BAGTHO

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Greetings

Has anyone installed just the Defillipo headers to BA GT?

Dyno tested after installing headers 234.8 RWKW.

Standard 213.00 RWKW.

But lacks power below 2500 rpm. Pulls hard above 3000 RPM

Any help would be appreciated

Thanks in advance,

Casper

how short are the primaries?

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svo347

Sounds like it a very common thing..

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Xtreme F6

I think the Defilipos have a larger primary pipe.. *thinks hard* i actually cant remember but from what i can remember the Pacies have a smaller one and are a nicer package

BAGTHO

tHE PACE MAKERS CERTAINLY HAVE SHORTER COLLECTORS.

rod

greetings all
The Pacemaker, Difillipo & Herrod Extractors are all 1 3/4 primary
The Pacemaker have a shorter secondary pipe & the oxygen sensors are a lot closer to the engine to help sense exhaust gas temp's

regards
rod

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Xtreme F6

ahh cool.. i knew there was something different about them but wasnt sure what thanks guys for clearing that up.. Does anyone make a smaller primary pipe header? Or even a stepped header?

1 5/8 to 1 3/4 step?

Charliewool

I agree that the Di filipo's lack low down... I also think 1 5/8"Dia primarys are the go compared with the Di filipo 1 3/4"

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BAGTHO

Its always the way you wait & buy the only one made, then someone else ( pacemakers make what could be a better set?

That life.

Does anyone have standard BA GT DYNO & MIDRANGE TORQUE FIGURES?

philstoj

its funny how the boss motors lose torque from the larger primary extractors..
i have the difilippo's on my windsor in my au2 xr8 ute, and i actually gained torque and power evenly over the whole rev range..

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