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Question for the experts here ...
I'm planning ot get a set of toda c cams and need to know the minimum compression required to support these cams.
How would I go about getting this required comp ratio?
The motor is currently running 11:1.
Thx in advance.
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higher than 12.0:1 using high comp pistons
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Thx.
So there's no point in running C's in standard ITR motor ... ?
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Hell no would need the full package, high compression + more fuel + a whole lot more.
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I agree with Jim80y. What car is it for anyway? I assume dc2R. Anyway you cant just put more agresive cams and say "that will do" because you will increase engine wear. You gota get set of different Valve Springs to cope with those cams, more fuel as jim said, higher comp pistons. And with that its comon sence you have high quality headers, intake and a fully tunable ECU like HondataS200.
But if your motor is stock and your planning to just change the cams to a Toda C's, bad idea.
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Hi guys…
Just to let you know as it doesn’t seem to be common knowledge…
Spec B camshafts actually suit most B18C engine combinations better than Spec C camshafts.
This is not to say that spec C’s won’t work…
Moreover, that to out power Spec B camshafts in a B18C using spec C's...
There is much work to be done...
Remember...
The component list doesn’t make the engine powerful…
It’s the combination that matters & it’s the little things that really count…
Also… Combination is nothing without good tuning…
TODA Performance Australia Pty Ltd
TODA Racing - FIGHTEX - MFactory - HALTECH - EXEDY
Race engines, Dyno tuning, Licenced workshop, Parts.
P:0401869524 email: toda@todaracing.com.au
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Thx for the reply guys ...
To clear the air abit .. I have some mods basic mods done and wonder if the Toda C's suited my application.
mods to my B18cR:
- intake / exhaust / headers
- high capacity fuel pump
- power fc (not fitted)
- toda valve springs(not fitted as waiting for cams)
Will the above items be enough for the C's? Anyone run a similar setup?
How will I go about bumping up the compression? Will CTR pistons do the trick? What's involved in getting them fitted?
Anything elase that I'm missing here? What sort of gaskets will I need to replace? Buy?
Thx in advacne again. Apologies for all the questions ...
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TODA AU: Can spec B shaft, springs, and cam gear be fitted to a dc2r without high comp pistons?
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Yes, and the results are worthwhile...
To achieve maximum performance, a form of programable engine managemet is required...
TODA Performance Australia Pty Ltd
TODA Racing - FIGHTEX - MFactory - HALTECH - EXEDY
Race engines, Dyno tuning, Licenced workshop, Parts.
P:0401869524 email: toda@todaracing.com.au
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Sorry for hijacking the thread but,
Adrian can you use the Toda 85mm B20 piston kit in a resleeved/rebored ITR block?
If so what would the C/R be?
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Originally Posted by crx_16x
Sorry for hijacking the thread but,
Adrian can you use the Toda 85mm B20 piston kit in a resleeved/rebored ITR block?
If so what would the C/R be?
Yes you can... (84mm)
This is in fact a superior choice to using the venerable B20 block design...
The capacity using an ITR crankshaft would be 1932cc
Compression ratio is subject to many variables...
That is, piston profile, cylinder head choice, head gasket thickness etc...
Assuming the use of the TODA pistons, a 0.6mm head gasket & B16A cylinder head… (Without change to the chambers)
Your compression ratio would be in the region of 13.2:1…
Special order 85mm pistons of the same profile would deliver 13.5:1…
TODA Performance Australia Pty Ltd
TODA Racing - FIGHTEX - MFactory - HALTECH - EXEDY
Race engines, Dyno tuning, Licenced workshop, Parts.
P:0401869524 email: toda@todaracing.com.au
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