stock cams either re ground with a smaller base circle, in which case you'd need custom cam followers with a longer stem underneath to keep shim sizes sane, or (spit) you can get them metal sprayed / "welded" and re ground on a stock base circle. If you add any worthwhile lift or duration you'll need a mappable ecu and they'll low end performance and hurt economy. It'll get VERY expensive, very fast, and the car will be lousy on normal roads. A small block Chevy transplant or selling it and buying a TT will be much cheaper than pulling any serious amount more power from an N/A.

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  • 2 months later...
  • 1 month later...

If you want a decent cam (ie, not reground on a smaller base circle on a stock cam, or welded up and re ground) Kent Cams will do billets to anything you want. They are doing me a pair of billet cams for the 4A-GE engine I'm building, I can even spec where I want a cam position trigger tooth, which the stock cams don't even have, and I am having the exhaust cam cross drilled for added lubrication and cooling. They are very helpful.

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My Freind runs SIP who also specialise is custom cams and custom cranks. like chris, I have a set of customs on one of our 7M engines though they are a Reduced circle/regrind and require custom shims. He does customs from billet 5160 steel cores which are 3 times the price. He can also build Stroker kits, heres one of his custom cranks

http://img.photobucket.com/albums/v487/rich1969/rods025.jpg

 

I have been chatting with one of our 2jzge customers about cams this week. However we have also been chatting about getting the most from the engine to make the use of a higher lift/longer duration cam. i.e with larger valves, reworked chambers and ports, uprated valvetrain components, adjustable cam gears (no point in installing cams unless thy can be timed), fuel and air delivery from a custom injector and ITB setup and ditching the stock ECU for something to get power from the setup and raised rev limit....it all gets quite costly

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