Naturally Aspirated Power - Who Has Achieved What?

Ah! Thanks for that. I thought a Super 200 was just an exhaust and remap upgrade. :+1:

Ah thanks, :+1:
That’s still a very good output though

Super 200 is remap and manifold for the NC2, whereas the super 200 for the NC1 is the equivalent of the super 220 NC2. It’s a super 190 for the NC1 I believe

I have super 220 with mid pipe and the gt back box, running is 222bhp and 173 lb/ft.

Smiles per pound is very high!

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Hi there, did you go for the catted or non catted manifold ?

Cheers

with 221bhp, you have the wrong username :grinning:

I have non catted manifold, do you know if you have the newer manifold which sacrifices bhp at top end for more lower down torque? I ask as I seem to hit peak torque 1000 rpm earlier.

Username came from Porsche days when mine had the least power :smiley:

Wasn’t aware of a different manifold ? Yours does seem to come in earlier than mine

what did it do to your mpg ? When travel restrictions are lifted I am thinking of going for the BBR package which is basically ECU change over and 421 catted manifold only. Dont want to mess around with cams and backboxes as dont really want a lot of noise either. Just some more acceleration when overtaking.

I’d say if driven equally it’s pretty much unchanged. I used to track my MPG manually via an app and it never dipped significantly. Challenge being that, with more power, comes more temptation to accelerate harder and more often, and that’ll be to the detriment of economy.

Sounds sensible if you wish to avoid lots of noise. Mine has the full exhaust and a racing beat rear silencer and it’s a tad obnoxious, especially when hot!

Haven’t had any other issues related to the BBR package since it was installed over 3 years ago. Don’t expect fireworks when accelerating after the kit is installed. I noticed most improvement in the mid range which, handily, is where I spend the majority of my time.

I recently built a 250 - 260bhp spec 2.5 in an NC. The OE inlet is very, very restrictive so it’s only putting out 225 and 205 ft/lbs torque until it gets ITBs.
It’s a fantastic car to drive though, anywhere and anytime, absolutely faultless in every way. It needs the open diff swapping for an LSD as it’ll spin a wheel quite easily, especially in the current poor road conditions. If I do a rolling start in first or second and floor the throttle it’ll spin the wheels.
With older stuff you had to choose whether you wanted road or track as one engine couldn’t really deliver both, but the NC is so advanced you really can have your cake and eat it these days.
As you can see by the previous replies most people only think that peak hp is the figure of importance, some have realised there is more and that torque is also key.
No-one has noted that how an engine behaves at all engine speeds is the dominant factor, it’s this which makes the bigger engined cars absolutely walk all over the others both on road and track despite not having a headline grabbing peak power figure.

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Having come from mostly larger engined cars in the past I have to say I 100% agree with you with regard to larger engines and also how much more relaxed they can be :+1:

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Yes this thing will pootle along at 2000rpm in 5th just fine, but if you really want it’ll pull hard and make power right up to 7500 too.

Sounds awesome :smiley:

It bloody well is, Mazda should have put these in them originally.

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I’ve built many over the years…
A 2.5 throttle body duratec @288bhp
More recently a mk4 throttle body @262bhp

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It doesn’t seem to have changed mpg under normal driving.

Problem is that with the exhaust mods, the temptation to rev to almost 8k in 2nd and 3rd will probably limit the miles of ā€œnormal drivingā€. :grinning:

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Hi Paul
I am in the South East so Sheffield is not that convenient for me: I have an NC engine being built at the moment, am using Cat Cams sport cams with VVT still in place, BBR catted manifold and their 200 map, and a k&n flat panel filter. I was told intake manifold is the limiting factor due to its 90 degree turns, so am very interested whether you are using the throttle bodies with a standard inlet or whether you are using one goal or equivalent inlet. BTW the bottom end is fully balanced with K1 rods and Wiseco pistons with ARP studs/bolts keeping all together: