getting to 130-150bhp

[clarkey2010]

another question which probably gets asked to death but anyway.

what would be needed to get to a reliable (used daily ) 130-150bhp from my little ZX

[Piggy]

turn everything up

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(oh n a straight through exhaust and fiddle with lda)

[padge]

straight pipe, 9mm bosch, and a mild tune.

[kernow_joe]

straight pipe, 9mm bosch, and a mild tune.

not on standard turbo, going to pushing some heat otherwise

do some research soo many threads about,

[Piggy]

quite a few have achieved 130-135bhp on standard pump n turbo n tmic

[Tom]

Mattcheese for one been running 130bhp for a few years now i think!

[clarkey2010]

what about the 150 barrier

[zx_volcane]

get yourself a bigger turbo

td04 is the proven cheap route to 175+

[padge]

for anything 150+ you want a bigger turbo, TD04.

[clarkey2010]

simple bolt on turbo or would it need some fab work

[Danny2009]

Td04 is from a Subaru impreza so will need modifying to fit have a search loads of info

[zx_volcane]

There are some adaptor plates knocking about which make it bolt on, or you can make your own - no big deal

[Tom]

See you said reliable in your post. I would be avoiding a big turbo if you really rely on your car.

[kernow_joe]

See you said reliable in your post. I would be avoiding a big turbo if you really rely on your car.

a big turbo well with in its efficiency range is going to be more reliable than a small/standard turbo screaming its nuts off trying to flow the same amount of air

[Tom]

I ment engine internals staying internal.

[kernow_joe]

if things stay cooler the internals are more likely to stay internal though, problem with running a big turbo is the temptation to push it more to where rods become road ornaments.

[Tom]

I think the amount of air the bigger turbos throwing in will cause more trouble than just heat?

[Piggy]

not always dood...

a large turbo in its efficiency range will be much better for the internals every time than a tiny t2 @ 24/25psi+ and will see better power.

Now I got my stats sorted my 2.1 is boosted by the GT2056s...at 1.1bar...about 15psi.
But it never goes above 83/84degrees when being caned and see my latest video to show performance.

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...but on the other hand...rods have gone on peeps on small and large turbos alike....then matt runs 130ish bhp for years
However I would be keen to see someone run a td04 or gt20 of somesort at sensible psi and see what reliability it has

[Tom]

Yeah the turbo will be happy but surely theres more air going into the cylinders so more strain on the rods?

[Piggy]

so explain why rods go on untuned and well maintained xuds...luck of the draw.
but for reliable 130+ bhp...you need a bigger/better turbo

[Tom]

For 130 i disagree. For 150 your pushing your luck with the turbo. But then i think a bigger turbo brings its own risks.

[clarkey2010]

looks like i will be hunting for a 9mm bosch instead then if the 11mm will be abit of a over kill or is the perfect excuse to hunt down a different turbo

[Piggy]

are you running a lucas then?

[Mattcheese31]

yeah standard shizzle for 130+ as i've proven, but i will agree with Piggy for once, i think a td04 run at not stupid psi will be reliable too, which is exactly what i plan to do, about 150-160bhp and i think it will live . .

[kernow_joe]

running like for like (small turbo being pushed) a large turbo wil be more efficient and safer for the engine.

pushing the larger turbo will bring in more problems,

on my second engine I ran it at a sensible 1.3 bar (T25 + 11mm) for a long time with no problems at all, and was quickish

running off the gauge 2bar+ lasted a week ... a fun week

[silverzx]

running like for like (small turbo being pushed) a large turbo wil be more efficient and safer for the engine.

pushing the larger turbo will bring in more problems,

on my second engine I ran it at a sensible 1.3 bar (T25 + 11mm) for a long time with no problems at all, and was quickish

running off the gauge 2bar+ lasted a week ... a fun week

Haha, it's so tempting to go for that little extra bit!

[Ruan]

Smaller turbo running at a higher pressure equals more heat, more strain put on the engine via the exhaust... Since you're getting so much less air into the engine as it's so much less dense.

[Mal]

Running the K14-2 for a while now, car still runs like a clock, 24-26psi It doesn't like low rpm's though :p

On the standard K14 I got it to 115 bhp with just fuelling and a straight through, so 130 should be easy with wastegate adjustment and an fmic