06-29-2008, 08:23 PM
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#61
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Registered User
Join Date: Dec 2006
Location: Long Island, NY
Posts: 6
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Re: Gauging interest for aftermarket spider>MPFI conversion manifold
I want one bad! Was just thinking about ripping the current system out and fully replacing the whole system with a carb
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06-30-2008, 06:50 AM
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#62
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HittingBadPitchesSince82
Join Date: Feb 2007
Location: The Republic of Texas
Age: 27
Posts: 590
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Re: Gauging interest for aftermarket spider>MPFI conversion manifold
Quote:
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Originally Posted by Blazerguy
Heck, I'd prolly stay with a L31 instead of swapping to an L29 if a decent intake was available. I'd buy one on the spot if one was available.
As I see it, the current L31 options are the marine intake or the ramjet350 intake "kit"...which is $1400.
The SuperRam is another option but it (like the TPI) would force you to ditch your AC...or go to the older R4 AC compressor & accessory drive setup. All of these would require redoing the air intake tubing from the air filter to the engine.
Another option, but I fear it would give up waaay too much low end torque...and would not be a total bolt on.
Edelbrock manifold P/N 29135
Edelbrock fuel rails P/N 3631
Edelbrock intake elbow P/N 3849
Total cost thru Summit $510.29 plus shipping. The intake elbow would give a bit more plenum volume but I'm not sure it would help much with low end torque...especially with those short 2.6" cross section runners. I mean, that intake is a super victor for the vortec heads. While it will bolt up just fine that intake is more intended for the 3500-8500 rpm range. With the elbow you would have more room to drill & tap for vacuum lines going to everything. You could put a port on there for the EGR valve. Certainly not a bolt on, but another difficult solution....cheaper than the marine intake but would require some fabrication.
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That is a nice alternative for someone who has no plans of adding a "stock" blower or turbo setup. One of the only reasons people use the marine manifold it because it keeps the throttle body in the stock location.
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'97 GMC ECSB GMT400
Andrew
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06-30-2008, 07:31 AM
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#63
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Registered User
Join Date: Mar 2004
Location: Tea, SouthDakota
Age: 43
Posts: 93
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Re: Gauging interest for aftermarket spider>MPFI conversion manifold
Quote:
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Originally Posted by atenisplyr
One of the only reasons people use the marine manifold it because it keeps the throttle body in the stock location.
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wrong..its because you are no longer limited to the 19LBS injectors.
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99 Tahoe
built forged 383 4 bolt
LTs
built 4l60e
EFILive
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06-30-2008, 07:32 AM
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#64
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HittingBadPitchesSince82
Join Date: Feb 2007
Location: The Republic of Texas
Age: 27
Posts: 590
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Re: Gauging interest for aftermarket spider>MPFI conversion manifold
That was versus the edelbrock setup dude. Obviously that's another reason too.
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'97 GMC ECSB GMT400
Andrew
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07-01-2008, 05:35 PM
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#65
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Registered User
Join Date: Jun 2008
Location: massachusetts
Posts: 1
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Re: Gauging interest for aftermarket spider>MPFI conversion manifold
New member here, signed up just to say Id buy one if it was available. Ive been thinking about doing the Marine intake conversion, But would be willing to pay more for ease of installation.
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07-01-2008, 06:15 PM
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#66
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Hired Goon
Join Date: Mar 2007
Location: UT
Age: 28
Posts: 1,598
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Re: Gauging interest for aftermarket spider>MPFI conversion manifold
Quote:
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Originally Posted by atenisplyr
That was versus the edelbrock setup dude. Obviously that's another reason too.
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keeping the TB in its stock place, being able to change injectors to whatever you want, removing all that crap obstructing the airflow in the plenum, getting rid of that plastic upper plenum, keeping a stock appearance to fool the man, lots of good reasons for the marine. I've also heard that the marine's quality of construction was superior than, and there were a little less modifications needed than, the other brands like edelbrock or holly's MPFI setups.
BTW welcome to the forum smokeshow_2006
__________________
'96 C1500 ECSB, 5.7L the "LS31", T56, 411 PCM, EFILive self-tuned, LC-1, Distributorless 24x CNP, LS2 coils, ZZ4 cam, Custom MPFI, RHS heads, Intercooled Whipple, Hydroboost, headers, Mark VIII Fan, catback, Detroit Truetrac, 3.73, sound deadened, DEH-P600UB, Polk comps/10", kicker amps.
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07-02-2008, 05:16 AM
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#67
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Army signal geek
Join Date: May 2008
Location: Kansas City/ Fort Drum/ the sandbox
Posts: 51
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Re: Gauging interest for aftermarket spider>MPFI conversion manifold
The marine manifold does look pretty good when you compare some of the alternatives. No matter what route you go by the time you are done the price difference is pretty negligible. Factor in the aforementioned reasons and it would seem that the most viable alternative is the marine intake. If someone isn't afraid of fabbing stuff or not looking like stock, then the window of viable alternatives increases.
It would be nice to have a decent aftermarket alternative that is more of a bolt-on than what is currently out there.
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08-01-2008, 06:22 PM
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#68
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duramax
Join Date: Nov 2005
Location: SF bay area
Posts: 187
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Re: Gauging interest for aftermarket spider>MPFI conversion manifold
i know this will never happen but im in if it does
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08-05-2008, 08:04 PM
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#69
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Registered User
Join Date: Aug 2008
Location: Utah
Posts: 1
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Re: Gauging interest for aftermarket spider>MPFI conversion manifold
I am a newbie here...but would also be very interested.
Is someone talking with a manufacturer? or are we just hoping they read the thread?
I suspect (as was said earlier) that if they thought they could make it and make money, they would likely have done it by now.
Here's hoping their market studies just missed this one.
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08-09-2008, 03:04 AM
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#70
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Registered User
Join Date: Nov 2006
Location: seattle
Age: 49
Posts: 160
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Re: Gauging interest for aftermarket spider>MPFI conversion manifold
Somebody should post this question on the new Edelbrock user group, it looks like some of the factory guys are the moderators. http://forums.edelbrock.com/forums/index.php
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"If people concentrated on th really important things in life, there'd be a shortage of fishing poles" Doug Larson 92 K1500, 5.7 with Edelbrock 3502 MPFI, Tri Wye Headers, Air Raid cold air intake, Blood Enterprises custom chip
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08-09-2008, 01:32 PM
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#71
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Green is Mean
Join Date: Dec 2006
Location: Fort Smith AR
Age: 24
Posts: 242
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Re: Gauging interest for aftermarket spider>MPFI conversion manifold
I just signed up on that, I'll post something.
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08-09-2008, 01:56 PM
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#72
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duramax
Join Date: Nov 2005
Location: SF bay area
Posts: 187
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Re: Gauging interest for aftermarket spider>MPFI conversion manifold
Quote:
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Originally Posted by fiream400
I just signed up on that, I'll post something.
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link the post over here so we can follow it
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08-09-2008, 02:19 PM
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#73
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Green is Mean
Join Date: Dec 2006
Location: Fort Smith AR
Age: 24
Posts: 242
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Re: Gauging interest for aftermarket spider>MPFI conversion manifold
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08-13-2008, 05:42 PM
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#74
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Registered User
Join Date: Dec 2006
Location: Stockbridge/Forsyth, Ga.
Posts: 1,334
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Re: Gauging interest for aftermarket spider>MPFI conversion manifold
Have we heard yet!? Have we heard yet!?
__________________

'98 ECSB, Edel Headers, Magnaflow Cats/CatBack
K&N,Pully, Ign.Kit, D/S Rotors, SS Lines
BB 89 Tune
http://photobucket.com/R3215T3R/
(Toyvrolet Drag Truck/S-10 Drag Truck)Pics.
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08-13-2008, 09:13 PM
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#75
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Green is Mean
Join Date: Dec 2006
Location: Fort Smith AR
Age: 24
Posts: 242
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Re: Gauging interest for aftermarket spider>MPFI conversion manifold
They said they would pass it on for review. If I had a giant performance company I would make parts for every version of the gen 1. There are bolt on intake manifolds for every gen 1 except vortecs. Maybe there isn't a huge market for it but a company could corner the small market that there is, with some creativity it could probably even be based on the tpi or lt1 lower manifolds.
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08-14-2008, 02:27 PM
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#76
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Registered User
Join Date: Sep 2006
Location: Tennessee
Age: 34
Posts: 803
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Re: Gauging interest for aftermarket spider>MPFI conversion manifold
Count me in!
__________________
'96 Tahoe...5.7 Vortec...4wd...~175,000...Stock
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08-22-2008, 12:35 PM
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#77
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Army Humvee Mechanic
Join Date: Jun 2008
Location: Ft. Bragg, NC / Eufaula, OK
Age: 29
Posts: 131
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Re: Gauging interest for aftermarket spider>MPFI conversion manifold
I'm like a kid at a candy store drooling over the thought of this being a reality. I WANT! I WANT!
My yard ornament (96 RCSB) @ 170k and a blown up 305 is in the mood for a good upgrade. Just hoping the NV3500 holds up to power... That's my only prob is noone can tell me if the NV3500 is a total POS or do I need to throw it in the pile with the engine and put in the NV4500?
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08-22-2008, 11:27 PM
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#78
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formerly 133
Join Date: Nov 2005
Location: Far away from YOU
Posts: 2,386
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Re: Gauging interest for aftermarket spider>MPFI conversion manifold
Im going either carbed or throwing a 396 in it.
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09-08-2008, 05:37 PM
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#79
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Registered User
Join Date: Sep 2005
Location: Orlando, Fl
Age: 30
Posts: 32
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Re: Gauging interest for aftermarket spider>MPFI conversion manifold
I would love to do this to my truck, since my stock setup is whack. I am going to buy the updated version soon if this doesnt go through, its like under $300 from gm.
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09-08-2008, 05:56 PM
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#80
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duramax
Join Date: Nov 2005
Location: SF bay area
Posts: 187
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Re: Gauging interest for aftermarket spider>MPFI conversion manifold
this will never happen
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