xr4x4rs

iTrader: (5)

did he make the tubular exhaust manifold for that engine or is it a one of

due to not many people making them and i was wondering why

whats the average cost for a tubular manifold and who can make them

what would the differences be between a 2wd one as these arnt far behind

also what about the rumours of them cracking why is this?

thanks for the advice and help

Charlie Chalk

iTrader: (1)

prices can vary, from £400 to £800, they only crack if there covered in heat wrap from what i hear, best of covering from down pipe back, not actual manifold

and suppose movement when coming on boost hard, would need a turbo brace to stop movent


any other comments

GARETH T

ill have two for that price mate

Charlie Chalk

iTrader: (1)

thats going on a price for RST's and what ive been quoted,



wouldnt have a clue on a cossie manifold, was guessing they be roughly the same

xr4x4rs

iTrader: (5)

id imagine they would be a bit more complex than a rst?

does his one run an external wastegate aswell

because thats what i will be using

but dont want the hassle of always maintainig the 2wd one due to bolts snapping all the time

RANJ

mines cost nearly a grand

xr4x4rs

iTrader: (5)

that looks like what m rainbird sells

is it the same?

RANJ

made by same person yes,

i can also get them

xr4x4rs

iTrader: (5)

ill give 250 for urs as its proberbly got that much dust on it by now

anyway hows it going mate hows parent hood keeping u

when u coming back down here next

RANJ

for £250 ill give u the box it came in

being a dads fun, im back varipous days in week,

btw my engine is ready

GARETH T

xr4x4rs

iTrader: (5)

ok 300 quid final offer but i want the engine aswell

fair play mate

how long now

also what wastegate can that manifold fit or can the bloke make it to my choice of wastegate

what about the cracking ive heard though

RANJ

only ones that have been pushed past 500hp have cracked, the newer design ones , like mines above have not cracked in testing yet

i will see this when i dyno mine, as im pushing alot more then 500hp

ive got turbosmart wastegate

xr4x4rs

iTrader: (5)

see im going for about 550 but doing the engine so it can do more but dont want to

want the thing reliable not like my last one where i was under the bonnet every 5 mins

but let us know how it gets on with it mate

because i havent even got a manifold anymore

xr4x4rs

iTrader: (5)

ranj if i pm u my spec

cud u see if its worth doing or not please

Stevewrc

My manifold, £840.00 + VAT.
Regards Steve

Mike Rainbird

iTrader: (3)

Ranj,
The one in your picture above is the OLD design (which is the same as Rod's and is the one that cracks ), did so even on running in program on the dyno .

The corrected design looks like this (note change of wastegate from single tube to twin) . They have yet to have a single failure with this design, whereas all of the single type ones have all cracked so far .









These are £1100 (inc delivery) and take in excess of 40 hours each to make up (to your turbo / wastegate flange spec).

I have some nice photos of Steve's one, but won't put them up unless I have his permission to do so .

Paul Eggleton

Ber -fucking- ling That is a nice bit of kit

Kev.H

i find manifolds very pretty a work of art infact

Anonymous

I now have the new design manifold, so hopefully probs ive had are gone away.
Rod

T28 RST

I have this one on my RST.

Anonymous

Personally would have thought the issues were down to vibration / support (or lack of) and materials used...

The welding and shinyness doesn't look brilliant to me...

The dude that welded oli's up is going to do outs and the welding is truly amazing, as this guy welds up aerospace stuff, you can imagine the level of work.

Mike Rainbird

iTrader: (3)

Dingly,
Well shows that what you "thought" is wrong . It is also down to design . The NVH on a Cossie is horrendous and yes it does have to be supported, but even with this in place, the single tube waste-gate design cracks. The twin item doesn't .

Anonymous

Which part of support don't you understand mike....?

Single is less than twin init ?

Surely its still a combination of everything rather than just the fact they now use a twin system... ?

Tubular manifolds crack @ the head and turbo flange also.

Mike Rainbird

iTrader: (3)

By support I assumed you meant a physical hanger / support, not by the nature of it's design .

Yes, also the heat is spread over a greater area.

When directly supported, the wastegate tube still cracks around where it is welded to the main manifold. With the twin system, it does not.

These ones do not (well not in 20k of testing so far) .

Anonymous

What Kind of testing ?

I am not interested in one cause they wouldn't fit in my car, just insterested in tests done...

Support - means support regardless of how you read it

Mike Rainbird

iTrader: (3)

Steve,
Whatever - talk to the hand .

These manifolds are currently on in excess of ten road cars and two rally-cross cars, all above 600bhp and all abused on track and road and none of the twin systems have cracked (as yet), and some have been on the cars for over two years...

Anonymous

Rallycross cars are a fair enough test

xr4x4rs

iTrader: (5)

could do with pics of steves manifold then compare the two

RANJ

mike


ask thomas if the one i have has ever cracked

Mike Rainbird

iTrader: (3)

Ranj,
If it is the one in the photo above, then I know of two that have (one being Rods ), and as they're the only two out of three that have ever been made and run on a car to this design (yours being the third one that hasn't run yet ), I rest my case .

Anonymous

Mike, ive talked long & hard to Tomas on this subject. Ranjs was different to the mine & this design has not as yet had probs, but we shall see.
If he was not confident of it, he would replace with new design as he did mine, he also put mine on a t4 flange for better flow up to 800bhp, their after sales has been great.
Cheers Rod

Porkie

iTrader: (1)

Me too

RANJ

thanks u very much rodders,