1 5/8 or 1 3/4

fly4spd

New Member

Jan 20, 2004

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Las Vegas & Reno

Apr 26, 2004

#1

• Apr 26, 2004

• #1

I've decided on BBK LT's but I was wondering what size would be better. At the moment the car is stock, but I will have worked heads and a new intake manifold and cam... probally thumper heads and weiland stealth manifold (please don't turn this into a thumper or not thread) by the middle of summer which I'll put everything on at once.

 

Rick 91GT

Mustang Master

Nov 29, 1999

9,692

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PA

Apr 26, 2004

#2

• Apr 26, 2004

• #2

1-5/8" will work fine for your future combo, the 1-3/4" will be too large IMO

 

NoSLowFiveO

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Jul 19, 2002

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Brighton, MI

Apr 26, 2004

#3

• Apr 26, 2004

• #3

First let me say... good choice on the heads. I had them on my car for one season and loved the performance for the money.

Now as for headers, you probably wont have enough airflow to justify useing 1 3/4 " headers. The thumper heads build alot of torque and make a very good street head. The 1 5/8 long tubes would be a better match IMO.

Justin

 

IMissMy93Fox

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Mar 9, 2004

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Apr 26, 2004

#4

• Apr 26, 2004

• #4

You would have to be pushing a whole lot of power to make the 1 3/4 worth it. The 1 5/8 will be fine for a while.

 

fly4spd

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Jan 20, 2004

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Apr 26, 2004

#5

• Apr 26, 2004

• #5

cool.. thanks guys
-aj

 

MadMatt5oh

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Jan 10, 2003

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St Paul, MN

Apr 26, 2004

#6

• Apr 26, 2004

• #6

Not to jack or whore the thread but at what level are 1 3/4 longtubes a good idea? Ideally Id like something to grow into - not replace all over again!

 

M

Matts89LX5.0

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Nov 1, 2002

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Apr 26, 2004

#7

• Apr 26, 2004

• #7

1 5/8 is perfect

Matt

 

fly4spd

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Jan 20, 2004

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Las Vegas & Reno

Apr 27, 2004

#8

• Apr 27, 2004

• #8

thanks for the input