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Cam Size And Usability


Bad Apples

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  • Member For: 19y 7m 17d
  • Gender: Male

Hi All.

I currently run BA camshafts in a 698 atomic engine.

I'd like to ask people experiences with the larger camshafts for a daily driver, taking into account idle torque (for taking off discreetly at 6:30 am), and fuel economy.

I expect the BF cams give a significant improvement in power (based on the specs, and tuning results), but good economy (given they are factory fitted).

What about the next size up? -I.e. atomic stage 3 and Crowcams #3231393?

Then there are crowcams 3232562, which is larger, but aimed at NA, so may aid off boost performance...

The next size up is atomic stage 4. Do they produce usable torque near idle?

There is an opportunity to fit larger camshafts in the near future, but retain standard exhaust manifold and turbo. The exhaust is CES 3.5" turbo back. The intake is process west race airbox. nizpro 'original' intercooler and process west throttle body re-location.

Only 1 round of (engine) upgrades to go, .. GTX 4294 (1.01 turbine A/R) on a 6boost style manifold - so bear in mind I'd like the final configuration to suit, as a daily driver. Other relavent information is that being a BA I have the BA ecu, I do not expect this to be a limitation but I understand the newer ones are better...

Please share your experiences 8)

Cheers,

Chris.

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  • Member For: 17y 10m 23d
  • Gender: Male
  • Location: Sydney

From what I see here not many people change cam shafts at all, apparently there is no need so not many would have experience with larger ones...

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  • 3 years later...
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  • Member For: 10y 10m 9d
  • Gender: Male
  • Location: Shellharbour NSW

Once again.......does anybody know the specs for the different camshafts??????

I can't understand why people talk about cams without at least having some idea of basic specs.

But I'll take a wild guess and presume that the only difference between Turbo and NA would probably be that the Turbo cams have wider lobe centres.

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  • Member For: 11y 11m 8d
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  • Location: Liverpool

I'm well aware of cam grinds and their effects, mainly just asking if the xr6 and f6 are the same... And I'm not sure if Lobe separation can be adjusted in the tune between NA and Turbo

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