Cosworth intake manifold

[Rogreborn]

Has anyone here got this or know someone who is using it? I kinda want to get one but don't know if it's worth it.

[Kiyomi]

Has anyone here got this or know someone who is using it? I kinda want to get one but don't know if it's worth it.

why do you want to get one? for better sound, or performance?

imo, not worth it. unless you are building an engine, which in that case you would go itb's for way more air fllow. even if you went turbo, the stock intake mani is very efficient.
someone on a diff forum did a dyno run with it on and a stock mani. lower torque, but more hp and only when it was above 6500. the power kept going up, but it would only be worth it if u could rev to 8k which you would need a built motor. get a tune for best bang for your dollar performance.

[Mr Wilson]

Only ever seen one guy running one on MSF. He's go a turbo sedan.

Kiyomi might have looked at it.

Well he found the thread before I could tag him....

[Kiyomi]

Only ever seen one guy running one on MSF. He's go a turbo sedan.

Kiyomi might have looked at it.

Well he found the thread before I could tag him....

lol thanks. i just got on and saw it. :D

[Rogreborn]

Ahh thats what i was thinking. It does look awesome.

[taz4432]

why do you want to get one? for better sound, or performance?

imo, not worth it. unless you are building an engine, which in that case you would go itb's for way more air fllow. even if you went turbo, the stock intake mani is very efficient.
someone on a diff forum did a dyno run with it on and a stock mani. lower torque, but more hp and only when it was above 6500. the power kept going up, but it would only be worth it if u could rev to 8k which you would need a built motor. get a tune for best bang for your dollar performance.

Stock IM manifold is plastic - most boosted 3's run only around 7-8psi boost pressure but I can guarantee you even at those low boost levels that IM is flexing. If the engine is built and someone actually plans to run a reasonable amount of boost (20-30ps +i) I highly doubt the stock plastic IM would hold up. I could be wrong and I haven't done any research on Boosted 3's running high boost but that would be my bet based on my experience.


To answer the original question - I did look into the Cosworth IM and all the other Cosworth parts when I was considering building a high-strung N/A engine for my 3 but I never ended up going down that path. You'd have a better chance finding people who use those IMs on racing forums as the engine is essentially the Ford Duratec engine (hence FoMoCo stamped on everything) and those engines get used extensively in many racing series.

[Kiyomi]

Stock IM manifold is plastic - most boosted 3's run only around 7-8psi boost pressure but I can guarantee you even at those low boost levels that IM is flexing. If the engine is built and someone actually plans to run a reasonable amount of boost (20-30ps +i) I highly doubt the stock plastic IM would hold up. I could be wrong and I haven't done any research on Boosted 3's running high boost but that would be my bet based on my experience.


To answer the original question - I did look into the Cosworth IM and all the other Cosworth parts when I was considering building a high-strung N/A engine for my 3 but I never ended up going down that path. You'd have a better chance finding people who use those IMs on racing forums as the engine is essentially the Ford Duratec engine (hence FoMoCo stamped on everything) and those engines get used extensively in many racing series.

yeah, thats why tri-point was running their racecar with a stock im... good up to 350+hp. sides, no one who boosts a 3 is gonna run 20+psi...

[taz4432]

yeah, thats why tri-point was running their racecar with a stock im... good up to 350+hp. sides, no one who boosts a 3 is gonna run 20+psi...

Someone with a built engine easily could if they know how to tune. I'm just throwing it out there that the stock IM is a weakpoint on a boosted car - what the failure point is I can't claim to know but just because a single (or even a couple) car is running 350hp without it blowing up doesn't mean it will hold up if they decided to throw more at it. It's also quite possible that the burst point will never be reached since there don't seem to be any tuners aiming for huge numbers. If he's planning to keep his engine N/A then this is a moot point anyways.

[Kiyomi]

Someone with a built engine easily could if they know how to tune. I'm just throwing it out there that the stock IM is a weakpoint on a boosted car - what the failure point is I can't claim to know but just because a single (or even a couple) car is running 350hp without it blowing up doesn't mean it will hold up if they decided to throw more at it. It's also quite possible that the burst point will never be reached since there don't seem to be any tuners aiming for huge numbers. If he's planning to keep his engine N/A then this is a moot point anyways.

thank you. thats what i was getting at. ionno why this is up for convo.