Bassani header install
Bassani header install just got through installing these today along with the matching y-pipe with cats. took about 4.5 hours. R&D for Bassani and www.vincihighperformance.com (new sponsor here on the board). might get it on the dyno tomorrow to get the results. then out to OSW for 1/4 mile times.
http://www.stealthram.com/bassaniheadersinstall.html
http://www.stealthram.com/bassaniheadersinstall.html
Staging Lane
Joined: Aug 2003
Posts: 52
Likes: 0
From: Wilmington, DE
Originally Posted by mrr23
just got through installing these today along with the matching y-pipe with cats. took about 4.5 hours. R&D for Bassani and www.vincihighperformance.com (new sponsor here on the board). might get it on the dyno tomorrow to get the results. then out to OSW for 1/4 mile times.
http://www.stealthram.com/bassaniheadersinstall.html
http://www.stealthram.com/bassaniheadersinstall.html
TECH Senior Member
Joined: Mar 2004
Posts: 14,620
Likes: 17
From: BFE
Those should make good low end torque. I think they would perform well with a 220 or less cam with medium lift. I'm curious as to the results also.
Last edited by PREDATOR-Z; Apr 4, 2004 at 01:42 AM.
did some dynoing of the headers. the stock manifolds are pretty good. but they did notice about 5" of vacuum on the TECH II scanner. so they added the air lid and polyfoam filter. then the MAF housing ends.
Bassani headers and y-pipe with cats
http://www.stealthram.com/familypics...saniheader.jpg
added the VHP air lid and polyfoam filter ( vacuum dropped to 1")
http://www.stealthram.com/familypics...dandfilter.jpg
Added the MAF housing ( O2 reading went from 990s to 890s)
http://www.stealthram.com/familypics...mafhousing.jpg
grand total for all parts added vs stock w/ borla
http://www.stealthram.com/familypics/formula/dyno59.jpg
Bassani headers and y-pipe with cats
http://www.stealthram.com/familypics...saniheader.jpg
added the VHP air lid and polyfoam filter ( vacuum dropped to 1")
http://www.stealthram.com/familypics...dandfilter.jpg
Added the MAF housing ( O2 reading went from 990s to 890s)
http://www.stealthram.com/familypics...mafhousing.jpg
grand total for all parts added vs stock w/ borla
http://www.stealthram.com/familypics/formula/dyno59.jpg
Originally Posted by mikez28
Is there any way you could get some sound clips and post them or email them to me? I have a '98 Z28 with Borla exhaust and would love to hear what it sounds like, and I am sure others would as well. I am trying to decide between MAC, Bassani, QTP, and FLP headers, trying to get a complete kit because I want to run cats. Also, what plate are you running for the Borla? Thanks alot, I appreciate it!
Originally Posted by PREDATOR-Z
Those should make good low end torque. I think they would perform well with a 220 or less cam with medium lift. I'm curious as to the results also.
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So it looks like from the dyno59.jpg that peak torque
dropped 20 lb-ft but peak HP went up? I bet there
is more to be had with tuning. Strange that torque
dropped against stock manifolds & piping, I expect
that tuning it better in the midband might give it
back (probably backpressure mixture / VE effects
on torque from the better tubes, cats, Y?). I
wouldn't leave those MAF ends on an automatic
without fixing the MAF table.
dropped 20 lb-ft but peak HP went up? I bet there
is more to be had with tuning. Strange that torque
dropped against stock manifolds & piping, I expect
that tuning it better in the midband might give it
back (probably backpressure mixture / VE effects
on torque from the better tubes, cats, Y?). I
wouldn't leave those MAF ends on an automatic
without fixing the MAF table.
Originally Posted by jimmyblue
So it looks like from the dyno59.jpg that peak torque
dropped 20 lb-ft but peak HP went up? I bet there
is more to be had with tuning. Strange that torque
dropped against stock manifolds & piping, I expect
that tuning it better in the midband might give it
back (probably backpressure mixture / VE effects
on torque from the better tubes, cats, Y?). I
wouldn't leave those MAF ends on an automatic
without fixing the MAF table.
dropped 20 lb-ft but peak HP went up? I bet there
is more to be had with tuning. Strange that torque
dropped against stock manifolds & piping, I expect
that tuning it better in the midband might give it
back (probably backpressure mixture / VE effects
on torque from the better tubes, cats, Y?). I
wouldn't leave those MAF ends on an automatic
without fixing the MAF table.
TECH Senior Member
Joined: Mar 2004
Posts: 14,620
Likes: 17
From: BFE
Originally Posted by OWENMUSTANG
Hey, just a thought. (this is not a flame) on the dyno looks like you picked up
15 HP & 24 ft lbs but, your e.t's look more like 8 hp. what gives??
15 HP & 24 ft lbs but, your e.t's look more like 8 hp. what gives??