Extractor Question

Submitted: Sunday, Feb 06, 2005 at 01:06

ThreadID: 20159 Views:1680 Replies:4 FollowUps:1

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Vinnie

Hoping anyone could give some idea on what brand of extractors to look for to fit a '92 Maverick 4.2 Diesel.

Would a 2-1/2" system with flow thru muffler also be the go?

Do I have to still use a resonator?

Turbo is out of the affordable range unfortunately, I read in a 4x mag it was done on an 80 series with improved performance figures quoted at +15%.

Any info much appreciated.

Vinnie

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Reply By: Member - Phil B (WA) - Sunday, Feb 06, 2005 at 01:45

Sunday, Feb 06, 2005 at 01:45

Don't know about Mavericks/Nissans. I fitted Genie extractors to my 80 series diesel many years ago. Definately had a power increase, can't say if was 15%, but I felt it made 1/2 a gear difference eg where I had to change down before I found I didn't have to as often. Check with a supplier such as Genie.

More recently fitted a 2.5 " exhaust, this also made a noticable difference.
I still have a resonator.

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AnswerID: 96893

Reply By: Member Eric - Sunday, Feb 06, 2005 at 09:27

Sunday, Feb 06, 2005 at 09:27

Standard extractors are worth nothing to your extra power search . It headers your after . Standard extractor only look good lol . Headers are made to extract exaust gasses in your firing order and are tunned length .

AnswerID: 96906

Reply By: Member - Jiarna (SA) - Sunday, Feb 06, 2005 at 17:06

Sunday, Feb 06, 2005 at 17:06

Hi Vinnie

For a diesel engine, headers and extractors are the same thing. Petrol engines, especially high-revving multi-cylinder motocycle engines will show better power gains with headers cf extractors. (The difference is that headers have each pipe the same length b4 the collector).

Have you seen this page which deals with extractors.

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John

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Follow Up By: Member - Jiarna (SA) - Sunday, Feb 06, 2005 at 17:11

Sunday, Feb 06, 2005 at 17:11

Vinnie, to answer your question, Pacemaker seem to do a good job that lasts well. 2 1/2 inch would be OK for the 1HZ (std is 2 1/4") but you could go to 2 3/4" if you wanted.
Cheers
John

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