Sierra 24v Cosworth Turbo

Hi, new here.... cant read the language here but looks a great site I recognise a few here already so wont bore too much

Got a Sierra 24v BOB rwd, had for 5 years now. Need to either turbo or supercharge as am proper bored now and ist not got enough power. Failing that i might get rid but i love it to bits really

Here's a few pics

Great looking car you got there!

looks good and nice engine!

cool car man with good engine

Thanks for the reply's

Very nice setup you got there. A supercharger would be awsome!

Just putting the final touches to my turbo conversion.....

Looking great

Sweet, anything done to the engine?

Grey skrev:

Sweet, anything done to the engine?

No, not on this but next year i will build up another engine with some low comp pistons etc......

Sweet! Looking forward to see more about this. Movie now!

HI,

project looks good, what have you done about the high compression of the engine?

what have you add,

and what have you modified?

ta

Car was all finished by October so now waiting for mapping....... that will be done soon

looks fuking nice!

video of first test run would be nice, the sound must be awsome

how much power was your motor making before the turbo conversion damo ? i have seen your car on passionford a few times been dying to have a look at it and see it on the move looks mint.

XR2000STEVE skrev:

how much power was your motor making before the turbo conversion damo ? i have seen your car on passionford a few times been dying to have a look at it and see it on the move looks mint.

With dodgy injector wiring playing havoc with the fueling i was getting 200-205 BHP Now i have a solid 330BHP and 376ft/lb torque Does that at 10psi.......

After 15months of being off the road and 11 months laying idle since doing my turbo conversion i finally have a pukka running 24v Turbo Sierra I took my car to Emerald in Wotton Norfolk to see Dave Walker and he spent a good few hours with his laptop on his rollers to fine tune my home grown creation and eventually after a few hiccups i came away with a very respectable figure...... :DD :DD

Im now at a power figure of 330bhp@4877rpm and 376.5ftlbs torque@4377rpm All this is being done at 10psi of boost.

Wasn't all plain sailing tho, we had a problem with the external wastegate........ on the 1st proper run the gate wasnt opening at all so was holding boost 100%, had a look and realised i had the vacumn hoses plumbed in the wrong way on the wastegate body so a quick swap and another run revealed that the 10psi spring in the gate was staying closed till 16psi......bugger!!!!! Also blew a boost hose off too...... I obviously didnt tighten it properly as im using mikalor clamps. If we'd left it at that it would have only lasted a few miles before going bang..lol As we didnt have a spare spring we took the wastegate off and cut the spring down to try and get it to a sensible boost level that we finally got after 2 attempts. Its only temporary and i now have 2 new different poundage springs to try and a boost controller.

Anyways, all i got to do now is give it a good clean and slap an mot on it..... I have driven it for a 100 miles and its 'Fun'....lol

Here are a few pics.....



After fitting the air filter, its a tight squeeze.....




Used my mate Pete's 24v Scorpio to tow the trailer the 140miles to Emerald





And at Emerald where Dave Walker worked his magic

Damocos skrev:

After 15months of being off the road and 11 months laying idle since doing my turbo conversion i finally have a pukka running 24v Turbo Sierra I took my car to Emerald in Wotton Norfolk to see Dave Walker and he spent a good few hours with his laptop on his rollers to fine tune my home grown creation and eventually after a few hiccups i came away with a very respectable figure...... :DD :DD

Im now at a power figure of 330bhp@4877rpm and 376.5ftlbs torque@4377rpm All this is being done at 10psi of boost.

Well done mate!
The car looks awesome to.

If you want, please specify your recipe.

And here is a graph, its not perfect as the wastegate was not working right due to the cut down spring making it open too early..... even on tickover the gate was open and blowing like a fart

Grey skrev:

Damocos skrev:

After 15months of being off the road and 11 months laying idle since doing my turbo conversion i finally have a pukka running 24v Turbo Sierra I took my car to Emerald in Wotton Norfolk to see Dave Walker and he spent a good few hours with his laptop on his rollers to fine tune my home grown creation and eventually after a few hiccups i came away with a very respectable figure...... :DD :DD

Im now at a power figure of 330bhp@4877rpm and 376.5ftlbs torque@4377rpm All this is being done at 10psi of boost.

Well done mate!
The car looks awesome to.

If you want, please specify your recipe.

Yeah no probs,

Standard internal & 9.7-1 compression 24v Cosworth Bug eye Scorpio engine
KKK27 Twin scroll Turbo (from a commercial) running 10psi
Homemade turbo manifold and crossover pipe
Modded 3" Cosworth Mongoose exhaust system
50mm external wastegate and screamer pipe ;D
6x 440cc Subaru STI Side feed injectors
Reworked inlet manifold made of steel (replacing plastic)
Cosworth Bailey oil breather
2.5" intercooler pipework
3" thick 600x300mm Front mount universal intercooler
Walbro 255 fuel pump
Emerald K6 ecu
Extra dials, oil pressure & boost
Boost controller
AP 4 paddle Clutch
Scorpio Diesel MT75 gearbox (better bearings and taller 5th)
7.5" Scorpio Diesel 3.36.1 Diff with 150nm 'reworked' standard LSD
335mm 6 pot High Spec front brakes redrilled for 5 stud
278mm Vented rear Discs from Granada 24v
Homemade adjustable rear beam, camber & toe and Escort Cos Standard beam bushes
4x4 Koni shocks with 2wd Cosworth AVO Springs alround
24v Granada modded ARB
8x18" Comp MO's
215 35 18 Toyo T1R's Front and 225 35 18 Rears

Probably missed some out

Awesome!, wish i could here the sound of thath engine. any movies?

Nicely done Do you have ethanol in England?

Golden Boy skrev:

Awesome!, wish i could here the sound of thath engine. any movies?

Only on the rollers but ya cant really hear much due to the fans

Mikael skrev:

Nicely done Do you have ethanol in England?

Dunno..... I'd say no, why you ask?

I´ts a pity. You will gain 100bhp on that engine with ethanol