4-2-1 or 4-1 mani??? - Saxperience

paulharrison999 · 14th August 2008, 10:16

for my vtr 2001 (cat on mani), which manifold is better for the VTR out of the above 2, i still want to gain good accelleration but also wana gain a bit on the top end.

Paul

luthor1 · 14th August 2008, 10:32

8-valves are all about the torque, so go with the 4-2-1, since 4-1 promotes top end power, and you'll get more of a kick on the 8-valve by playing to its strengths.

Andy

AlexB^p · 14th August 2008, 10:40

4-1 is more suited to a track style situation keeping the revs high to keep the power as that is were it works best (depending if that's how you drive LOL)
on road a 4-2-1 is better as it gives more mid range revs which is what you'll be using more

Furio_Rob · 14th August 2008, 11:04

been asked and covered about 1,000 times

Georgel · 14th August 2008, 15:44

Lets be honest here, neither manifold is going to drastically change the characteristic of the engine and its power delivery. Either design, as long as its a good one will allow the engine to breath better and should increase power.

Pound for pound you can't beat the raceland.

boarer2004 · 14th August 2008, 16:39

Quote:

Originally Posted by Georgel

Lets be honest here, neither manifold is going to drastically change the characteristic of the engine and its power delivery. Either design, as long as its a good one will allow the engine to breath better and should increase power.

Pound for pound you can't beat the raceland.

well said

Proffitt · 14th August 2008, 16:03

Ive had both on my 2002 VTR and i would strongly recommend the supersprint 4-2-1 manifold

Georgel · 14th August 2008, 16:15

Or a raceland if you want to spend less money for the same result.

Proffitt · 14th August 2008, 16:34

The supersprint is alot better build quality

And using the raceland you will have to convert to the mk1 oil filter

pjm300 · 14th August 2008, 16:35

the raceland vts manifold has been proven to run up to 189bhp, it could well have the capacity to do more. i cant believe the vtr one will be any more restricted, so i know which i would use.