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 FAQ: Ported Blower vs. Gen V?

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FAQ: Ported Blower vs. Gen V? Empty
PostSubject: FAQ: Ported Blower vs. Gen V?   FAQ: Ported Blower vs. Gen V? EmptyTue Apr 24, 2007 9:50 pm

i've seen others make a reference to it, can anyone explain it?
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FAQ: Ported Blower vs. Gen V? Empty
PostSubject: Re: FAQ: Ported Blower vs. Gen V?   FAQ: Ported Blower vs. Gen V? EmptyTue Apr 24, 2007 11:43 pm

http://www.zzperformance.com/grand_prix/products1.php?id=162&catid=106

_________________
'05 GTO 6.0L • 6-spd • 95k miles • 0-60: 4.8s • 16.9 avg MPG • Nelson Ledges Lap: 1:26

'95 Celica GT 2.2L • 5-spd • 165k miles • 0-60: yes

'98 SC Riviera • 281k miles • 298 HP/370 TQ • 0-60: 5.79s • ET: 13.97 @ 99.28 • 4087 lb • 20.1 avg MPG • Nelson Ledges Lap: 1:30
3.4" pulley • AL104 plugs • 180º t-stat • FWI w/K&N • 1.9:1 rockers • OR pushrods • LS6 valve springs • SLP headers • ZZP fuel rails
KYB GR2 struts • MaxAir shocks • Addco sway bars • UMI bushings • GM STB • Enkei 18" EV5s w/ Dunlop DZ101s • F-body calipers
EBC bluestuff/Hawk HP plus • SS lines • Brembo slotted discs • DHP tuned • Aeroforce • Hidden Hitch

^^^ SOLD ^^^ frown

'70 Ninety-Eight Holiday Coupe 455cid • 116k miles
^^^ SOLD ^^^ frown
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FAQ: Ported Blower vs. Gen V? Empty
PostSubject: Re: FAQ: Ported Blower vs. Gen V?   FAQ: Ported Blower vs. Gen V? EmptySun Jul 01, 2007 2:29 pm

has anyone had this done? how much of a difference are you feeling? i'd like to have it done before going down in pulley sizes
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FAQ: Ported Blower vs. Gen V? Empty
PostSubject: Re: FAQ: Ported Blower vs. Gen V?   FAQ: Ported Blower vs. Gen V? EmptySun Jul 01, 2007 2:46 pm

Imo, porting is a very good thing, but have it done by someone who specializes in the M90 blower. ZZP seems like the best choice. It's a KR reducing mod, so you can run a little more boost safely. If I ever find an IC package for the right price, I'm definitely having someone port the blower while it's off the car.

_________________
'05 GTO 6.0L • 6-spd • 95k miles • 0-60: 4.8s • 16.9 avg MPG • Nelson Ledges Lap: 1:26

'95 Celica GT 2.2L • 5-spd • 165k miles • 0-60: yes

'98 SC Riviera • 281k miles • 298 HP/370 TQ • 0-60: 5.79s • ET: 13.97 @ 99.28 • 4087 lb • 20.1 avg MPG • Nelson Ledges Lap: 1:30
3.4" pulley • AL104 plugs • 180º t-stat • FWI w/K&N • 1.9:1 rockers • OR pushrods • LS6 valve springs • SLP headers • ZZP fuel rails
KYB GR2 struts • MaxAir shocks • Addco sway bars • UMI bushings • GM STB • Enkei 18" EV5s w/ Dunlop DZ101s • F-body calipers
EBC bluestuff/Hawk HP plus • SS lines • Brembo slotted discs • DHP tuned • Aeroforce • Hidden Hitch

^^^ SOLD ^^^ frown

'70 Ninety-Eight Holiday Coupe 455cid • 116k miles
^^^ SOLD ^^^ frown
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FAQ: Ported Blower vs. Gen V? Empty
PostSubject: Re: FAQ: Ported Blower vs. Gen V?   FAQ: Ported Blower vs. Gen V? EmptySun Jul 01, 2007 3:17 pm

I ported My SC myself. Mostly removing the rough casting on the inlet and outlet. I noticed better throttle response and slighty diffrent whine.
You can find many threads on clubgp on how to port an SC. But be careful some have turned their SC's into paper weights. Overall like AA said it is a KR reducing mod.
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FAQ: Ported Blower vs. Gen V? Empty
PostSubject: Re: FAQ: Ported Blower vs. Gen V?   FAQ: Ported Blower vs. Gen V? EmptySun Jul 01, 2007 3:25 pm

yeah I was planning on having it done at zzp, the descrip. says 15% more power then a none modded blower, sounds really good for the 200$ price tag.. but would getting it off be tough? you'd have to remove all the fuel rails and crap
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FAQ: Ported Blower vs. Gen V? Empty
PostSubject: Re: FAQ: Ported Blower vs. Gen V?   FAQ: Ported Blower vs. Gen V? EmptySun Jul 01, 2007 3:47 pm

Their claim is a little misleading. What they actually said is: the highest dynoed M90-powered car makes 15% more power than any other dynoed car not using a ZZP ported M90. That leaves out lots of other variables. ZZP wants you to believe their port job made the difference, but they can't prove it. What if their car had a better-flowing exhaust than the competition? What if there are non-dynoed cars that are running better track times?

That said, it's still a good mod. It's hard to gauge the power increase because it will depend on the rest of your set-up. A 15% gain would equal 36 hp on a stock engine, which I assure you isn't going to happen from just porting. But if it lets you drop a pulley size safely, that's a worthwhile use of $200.

Taking off the blower isn't that bad. I've taken the rail off mine without much problem. I'd think the blower should be cake after that.

_________________
'05 GTO 6.0L • 6-spd • 95k miles • 0-60: 4.8s • 16.9 avg MPG • Nelson Ledges Lap: 1:26

'95 Celica GT 2.2L • 5-spd • 165k miles • 0-60: yes

'98 SC Riviera • 281k miles • 298 HP/370 TQ • 0-60: 5.79s • ET: 13.97 @ 99.28 • 4087 lb • 20.1 avg MPG • Nelson Ledges Lap: 1:30
3.4" pulley • AL104 plugs • 180º t-stat • FWI w/K&N • 1.9:1 rockers • OR pushrods • LS6 valve springs • SLP headers • ZZP fuel rails
KYB GR2 struts • MaxAir shocks • Addco sway bars • UMI bushings • GM STB • Enkei 18" EV5s w/ Dunlop DZ101s • F-body calipers
EBC bluestuff/Hawk HP plus • SS lines • Brembo slotted discs • DHP tuned • Aeroforce • Hidden Hitch

^^^ SOLD ^^^ frown

'70 Ninety-Eight Holiday Coupe 455cid • 116k miles
^^^ SOLD ^^^ frown
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FAQ: Ported Blower vs. Gen V? Empty
PostSubject: Re: FAQ: Ported Blower vs. Gen V?   FAQ: Ported Blower vs. Gen V? EmptySun Jul 01, 2007 5:20 pm

they say they only want 97+ m90 blowers, why is that? do they just mean the 97+ GTP and regals? b/c i'm 90% sure the 96 and 97 rivs have the same blower, except for different vac lines.

_________________
1996 with 254k miles, L32 4" FWI -> ported N* -> Ported Gen V w/3.0" Pulley, Stage 3 Phenolic I/C, ZZP FMHE, 1.84 RR, Headers and 3" pipe to mufflers, F-body brakes, and lowered on Eibachs. -RIP
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FAQ: Ported Blower vs. Gen V? Empty
PostSubject: Re: FAQ: Ported Blower vs. Gen V?   FAQ: Ported Blower vs. Gen V? EmptyMon Jul 02, 2007 10:48 am

A 95 riv 1 engines, these have a smaller M62 Eaton blower. These are totally different the the 97+. Pontiac didnt get the L67 till 97.

There are two versions of the M90, the earlier and the 98+. The only difference is the vac line routing. The 97 has a vac tree near the boost bypass valve. You can easily convert a 97 to work on a 98+ engine and vice-versa.

Since you have a 97, just get a 97.

Also, a lot of people are converting to GENV M90 superchargers, which means this is a good time to pick up a used one for cheap.
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FAQ: Ported Blower vs. Gen V? Empty
PostSubject: Re: FAQ: Ported Blower vs. Gen V?   FAQ: Ported Blower vs. Gen V? EmptyMon Jul 02, 2007 9:23 pm

how much more efficient are the gen 5?
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FAQ: Ported Blower vs. Gen V? Empty
PostSubject: Re: FAQ: Ported Blower vs. Gen V?   FAQ: Ported Blower vs. Gen V? EmptyMon Jul 02, 2007 9:28 pm

About 20 hp worth.

_________________
'05 GTO 6.0L • 6-spd • 95k miles • 0-60: 4.8s • 16.9 avg MPG • Nelson Ledges Lap: 1:26

'95 Celica GT 2.2L • 5-spd • 165k miles • 0-60: yes

'98 SC Riviera • 281k miles • 298 HP/370 TQ • 0-60: 5.79s • ET: 13.97 @ 99.28 • 4087 lb • 20.1 avg MPG • Nelson Ledges Lap: 1:30
3.4" pulley • AL104 plugs • 180º t-stat • FWI w/K&N • 1.9:1 rockers • OR pushrods • LS6 valve springs • SLP headers • ZZP fuel rails
KYB GR2 struts • MaxAir shocks • Addco sway bars • UMI bushings • GM STB • Enkei 18" EV5s w/ Dunlop DZ101s • F-body calipers
EBC bluestuff/Hawk HP plus • SS lines • Brembo slotted discs • DHP tuned • Aeroforce • Hidden Hitch

^^^ SOLD ^^^ frown

'70 Ninety-Eight Holiday Coupe 455cid • 116k miles
^^^ SOLD ^^^ frown
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FAQ: Ported Blower vs. Gen V? Empty
PostSubject: Re: FAQ: Ported Blower vs. Gen V?   FAQ: Ported Blower vs. Gen V? EmptyMon Jul 02, 2007 9:35 pm

i saw on intense they had a ported gen 5 setup for around 500, basically paying 300 for a brand new gen 5
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FAQ: Ported Blower vs. Gen V? Empty
PostSubject: Re: FAQ: Ported Blower vs. Gen V?   FAQ: Ported Blower vs. Gen V? EmptyMon Jul 02, 2007 11:51 pm

anyone know how long it takes them to port your blower and return it too you?
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FAQ: Ported Blower vs. Gen V? Empty
PostSubject: Re: FAQ: Ported Blower vs. Gen V?   FAQ: Ported Blower vs. Gen V? EmptyTue Jul 03, 2007 12:27 am

I was worried about that too, i'd have to find alternative transportation :>
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FAQ: Ported Blower vs. Gen V? Empty
PostSubject: Re: FAQ: Ported Blower vs. Gen V?   FAQ: Ported Blower vs. Gen V? EmptyTue Jul 03, 2007 8:49 am

Or you can buy a core blower housing on clubgp for $70 then sell your old S/C casing on club gp.
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FAQ: Ported Blower vs. Gen V? Empty
PostSubject: Re: FAQ: Ported Blower vs. Gen V?   FAQ: Ported Blower vs. Gen V? EmptyTue Jul 03, 2007 11:09 am

AA wrote:
About 20 hp worth.


I've also read that you need to be much more careful about pulley swaps with a Gen V, because it is so much more efficient than our older M90's. Something like a 3.6 on a Gen V is like putting a 3.4 on a Gen 3 blower?
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FAQ: Ported Blower vs. Gen V? Empty
PostSubject: Re: FAQ: Ported Blower vs. Gen V?   FAQ: Ported Blower vs. Gen V? EmptyTue Jul 03, 2007 12:10 pm

Interesting. I've heard from a good source that some Gen V GTPs have KR in stock form. It's probably why they made the 3.5"/3.6". Used to be the 3.4" was the biggest.

_________________
'05 GTO 6.0L • 6-spd • 95k miles • 0-60: 4.8s • 16.9 avg MPG • Nelson Ledges Lap: 1:26

'95 Celica GT 2.2L • 5-spd • 165k miles • 0-60: yes

'98 SC Riviera • 281k miles • 298 HP/370 TQ • 0-60: 5.79s • ET: 13.97 @ 99.28 • 4087 lb • 20.1 avg MPG • Nelson Ledges Lap: 1:30
3.4" pulley • AL104 plugs • 180º t-stat • FWI w/K&N • 1.9:1 rockers • OR pushrods • LS6 valve springs • SLP headers • ZZP fuel rails
KYB GR2 struts • MaxAir shocks • Addco sway bars • UMI bushings • GM STB • Enkei 18" EV5s w/ Dunlop DZ101s • F-body calipers
EBC bluestuff/Hawk HP plus • SS lines • Brembo slotted discs • DHP tuned • Aeroforce • Hidden Hitch

^^^ SOLD ^^^ frown

'70 Ninety-Eight Holiday Coupe 455cid • 116k miles
^^^ SOLD ^^^ frown
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FAQ: Ported Blower vs. Gen V? Empty
PostSubject: Re: FAQ: Ported Blower vs. Gen V?   FAQ: Ported Blower vs. Gen V? EmptyTue Jul 03, 2007 12:24 pm

interesting...i wonder what could be causing the KR on a more efficient blower? isn't the air charge cooler with the gen V due to less parasitic loss?
all cars have KR at some point, thats why they invented the knock sensors, but just how much tuning is required on the avg. car off the plant line? the world may never know... but i'm guessing cars would last longer if they did check each one.
(i know they run every vette on a dyno to make sure it's within the hp/tq range but does anyone know if they do that for all cars?)

_________________
1996 with 254k miles, L32 4" FWI -> ported N* -> Ported Gen V w/3.0" Pulley, Stage 3 Phenolic I/C, ZZP FMHE, 1.84 RR, Headers and 3" pipe to mufflers, F-body brakes, and lowered on Eibachs. -RIP
AMG C400 White on black. Stage 2 w/E30 - 11.9@117 -daily
FAQ: Ported Blower vs. Gen V? Dsc_0110
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FAQ: Ported Blower vs. Gen V? Empty
PostSubject: Re: FAQ: Ported Blower vs. Gen V?   FAQ: Ported Blower vs. Gen V? EmptyTue Jul 03, 2007 12:39 pm

I don't know if most cars are dynoed for max power, but many are checked up to a point. I watched the Civic being manufactured at the Marysville, OH plant. They were coming off the line close to two cars per minute, and each one was driven onto a dyno and taken up to a pretty high speed, at least 80 mph. I think they were measuring parameters vs. speed, vs. transmission behavior, but I'm sure power could also be evaluated.

The Gen V is more efficient, but it also moves more air, so more fuel needs to be added. If the PCM wasn't updated sufficiently, I can see how KR could happen. There's evidently something going on, as I found this info inside Wikipedia's Buick V6 entry:

"The L32 is a supercharged Series III. Introduced in 2004, the main differences between the L67 and the L32 is the L32's electronic throttle control, slightly improved cylinder head design, and updated Eaton supercharger, the Generation 5 M90. HP output is up to 260 hp in the Grand Prix GTP, though an inferior fuel supply system, and excessive torque management in the PCM, results in the 2004+ being no faster than the 1997-2003 Grand Prix GTP in stock form."

Here's a cool write-up for swapping to the Gen V:

http://www.davetech.net/car-gen5.htm

_________________
'05 GTO 6.0L • 6-spd • 95k miles • 0-60: 4.8s • 16.9 avg MPG • Nelson Ledges Lap: 1:26

'95 Celica GT 2.2L • 5-spd • 165k miles • 0-60: yes

'98 SC Riviera • 281k miles • 298 HP/370 TQ • 0-60: 5.79s • ET: 13.97 @ 99.28 • 4087 lb • 20.1 avg MPG • Nelson Ledges Lap: 1:30
3.4" pulley • AL104 plugs • 180º t-stat • FWI w/K&N • 1.9:1 rockers • OR pushrods • LS6 valve springs • SLP headers • ZZP fuel rails
KYB GR2 struts • MaxAir shocks • Addco sway bars • UMI bushings • GM STB • Enkei 18" EV5s w/ Dunlop DZ101s • F-body calipers
EBC bluestuff/Hawk HP plus • SS lines • Brembo slotted discs • DHP tuned • Aeroforce • Hidden Hitch

^^^ SOLD ^^^ frown

'70 Ninety-Eight Holiday Coupe 455cid • 116k miles
^^^ SOLD ^^^ frown
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FAQ: Ported Blower vs. Gen V? Empty
PostSubject: Re: FAQ: Ported Blower vs. Gen V?   FAQ: Ported Blower vs. Gen V? EmptyTue Jul 03, 2007 1:46 pm

The VCM tables are ridiculous if you've ver seen all of them. Its twice as crazy for an LS6. Installing a GenV is easy, you just need to get an L32 manifold or cut out an l67 manifold. Tuning could be more difficult, but the big change is the VE tables. The boost curve is going to change. As for what is better, The Gen V all the way!!! if you look inside one, youll know why.
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FAQ: Ported Blower vs. Gen V? Empty
PostSubject: Re: FAQ: Ported Blower vs. Gen V?   FAQ: Ported Blower vs. Gen V? EmptyTue Jul 03, 2007 4:02 pm

thanks for all the info guys, especially that guide, i'd rather save the money for a gen 5 and then have it ported rather then have my gen 3 ported and end up wanting a gen 5 later on down the road..
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FAQ: Ported Blower vs. Gen V? Empty
PostSubject: Re: FAQ: Ported Blower vs. Gen V?   FAQ: Ported Blower vs. Gen V? EmptyTue Jul 03, 2007 4:28 pm

That's one way of looking at it. The other is that you'll need a different LIM ($) to use the Gen V ($), and the porting ($) vs. the cost of just porting the blower you have. Ported Gen III = almost as good as ported Gen V for less $.

If money is no object, why not go M112 or whipple?

_________________
'05 GTO 6.0L • 6-spd • 95k miles • 0-60: 4.8s • 16.9 avg MPG • Nelson Ledges Lap: 1:26

'95 Celica GT 2.2L • 5-spd • 165k miles • 0-60: yes

'98 SC Riviera • 281k miles • 298 HP/370 TQ • 0-60: 5.79s • ET: 13.97 @ 99.28 • 4087 lb • 20.1 avg MPG • Nelson Ledges Lap: 1:30
3.4" pulley • AL104 plugs • 180º t-stat • FWI w/K&N • 1.9:1 rockers • OR pushrods • LS6 valve springs • SLP headers • ZZP fuel rails
KYB GR2 struts • MaxAir shocks • Addco sway bars • UMI bushings • GM STB • Enkei 18" EV5s w/ Dunlop DZ101s • F-body calipers
EBC bluestuff/Hawk HP plus • SS lines • Brembo slotted discs • DHP tuned • Aeroforce • Hidden Hitch

^^^ SOLD ^^^ frown

'70 Ninety-Eight Holiday Coupe 455cid • 116k miles
^^^ SOLD ^^^ frown
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FAQ: Ported Blower vs. Gen V? Empty
PostSubject: Re: FAQ: Ported Blower vs. Gen V?   FAQ: Ported Blower vs. Gen V? EmptyTue Jul 03, 2007 4:32 pm

oh money is very much an object, 19 living on my own is tough lol, but if the gen 5 is good for 20 hp, that's quite a gain
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FAQ: Ported Blower vs. Gen V? Empty
PostSubject: Re: FAQ: Ported Blower vs. Gen V?   FAQ: Ported Blower vs. Gen V? EmptyTue Jul 03, 2007 4:35 pm

AA wrote:
That's one way of looking at it. The other is that you'll need a different LIM ($) to use the Gen V ($), and the porting ($) vs. the cost of just porting the blower you have. Ported Gen III = almost as good as ported Gen V for less $.

If money is no object, why not go M112 or whipple?

It doesnt cost anything to cut the hole bigger in the manifold if you already have 3 dremels and multiple cutoff wheels. I wouldnt even bother porting the intake manifold. the design is so crappy that no amount of porting is going to achieve and greater power. I left mine stock and ported my cylinder heads so that the overlap prevented blowback. If money is no object, its turbo all the !!!!!
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FAQ: Ported Blower vs. Gen V? Empty
PostSubject: Re: FAQ: Ported Blower vs. Gen V?   FAQ: Ported Blower vs. Gen V? EmptyTue Jul 03, 2007 4:42 pm

quote: "If money is no object, its turbo all the !!!!!"

Except for being a functional daily driver, can't argue with that!

_________________
'05 GTO 6.0L • 6-spd • 95k miles • 0-60: 4.8s • 16.9 avg MPG • Nelson Ledges Lap: 1:26

'95 Celica GT 2.2L • 5-spd • 165k miles • 0-60: yes

'98 SC Riviera • 281k miles • 298 HP/370 TQ • 0-60: 5.79s • ET: 13.97 @ 99.28 • 4087 lb • 20.1 avg MPG • Nelson Ledges Lap: 1:30
3.4" pulley • AL104 plugs • 180º t-stat • FWI w/K&N • 1.9:1 rockers • OR pushrods • LS6 valve springs • SLP headers • ZZP fuel rails
KYB GR2 struts • MaxAir shocks • Addco sway bars • UMI bushings • GM STB • Enkei 18" EV5s w/ Dunlop DZ101s • F-body calipers
EBC bluestuff/Hawk HP plus • SS lines • Brembo slotted discs • DHP tuned • Aeroforce • Hidden Hitch

^^^ SOLD ^^^ frown

'70 Ninety-Eight Holiday Coupe 455cid • 116k miles
^^^ SOLD ^^^ frown
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