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turbo hogster

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stowmaket suffolk

sorry its a bit late but here is my latest graph.

got 155 at the flywheel on 14 psi running on 9.4 cr using det cans.
ign 27 deg fixed but must say 12 psi is a safe run and got 146 at the flywheel.;

always looking for them bigger bunches of bannanas


AlexF2003

5795 Posts
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AFRacing LTD

Newbury, Berks

dont you love them old chassis dynos !!

*happy*

Alex

AlexF


turbo hogster

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stowmaket suffolk

yes i do bloody noisy though

always looking for them bigger bunches of bannanas


wolfie

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Somewhere around Swindon

whats a det can?

Crystal Sound Audio said:

Why wolfie...you should have your name as Fuckfaceshithead !


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iain
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8506 Posts
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Sold the turbo and seeing what the C20XE can do!

Near Lincoln

like a stethoscope (however you spell that!!) that you use to listen for any detonation i believe


SurfToLiveLiveToSurf

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Cirencester, Gloucestershire

Old School! Great results though.. Good stuff.

1310 - Supercharged 16v Twin Cam - 190BHP - SC Built.
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turbodave16v
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SouthPark, Colorado

On 23/04/2006 10:11:06 wolfie said:

whats a det can?


The ones that i expeienced were just piped 'tuned' ear defenders/muffs, whatever you want to call them

That said - If you wear ANY ear defenders - even £1.99 wilko specials, you'll hear detonation long before you can without them. Basically, as the Db increases, your sensitivity to noise lower in the Db reange reduces - and in an enclosed RR dyno room, with an A-series at full chat - you've little chance of hearing detonation untill it's already doing damage...

Wearing any ear defenders basically moves the whole sound 'curve' downwards (making everything quieter) and hence increasing the sensitivity of the ear. You can therefore pick out Detonation WELL before you normally could.

If you can find them, these so-called 'det cans' are expensive. I was buggered if i could tell any significant difference between detonation with the expensive 'det cans' or cheapy ear-defenders tbh - and certainly not for the price difference...

Edited by turbodave16v on 23rd Apr, 2006.

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AlexF2003

5795 Posts
Member #: 80
AFRacing LTD

Newbury, Berks

Det cans make a world of difference IMO.

Alex

AlexF


turbo hogster

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stowmaket suffolk

his are as you say dave ear defenders with a wire whiuch you attatch to the engine, but ray likes for when you are getting close to det.

he herd a very brieve bit of det for about 1/2 sec at about 4000 rpm on 14 psi, we backed ign of 2 deg toi 25 but didnt make any difference.

but at least i now know were my limit is now which i think is pretty inportant.

always looking for them bigger bunches of bannanas


Miniwilliams

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Proven 200+bhp & Avon Park 05,06,07 Class D 3rd place

Yes well done hoggy on a good graph, makes mine look a bit flat in places, must be 1380 power*wink*

Best 1/4 mile 13.2 seconds @116 mph
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