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General Car Related Discussion.To discuss anything that is related to cars and automotive technology that doesnt naturally fit into another forum catagory.
Hallo i have a escort cosworth with new bulid engine.
s&j aloy true studd blokk.
148mm aroow roods.
92mm omega flatop with a bit valve cut out and coated.
the cylinder head have 36mm inlet and 33mm inconel valves and seat and wil hopefuly give me some good numbers.
and yes the car running 9:1 in compresjon and is only rwd !
the intake i have used earlier is a hart plenum with match portet runers/intake.
the enigine is bulid for high rpm and will be running a efr9180 so maximimum tork on low rpm is not my goal, i read alot about barel intakes and Mis but they are not that willing inn high power but beter to have for a longer rpm ranges?
sooo what alternstive is there? only use the hart plenum but maybe with spacer and ofcours 70mm trootle ?
hope someone having somerhing good advice to with becouse always good to heare other idees and experineces.
i like a good finish on thing to so good if its looks okei too! and a bit of engine just puttet togheter abit to see coolars and have ever bolt sent away 🙈
Very impressed with your new engine, love the alloy block. Super clean as well. Sorry cant offer you much help as to how you want the engine to perform as I only have an "old School " low comp YB in my 2wd Saff. I also have a Hart style A&S plenum with matching inlet ports. Mine is only 450 bhp but I guess you will be going for a lot more?
Very impressed with your new engine, love the alloy block. Super clean as well. Sorry cant offer you much help as to how you want the engine to perform as I only have an "old School " low comp YB in my 2wd Saff. I also have a Hart style A&S plenum with matching inlet ports. Mine is only 450 bhp but I guess you will be going for a lot more?
I went for the polished finish on my plenum.
I like my engine bay clean and shiny!!
thanks . okei, planing tl emty that efr9180, but i qil stlp where it feels best and dont over stress it.
my old engine with the same sylinderhead only then it was 31mm exhoust valve. 8:0 kompresion and hart inlett, it made 484hp on the back wheel with only 1.45 boost and ita stoppet there becouse the turbo was a gtx3076r with ar63, so it was having to mutch back presure stock 2wd manifold to .
but when i se what other use on high hp cars i cant se why it could give alot hp if ported up and 70mm trootle. so curious about what people think
i want 8 injectors , that for shure. but have is it to have it side by side ond the runner or is it better to have one of the set straight innto the trumpets?
then i talked to mark, very nice guy and a big chance that will be the road to go
someone know where i could buy a brand new auxilery axle ?
and that big heavy as brakket that hold alternati , steering pump and the wheel to tighten the multireim. is somwone making them in aloy and a bit smaler, and if not can someone pleace do that sone, its heavier then the block itsself almost
Last edited by henning850; 24-08-2017 at 01:40 PM.
I think MK also does the billet alternator brackets? But there are some on ebay and others on google if you look for "cosworth billet alternator bracket)
I think you will get over 680 to 700 bhp plus on that setup with the right mapping.
I think Mark Shead visited Norway recently to map a big power car, I have seen him map a cossie to over 700bhp on the same turbo as yours (MA Developments)
What an engine haven't seen one where the main caps bolts are the headstuds.
Those alternator brackets only work on 2wd cossies or early 4x4 that has the pas pump on the opposite side. I'm assuming you wouldn't want to move it over due to space for a dry sump pump.
what are people meamings here about a simple manifold like this?
foe me i se noe wrong i am not aimimg att a car buring tire att 2500rpm, i am builing a car with hopdfully a long register and a curve that claims up to 8500, thats have the cylinderhaed its set up.
so why some fancy thimg with 100bends and no room for everything els. my teori is with a engine on 9:1 comp, build for reving high and that big tuebo this wil kick as anyway. the other design i havw looked att have some crazy piping and all the place on exhost side is gone, i want it clean simple and a bit fancy but not that fancy i will have 2km with exhast pipes on it. but again it nees to work to, thats pre one!
Last edited by henning850; 24-08-2017 at 05:38 PM.
There's a cheaper alternative the oplinger motorsport manifold, similar to the hart but bigger, there's an 8 injectors one being done too, got one on my car had to cut a bit off the corner of battery tray to fit it.rated to 800hp.
There's a cheaper alternative the oplinger motorsport manifold, similar to the hart but bigger, there's an 8 injectors one being done too, got one on my car had to cut a bit off the corner of battery tray to fit it.rated to 800hp.
Yeah i have seen it , but personaly way to big and yes looks like a hart on roids. and so fare i keep . and i am maybe a bit too picky on some things and like it need and clean , after.what i heards the one from mike handled more and is very very nice so think i will go for that one, not daved that mutch jet om tgis bulid so dont gone do it know woth parts thats right in front of you hehe
but the one from romain shure work he have some car s now that go preaty good .
Last edited by henning850; 24-08-2017 at 05:39 PM.
That's the new casting (MK2 if you like), the earlier alloy blocks did not have them, Mark Shead said that these were a great improvement.
They can go right up to 2.7l and 14mm higher block height if needed too.
I'd love to know the power potential of one of these if 1000bhp was possible on the old design. Good to see there's still delopment happening on these old donkeys.
I know, 1000 bhp,is just huge on 2000cc original motor, even if massaged a bit. Thing is these old cars we have them in are light too. My car with 600 bhp would be higher power to weight than most hyper cars.
[QUOTE=3doorcozmess;6745929]are many people using the alloy block?
im sure there's someone who knows there cosworth engines and builds them but backed the block, something wasnt right with it.
seems a strange set up to me alloy expands with heat.[/QUOTE
its is more about tecnoligi ? si have far vi can push things, make it later and STRONGEr there are many types aloy and wotg good alloy , billet beams and good steeliner so on so so on why not. i whould never buy a steel blok and press it that far with samw expensive parts. and doupt somwone whould buy a +14mm 205 block :P but kiding to side we cant stayvin 95 if we want more out of everything, and the aloy and heat no problem, if it get that hot you have other serious problems i think
in my eyes its looks like a very good block that someone have used alot of brain behind making .
Yes, there are quite a few of these blocks around now. The head has always been alloy and there are quite a few OE alloy blocks out there. The old BDA in the RS200 had to be warmed properly according to something I recently read. There have been a couple of 1000 bhp YB's in alloy IIRC.
I'd love to know the power potential of one of these if 1000bhp was possible on the old design. Good to see there's still delopment happening on these old donkeys.
The efr 9180/1.4 wont see 1000bhp on a 2 litre or even a 2.1 on an engine that's streetable. Turbo overspeed must be monitored & kept below 116k rpm. Mark went to 125k & saw 979bhp but it didn't last long. There will be a new EFR soon that will allow 125k on a 9180 framed Turbo. Mark has two on order. If 1000bhp is the aim I have a GTX4202 sitting in my wardrobe that will do it with ease on the correct engine. I use 1000bhp ITB's from Jenvey using 8 injectors not sure it it may be what this guy wants.
Nice purchase. He's told me he's making mine next week so I guess he will do yours too.
Your escos is pretty epic looking. What's the full spec of components?
Nice purchase. He's told me he's making mine next week so I guess he will do yours too.
Your escos is pretty epic looking. What's the full spec of components?
That i think wil be corect becouse he had orderes alredy so 2-3weeks he guesed for me.realy looking forward to that
24-08-2017, 03:21 AM
inlet for hight
