My New spec on RS500
#42
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Originally Posted by Ian@Racetek
9.0:1 compression + T4? .......tick.....tick.....tick
Cometic gasket on High Comp? Absolute faeces. Rhinoceros manure. Total camel excrement!
Cometic gasket on High Comp? Absolute faeces. Rhinoceros manure. Total camel excrement!
#47
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Glad to be of amusement Karl he he!! But the facts are true.
I would concur with Doug. Isnt it better to have 500bhp every day for a year than for a month?
I would concur with Doug. Isnt it better to have 500bhp every day for a year than for a month?
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Trust me.... save up the extra Ł200.00 or it'll end in tears...or lower the compression. Put the 2 gaskets side by side and one looks like its made in Taiwan!!
#51
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WRC cars did not use Cometic gaskets. If your gonna go high comp, come down to about 8:5 or 8.6:1. Should be ok with T35 but try and save the extra and buy a proper gasket!
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Originally Posted by RS500/104
SO THE WEAKEST LINK IS
THE GASKET?
IT NOT A T4
I PUT A T34.63 HY ON THE SET UP
THE GASKET?
IT NOT A T4
I PUT A T34.63 HY ON THE SET UP
You took the T4 off your RS500 & put a T34 on? First time I've ever heard of someone doing that! Everyone assumed you would still be on T4 cos it's an RS500 mate
#53
Norris Motorsport
The cometic gasket really is the cheapest of cheapest things. It should'nt even retail for Ł30 let alone over Ł100!!!!
As for C.R, I've said it before and it's fallen on deaf ears, but for a reliable road car (i.e. running on normal pump fuel) on a T4 at 500bhp you need to going for C.R below 8.0:1.
As for C.R, I've said it before and it's fallen on deaf ears, but for a reliable road car (i.e. running on normal pump fuel) on a T4 at 500bhp you need to going for C.R below 8.0:1.
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Originally Posted by Rick
cant use the ECU dependant functions on AVCR),
Can u explain what u mean pls, as i am looking onto one of these. As far as i can see it's got a high/low boost curve for every gear?
Most of the Big power jap cars run a profec B (no frills) over AVCR's which says alot i think. Not that i ever had a problem with the AVCR but that was on a lot less boost on a Datsun.
the other reason i didnt fit it was i think it will look a bit too out of place in an antiquated 3 dr dash lol
#56
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Rpm Signal is straight from the coil, Speed sensor is easy - u can just use one that screws into the gearbox like on the fuel computers use. It just monitors the injector duty cycle - think thats optional if u dont do something else which i cant remember at the mo lol.
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would even 7.8:1 do enough ? for bigger power? as at the moment i got a 200 block with 4x4 pistons and a 2wd head which in combination should lower the CR.
So the only gasket you 2 advise is teh Mountune WRC one ?
So the only gasket you 2 advise is teh Mountune WRC one ?
#58
Chasing Radders
Originally Posted by Rene
So the only gasket you 2 advise is teh Mountune WRC one ?
#59
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Originally Posted by Rick
Rpm Signal is straight from the coil, Speed sensor is easy - u can just use one that screws into the gearbox like on the fuel computers use. It just monitors the injector duty cycle - think thats optional if u dont do something else which i cant remember at the mo lol.
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Originally Posted by rsnissan
the other reason i didnt fit it was i think it will look a bit too out of place in an antiquated 3 dr dash lol
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Originally Posted by Rene
Originally Posted by rsnissan
the other reason i didnt fit it was i think it will look a bit too out of place in an antiquated 3 dr dash lol
#62
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Originally Posted by TIFF-C20WTH
Originally Posted by Rene
So the only gasket you 2 advise is teh Mountune WRC one ?
#63
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Originally Posted by rsnissan
Originally Posted by Rene
Originally Posted by rsnissan
the other reason i didnt fit it was i think it will look a bit too out of place in an antiquated 3 dr dash lol
#65
Originally Posted by TIFF-C20WTH
Originally Posted by Rene
So the only gasket you 2 advise is teh Mountune WRC one ?
But looking at the post further up, you can see that Karl is not objecting to the relatively cheap alternative of "O" ringed block (Ł60.00 approx) + late Es Cossie h/gasket (Ł 20.00)...........Very easy to overlook that there were reliable 500 + BHP cossies LONG before WRC head gaskets were devised............Even Paul Baileys Escort (Mk2) with the usual 500 spec WON many races and continues to blitz allcomers on track days on an "O" ring blocked engine........
#69
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Originally Posted by Ian2wdsaffcos
Originally Posted by RS500/104
SO THE WEAKEST LINK IS
THE GASKET?
IT NOT A T4
I PUT A T34.63 HY ON THE SET UP
THE GASKET?
IT NOT A T4
I PUT A T34.63 HY ON THE SET UP
You took the T4 off your RS500 & put a T34 on? First time I've ever heard of someone doing that! Everyone assumed you would still be on T4 cos it's an RS500 mate
#70
Chasing Radders
Originally Posted by 3doorPete
So if you were going for a Stage 3 rebuild, would Group A or Cometic Gaskets be better?
BUT
If you can afford a WRC one then get it
#71
Chasing Radders
Originally Posted by RS500/104
yes it is a 500 just the t4 is brand new wanted to try the 34 before i make the choice of the final turbo i like the t3 I KNOW I KNOW but the pick up is so quick
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dilemma:
the Mountune WRC one is mega expensive - probably wont fuck up on any time
the Grp A one sounds fookin cheap - could be made out of plastic for that price
the Mountune WRC one is mega expensive - probably wont fuck up on any time
the Grp A one sounds fookin cheap - could be made out of plastic for that price
#75
Chasing Radders
Originally Posted by Rene
dilemma:
the Mountune WRC one is mega expensive - probably wont fuck up on any time
the Grp A one sounds fookin cheap - could be made out of plastic for that price
the Mountune WRC one is mega expensive - probably wont fuck up on any time
the Grp A one sounds fookin cheap - could be made out of plastic for that price
BUT
After 330bhp i wouldnt bother getting a group A as you will be on Borrowed time.
DO IT ONCE, DO IT RIGHT
#76
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Originally Posted by TIFF-C20WTH
Originally Posted by Rene
dilemma:
the Mountune WRC one is mega expensive - probably wont fuck up on any time
the Grp A one sounds fookin cheap - could be made out of plastic for that price
the Mountune WRC one is mega expensive - probably wont fuck up on any time
the Grp A one sounds fookin cheap - could be made out of plastic for that price
BUT
After 330bhp i wouldnt bother getting a group A as you will be on Borrowed time.
DO IT ONCE, DO IT RIGHT
BUT my missus will kill me i i tell ill need a 380 quid HG and new headbolts!
#77
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There is NOTHING wrong with cometic gaskets
Coopers rings...YES
I take it o-ring block means wire rung?
My professional advice mate ..RS500....Comp ratio is too high..dont do it 7.8-1 is perfect imo good off boost drivability too.Air injectors perfect.....not sure you need coil packs really.Cams...BD10'S
Coopers rings...YES
I take it o-ring block means wire rung?
My professional advice mate ..RS500....Comp ratio is too high..dont do it 7.8-1 is perfect imo good off boost drivability too.Air injectors perfect.....not sure you need coil packs really.Cams...BD10'S
#78
Chasing Radders
Originally Posted by Ima-Racing500
There is NOTHING wrong with cometic gaskets
Just advising people with my own experience Hopefully it will save them what i went through
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Not everything is perfect 100% of the time!I would imagine even a WRC one has had faults
I still say that the main problem with gasket failures is a mistake by the fitter.
I still say that the main problem with gasket failures is a mistake by the fitter.
#80
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Originally Posted by Ima-Racing500
Not everything is perfect 100% of the time!I would imagine even a WRC one has had faults
I still say that the main problem with gasket failures is a mistake by the fitter.
I still say that the main problem with gasket failures is a mistake by the fitter.
I dont know if you read tiff's problem with the cometic HG but i am sure that Karl knows how to fit a bloody HG!