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Skyline vs LS1 vs Soarer dyno day 17th May

Martin Donnon

By Martin Donnon,
in South Australia

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Cubes Grand Master

Cubes

Posted
Posted

Martin would it be possible to have an overlap copy of the V8's 400+rwkw power torque curve and maybe your Soarer, a few r33's with different power levels and a couple of R32's thrown in their?

or

If I can have a copy of the above runs I will overlap them and make a post here ?!?!

-----

Chris what mods?

Chris32 Veteran

Chris32

Posted
Posted

Joel, HKS 2510 turbo @ 1 bar, FMIC, 3" exhaust, Bosch pump and re-mapped computer

Check out this dyno chart. This is from the weekend, a good comparison between Grepin and Freebaggins RB25 and my RB20. Just shows how much 1/2 litre makes a differance in the midrange

note - I have blurred out our rego numbers just in case there are theiving bastards browsing the forums for quick cars, but have marked which one is what

Cubes Grand Master

Cubes

Posted
Posted

Just looking at the AF's Chris it looks like yours was running quite a bit leaner in the mid hence the power loss possibly?

I remember when mine was tuned similiar with similiar AF's it lost heaps in the mid range.

I found that running the mid a little richer (just under 12) made best power.

The PowerFC looks like it has a very good power curve and also AF' Ratios. hrmmm

Chris32 Veteran

Chris32

Posted
Posted

Yeah, not to sure Joel. I just put it down to being 2L v 2.5L with variable inlet timing. If I compare the dyno chart from when it had the stock turbo on, the mid-range is virtually identical.

Going to use a electronic boost controller instead of the bleed valve to try and fill the mid-range in a bit.

Perhaps Martin could comment on this, as he tuned it and would have a greater understanding of this then I would?

Cubes Grand Master

Cubes

Posted
Posted

I found with the EBC it actually came on to boost a little slower but was more controlled compared to the bleed.

I.e the Bleed felt quicker because it would spike up really quickly then boost would slowly drop off, the top end would flatten out where as with the ebc it still comes on hard but it is only hitting say 1 bar instead of 1.1 bar however the top end is better due to not loosing boost.

Might be different with the 2510 unless that drops boost up top also with a bleed?

Chris32 Veteran

Chris32

Posted
Posted

Nah, doesn't drop off at the top end. I just want to see if it will get ti th 1bar quicker than it does currently

I'd like to get a EBC anyway, so I don't have to fiddle around under the bonnet if I want to run less boost. Wil be good to see what differance it makes on my car

Freebaggin Proficient

Freebaggin

Posted
Posted

OK, it's on, The "How Crap!" Challenge:

Gotta beat Chris32's RB20 power level.

Gotta beat MattR's RB25 powered power level (no it doesn't help mate).

Gotta beat Nightcrawlers 400m elapse time.

Gotta beat Martin's 1Jz power level.

....man-o-man. Give me some time & $$.

Freebaggin.

P.S. Also gotta keep grepin at bay!

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