Turbo Manifold

H

hardcoreep

Member +
I suspect neither would work differently. The only difference in flow would be due to runner size. Neither take advantage of the EPs firing cycle. Equal runners have the runners the same distance to the turbocharger. Pulse designed use the firing cycle of the cylinders to aid spooling therefore the runners are designed to make the pulses merge one after the other.
 
S

Starbus

Member +
hardcoreep said:
I suspect neither would work differently. The only difference in flow would be due to runner size. Neither take advantage of the EPs firing cycle. Equal runners have the runners the same distance to the turbocharger. Pulse designed use the firing cycle of the cylinders to aid spooling therefore the runners are designed to make the pulses merge one after the other.
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Could you expand on this a little. Why is the EP's firing cycle different to any other car?

Anyway. A basic explanation.

The 2 might have a different power band. Different length runners have different power bands. If you have 4 different lengths u get a wider power band but less peak power. All equal more power narrower band.

However this isn't as important in a turbo car as in n/a simply because the turbo usually determins the powerband.

It would also be affected by the cam's you chose, your turbo choice etc etc.

Try both on your car and then post up the results this would surely be better.

How much did you pay for them?
 
G

GP82

Member +
hardcoreep said:
I suspect neither would work differently. The only difference in flow would be due to runner size. Neither take advantage of the EPs firing cycle. Equal runners have the runners the same distance to the turbocharger. Pulse designed use the firing cycle of the cylinders to aid spooling therefore the runners are designed to make the pulses merge one after the other.
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Yes, this is always overlooked. Look how the stock cast iron was designed to give the pulsating effect from the EPs cylinder firing cycle, the turbo side of the exhaust manifold is also split into four so the pulsating effect is maximised to aid spool up, you gotta think application specific and not jus' theory!
 
R

Red Hot

Member +
If you got both these manifolds, you could try them on the bench and see with one is the best.

Like the looks of the first one, thats for sure:p
 
slow_gt

slow_gt

Member +
TurboDave said:
Somethings up.

So slow_gt whats your explaination punk.
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Got some info from my friend Danny in KL. He told me Kitaro owe a lot of money from this Adrian Raj (another adrian) that supplied him a couple of hybrid turbos. Kitaro also cheated a lot of people from some Malaysia car forum and police report was made to hunt him down. They have source that Kitaro went overseas to prevent himself being caught.
The person who did up my manifold design in KL is called Jeffrey (according to Danny) who owns an exhaust shop.
The picture for the 1st manifold was not my design after further questioning Danny told me that my design can't fit into a starlet due to space constrain thus he show me another design which Adrian Raj emailed me. I suspect Kitaro copy and paste the picture from Adrian Raj to post it up for sale in the old forum.
 
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