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Author: Subject: Best engine to get 300 to 400 bhp from?
INDY BIRD

posted on 30/4/14 at 08:07 AM Reply With Quote
Best engine to get 300 to 400 bhp from?

Thought if put this out to all if you have a opionion on it,

I have a friend who is just going to start a project and a 7 chassis and is looking to go car engine,

Catch is he wants at least min 300 bhp but would prefer 400 bhp,

So what's the best engine to go for and weather turbo or supercharged,

And as it is a 7 rep to try to keep it light weight if he can, as the car is in the development stage he can make it to accommodate it,

Thanks for any opionions out there

Sean

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GRRR

posted on 30/4/14 at 08:47 AM Reply With Quote
Saab 2.3 (or 2.0) turbo engine, probably need a hybrid turbo and bigger injectors but that should comfortably see nearly 400bhp. The Trionic T5 standard management system can be mapped at home too.
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coozer

posted on 30/4/14 at 08:48 AM Reply With Quote
Lots of options, quite a few German barges with big power engines, vag diesels with 400bhp potential, Lexus v8? Merlin v12?

I'm looking to use a Cupra r bam 225 engine in mine that's easy to tune to mid 300's

Good luck!





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mookaloid

posted on 30/4/14 at 08:49 AM Reply With Quote
I think budget is important here - getting that sort of power isn't all that difficult.

Getting it from a small light weight engine is a bit trickier. I think I would research a duratec for starters but Saab engines are good for this too





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beaver34

posted on 30/4/14 at 09:08 AM Reply With Quote
also its ok having the power

but if its not in a nice delivery then it will be a proper handful in a light car

jeffs supercharged car has a nice steady power & torque curve so puts it down fine

i run a turbo engine but built to delivery power like a n/a engine so no low down grunt and peak power high up rev range with no massive spike in power that will light the rear wheels up

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jeffw

posted on 30/4/14 at 09:14 AM Reply With Quote
'Best' is a movable feast here....best in what sense. You could have a 500BHP Supercharged GSX1000 motor for enough or a CEC with a turbo like the Saab. The difficulty is getting the transmission to stay with the power you are making and to design the install to suit what you want to do with it in the budget you have.





640 BHP per ton.....

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INDY BIRD

posted on 30/4/14 at 09:29 AM Reply With Quote
budget wise not really considering a locost option so can be easy 10 to 15k budget,

I suggested as said what jeff has done or a duratec,

I think supercharger would be better power delivery,

But need to keep it as light as possible. so poss zetec - duratec supercharged the way to go?

Any other options out there that could be possible welcome,

cheers
sean

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jeffw

posted on 30/4/14 at 09:34 AM Reply With Quote
If you speak to TTS they can do you a superchargered Duratec which will make big HP for 7-8K installed. Have a word with Richard or Darran

http://www.tts-performance.co.uk/#!ford-duratec-/c1amx





640 BHP per ton.....

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James

posted on 30/4/14 at 09:59 AM Reply With Quote
Cosworth? Hicost has 450bhp in his car.

Needs a lot of pennies spent on it!





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hkp57

posted on 30/4/14 at 10:41 AM Reply With Quote
Some to choose from here

Linky





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six mad

posted on 30/4/14 at 11:24 AM Reply With Quote
A 4g63 mitsubishi evo engine will easily produce 350hp with mild mods
ecu remap filter and exhaust, your just need a rwd gearbox to mate it to.
I would think you could pick up a complete engine for 1.5k.
There are tons of aftermarket parts for these motors and they are very tuneable.

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coyoteboy

posted on 30/4/14 at 11:41 AM Reply With Quote
3rd gen 3SGTE (Mr2 turbo, celica GT4) will push out 300hp in standard form all day long on stock everything with a few tweaks and can be picked up for a grand.

Comes from the factory with forged crank and a yamaha engineered head, rods good for 700hp, crank good for 800 proven but you'd want to switch out the pistons to forged ones if pushing more than 400.
You might struggle to find a gearbox to mate in RWD format unless you're willing to do an adapter.

[Edited on 30/4/14 by coyoteboy]





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ashg

posted on 30/4/14 at 12:12 PM Reply With Quote
have seen lots on here

200sx engine
saab b204 or b234
most ls v8's
cosworth yb
zetec turbo/sc
duratec turbo/sc
hyabusa turbo
calibra turbo engine


just depends how deep your pockets are.





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loggyboy

posted on 30/4/14 at 12:42 PM Reply With Quote
Maybe a 250-300hp engine and a 150shot of Nitrous? Means you can keep it cheap and have the perforance when you need it.






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INDY BIRD

posted on 30/4/14 at 12:50 PM Reply With Quote
thanks for the replies and u2u its very interesting,

v8 though out due to weight, and no nos as wil be a track day car only,

evo not heard of one being done before prob quite hard for conversion,

some u2u for a s2000 supercharged also being a option, that's interesting.

as it will be track car must be suitable for this with appropriate sump or dry sump kit etc,

no Bike engines though,


thanks again all

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loggyboy

posted on 30/4/14 at 01:02 PM Reply With Quote
Just because its trackdays doesnt mean Nitrous isnt viable. Its certainly worh considering. If anything because its a track and not a race car it makes it even more viable (rules and regs). Having the option on damp or drying track to just switch it off round the wet areas and turn it on when its safe to do so, combined with a controller to stage its use would be a great benefit on track.
I have a 4 port controlled nos kit for mine which I plan on installing post IVA, should boost the zetec to a healthy 250hp.






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rdodger

posted on 30/4/14 at 01:12 PM Reply With Quote
Why?

Isn't a 7 about being light weight, nimble car with great balance? Not nose heavy and over powered.

For me it would be NASP with the right gearbox and diff.

That budget would see a 250bhp plus Duratec with Caterham 6 speed or fancy sequential.

Build it light and it's 500bhp per ton, which is enough for every one .....................apart from Jeff!

[Edited on 30/4/14 by rdodger]






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jeffw

posted on 30/4/14 at 01:20 PM Reply With Quote
lol....it isn't just me you know





640 BHP per ton.....

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rodgling

posted on 30/4/14 at 01:25 PM Reply With Quote
BMW E36 M3 or similar, 320 bhp stock and will happily go a lot higher with a turbo. Loads of torque, revs nicely, and the power delivery is very nice. Not the smallest engine, but it can be made to fit in a 7. Can be had with a loom and ECU for about 1500.

[Edited on 30/4/14 by rodgling]

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INDY BIRD

posted on 30/4/14 at 01:42 PM Reply With Quote
why?

well I have 255 bhp and sequential box and you always want more,

The person building this car is somewhat used to power and can really peddle a car,

he has just built a dax cobra with over 600 bhp and it moves and is now focusing on another project with a 7 rep but aiming for very light weight and car engine,

he has done cosies in the past aswell as busa turbos so again don't want to go down that route,

looking for a modern engine with potential of that bhp,

cheers again for the feedback,

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locost 7 k

posted on 30/4/14 at 02:08 PM Reply With Quote
K series turbo, I'm running a 1.4 turbo K series capable of running 400bhp (forged internals) obviously your need deep pockets but the power to weight of the engine is great as they weigh next to nothing, also a rover v8 aren't too heavy but can be tuned to run high power
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jacko

posted on 30/4/14 at 04:22 PM Reply With Quote
If it wasn't for the weight a Nissan skyline and drive train
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Mr C

posted on 30/4/14 at 04:36 PM Reply With Quote
My choices not in any particular order.....Supercharged duratec, Mazda 3 2.3 mps engine (in essence a 2.3 turbo duratec) or an M3 engine.





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Pat_T

posted on 30/4/14 at 06:12 PM Reply With Quote
I'm currently starting a build with a similar objective. Albeit a middy. I also have just come from a 380bhp/ton, sequential Seven.

My best option so far is a turbocharged Honda K20a.

As someone on here has already pointed out, you will find it's not finding an engine at the suitable weight/ level, it's finding one that comes with a suitable transmission that will take that power on track!


p.s Locost 7 K
400bhp 1.4 K-series?? hmmmmm. Even the best 1.8 K-series turbo build (10k) I have ever seen only runs just above 300.
http://www.morego.co.uk/bbr-gti/RoverK300T.php (2.3bar abs boost)
You need the following kit from morego with the base plate to stop the head lifting off at those levels of boost! http://www.morego.co.uk/bbr-gti/RoverK_photos.php






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locost 7 k

posted on 30/4/14 at 09:04 PM Reply With Quote
U2u sent
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