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Making Internal Wastegate Turbo External

jnr32r

By jnr32r,
in Engines & Forced Induction

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jnr32r Proficient

jnr32r

Posted
Posted

Ive got a hks manifold with wastegate (not installed yet) but my 2535 uses an internal wategate. Is it possible to weld the internal wastegate and simply use the 40mm exernal wastegate?

I guess the benefits i would like to see is that the airflow from the wategate and turbo are separated although this can also be achieved by a a split dump pipe...

can anyone shed some light

R31 POWER Mentor

R31 POWER

Posted
Posted

Im thinking of doing the same wit hthe same turbo :(

I was going to get another dump pipe flage and weld flat flat on it. Then cut out a hole for the turbine exit (i think it's roughly 2inch) then step it out to 3inch.

Adriano Grand Master

Adriano

Posted
Posted
you have to weld the hole where the wastegate flapper is

then make sure its smooth on the inside so it doesnt hinder flow

no you dont, just make sure it cant open, welding up the wastegate hole in the housing will just cause you dramas such as cracks, and it will take 100 hours to diegrind the weld down so it is smooth

Mr. Oizo Grand Master

Mr. Oizo

Posted
Posted
no you dont, just make sure it cant open, welding up the wastegate hole in the housing will just cause you dramas such as cracks, and it will take 100 hours to diegrind the weld down so it is smooth

of course you dont have to

but if you dont do it properly its just hindering flow :rolleyes:

R31 POWER Mentor

R31 POWER

Posted
Posted

Like this.

hks2.Jpg

I dont want to tack the flapper so if i sell the turbo. Instead i will make a solid rod(take off the actuator) so it is locked and wont open and if it do'es who cares as the dump pipe will be sectioned off :laugh:

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