Trumpet for Blacktop 4-Throttle

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AndrewMIVEC

Senior Member
Aug 23, 2007
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Hi, anybody out there can machine (aluminium) trumpets for the Toyota Blacktop 4 throttle?

Hole diameter start at 49mm and grow to around 70mm at 75mm height... or any other custom dimensions??

Rgds,
Andrew
 

tamok

Known Member
Senior Member
Aug 14, 2008
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Hai Andrew
I got stanlessteel trompet for black top
give u'r pn no...I send the pic for u....
 

JINEIL2EN

Over 10,000 RPM!
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Sep 6, 2004
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team99ers.2.forumer.com
refer to ur requirement, theres got a few basic spec u can follow & if u ask for more, then u hav to calculated the cubic & ur needs...
 

tamok

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Aug 14, 2008
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jdm from halfcut..some member said the long neck good for STV n the short neck for BTV''
sorry if wrong...
 

JINEIL2EN

Over 10,000 RPM!
Senior Member
Sep 6, 2004
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team99ers.2.forumer.com
u'r right... but not all..
not to says so...
its all depends on wat u wan 7 how u wish ur engine can be... mayb can b more easy, short & fat is more to higher rev which no bother the low end toq at all, while tall/slim 1, is more to 'Balance'...
difren cam will have difren setup...
 

tamok

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Aug 14, 2008
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you all right...must be right set-up..tambah itu and tambah ini if not sengok-sengok.he hee
 

Veloc

3,000 RPM
Senior Member
May 19, 2010
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u'r right... but not all..
not to says so...
its all depends on wat u wan 7 how u wish ur engine can be... mayb can b more easy, short & fat is more to higher rev which no bother the low end toq at all, while tall/slim 1, is more to 'Balance'...
difren cam will have difren setup...
Bro.. Care to explain? Got such thing as trumpet tuned for low-end torque? I thought once we go trumpet, we can forget about low end already? Can we still get low-end torque if use trumpet?

And... lets say we use long and slim ones, which is for low-end torque, is it better than the low end torque for stock filter/open pod/CAI?

Thank you...
 

SYeNi69

Known Member
Senior Member
Jun 27, 2006
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TTDI KL
of course ... matter of fact ... changing to CAI/exhaust also it would be proper if u do tuning ... then only u can fully utilise it :)
 

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