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Carburetors Carb discussion and questions. Upgrading a Third Gen carburetor, swapping TBI to carburetor, or TPI to carburetor? Need LG4 or H.O. info? Post it here.

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Old 02-14-2006, 11:23 PM   #1
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Join Date: Apr 2002
Location: Fort Rucker, AL
Posts: 1,129
Car: 84 Z28 Convertible 2 Seater
Engine: SBC 408
Transmission: Pro-built Automatics Street/Strip 7

Classifieds Rating: (1)
Patrick James Carburetor

I just bought a carb from this guy and have not notice too many people on this site that runs one of his carburetor. This guy is a pleasure to talk to and his customer service is beyond reaproached. They are a little expensive $699.99, but from what I have read and told by other you cannot go wrong with this guy. I have had too many tuning issue with the Barry Grant Speed Demon 750. I could not get this carb to stop being rich one day, lean the next. The idle would jump all over, but this was the wrong carb for my application. I'm just happy that I will be getting a carb that was built specific for my application and the word is there is little tuning need after Patrick has put his hands on your carb.

Here is an email I got back from Patrick:

Hi David,

For best performance, we can build you one of our XC
series HP double pumpers priced at only $690 that
offers great bang for the buck, incredibly quick
throttle response and can be set up to be perfect for
your application.

It has our adjustable air bleed configuration,
non-stick gaskets, drag float, jet extensions, 1000 HP
size red billet baseplate (for more top end charge) ,
a complete wet-flow portfolio, a real sharp piece with
stepped dog leg boosters, hi-flow needle and seats and
an aggressive race fuel curve. Just bolt on and go.
Typically I see a 10-30 hp improvement over an off the
shelf unit with much better consistency, driveability
and if the need arises you can spray it up to a 350
shot.

We'll size it for the exact cfm range when it is on
the wet flow bench to match your programs needs. But
it'll probably end up being in the 840-860 REAL cfm
range.

Just e or call me with a Credit Card # when you're
ready and I can get it built. We are on a 5-6 day
build time.

Glad to be your builder David. : )

Patrick James
www.prosystemsracing.com
727-490-5717
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__________________
84 Z28 Camaro 2 Seater Convertible Roadster
Dart Little-M SBC 400 bored 4.165 bore; Scat Forge 4340 Int. Balance Crank 3.750 stroke; Wiseco "Pro-Tru" Forge Flattop Pistons -5.4cc; Eagle H-Beam 6" Rods; PRO-SYSTEM XC-4150 Carb; AFR 195 Eliminator Competition Package Heads; Bullet Solid Flat Tappet Cam 275/279 247/251@.050, 565/577 lift, 108 lsa; March Performance Serpentine Conversion Kits; Hooker#2210 Super Comp. Ceramic Coated 1 3/4 Headers; Ceramic Coated 3" Mandrel Bend Custom Y-Pipe; McCord 3" Eletrical Cutouts; Pro-Built Automatics 700R4; 9.5" A.C.T. 3000; S.S. Strange Engineering 12 Bolt 3:73 Super Posi Rear End; Custom 3" Chromemoly Driveshaft 1350 yoke & U-Joints; Spohn-Torque Arm; LCA; Panhard Rod; Sway Bar Kit & Wonder Bar;
(No E.T.) "Check out the Photos" http://community.webshots.com/user/dtl504

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Old 02-15-2006, 11:15 AM   #2
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Join Date: Jul 2004
Location: Calgary, AB, Canada
Posts: 10,469
Car: 1982 Trans-Am
Engine: 355 w/ ported 416s
Transmission: T10, hurst shifter
Axle/Gears: 10 bolt, true-trac, 3.73

Classifieds Rating: (1)
have you put it on and set it up yet?

This might be a good post to also put in the aftermarket vendor / product board. I've never even heard of this guy/company.
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Old 02-15-2006, 06:49 PM   #3
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Join Date: Apr 2002
Location: Fort Rucker, AL
Posts: 1,129
Car: 84 Z28 Convertible 2 Seater
Engine: SBC 408
Transmission: Pro-built Automatics Street/Strip 7

Classifieds Rating: (1)
Quote:
Originally posted by Sonix
have you put it on and set it up yet?

This might be a good post to also put in the aftermarket vendor / product board. I've never even heard of this guy/company.
He is well know in the hard-core race community and they love the technical support. I have had a great pre sale customer service and this what happen. I emailed called Patrick Sunday morning and received a reply mid-day which is attached to the orginal post. On Monday i call hin during lunch and he eating nd tell me that he woulod call me back when he get back to the shop. Well i'm on my way to the gym and just figure I would call him back after. Well not so fast grasshopper, He call and leave a message at 1:02 pm then call back about an 1/2 hour later and leave another message to make sure I received the first message, but at that time I was in the shower. I finish my personal hygene and return the call, but get his answering machine saying he on the dyno and would return the call. about 7 minutes later he call me back with the tech sheet that I had email me and talked about the combo and he was going to work late Monday night and get that carb in the mail Tuesday. Yesterday my card get charge and he call me to let me know it will be here Friday. With that being said I think this guy is top notch in not only knowledge but customer service, which is very important. Yes the carb is expensive , but not that much more than a Holley Hp off the shelf. This will be setup on his computer and flowed especially for my combo NOT a generic application as most off the shelf.
__________________
84 Z28 Camaro 2 Seater Convertible Roadster
Dart Little-M SBC 400 bored 4.165 bore; Scat Forge 4340 Int. Balance Crank 3.750 stroke; Wiseco "Pro-Tru" Forge Flattop Pistons -5.4cc; Eagle H-Beam 6" Rods; PRO-SYSTEM XC-4150 Carb; AFR 195 Eliminator Competition Package Heads; Bullet Solid Flat Tappet Cam 275/279 247/251@.050, 565/577 lift, 108 lsa; March Performance Serpentine Conversion Kits; Hooker#2210 Super Comp. Ceramic Coated 1 3/4 Headers; Ceramic Coated 3" Mandrel Bend Custom Y-Pipe; McCord 3" Eletrical Cutouts; Pro-Built Automatics 700R4; 9.5" A.C.T. 3000; S.S. Strange Engineering 12 Bolt 3:73 Super Posi Rear End; Custom 3" Chromemoly Driveshaft 1350 yoke & U-Joints; Spohn-Torque Arm; LCA; Panhard Rod; Sway Bar Kit & Wonder Bar;
(No E.T.) "Check out the Photos" http://community.webshots.com/user/dtl504

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Old 02-20-2006, 09:14 PM   #4
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Join Date: Apr 2002
Location: Fort Rucker, AL
Posts: 1,129
Car: 84 Z28 Convertible 2 Seater
Engine: SBC 408
Transmission: Pro-built Automatics Street/Strip 7

Classifieds Rating: (1)
Just received my carb today and all I can say is WOW.....
This carb is awesome with a 950Hp main body. He told me it would be close to a 1000 just to get the upper rpm, but im ok with the 950...
I will install it once the weather clear up here in Tx.
Dave
__________________
84 Z28 Camaro 2 Seater Convertible Roadster
Dart Little-M SBC 400 bored 4.165 bore; Scat Forge 4340 Int. Balance Crank 3.750 stroke; Wiseco "Pro-Tru" Forge Flattop Pistons -5.4cc; Eagle H-Beam 6" Rods; PRO-SYSTEM XC-4150 Carb; AFR 195 Eliminator Competition Package Heads; Bullet Solid Flat Tappet Cam 275/279 247/251@.050, 565/577 lift, 108 lsa; March Performance Serpentine Conversion Kits; Hooker#2210 Super Comp. Ceramic Coated 1 3/4 Headers; Ceramic Coated 3" Mandrel Bend Custom Y-Pipe; McCord 3" Eletrical Cutouts; Pro-Built Automatics 700R4; 9.5" A.C.T. 3000; S.S. Strange Engineering 12 Bolt 3:73 Super Posi Rear End; Custom 3" Chromemoly Driveshaft 1350 yoke & U-Joints; Spohn-Torque Arm; LCA; Panhard Rod; Sway Bar Kit & Wonder Bar;
(No E.T.) "Check out the Photos" http://community.webshots.com/user/dtl504

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Old 02-20-2006, 10:43 PM   #5
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Join Date: Apr 2002
Location: Fort Rucker, AL
Posts: 1,129
Car: 84 Z28 Convertible 2 Seater
Engine: SBC 408
Transmission: Pro-built Automatics Street/Strip 7

Classifieds Rating: (1)
I just decided to type all the specs of my new carb, Expensive but nice...

XC IR 35-6RR
Main Body Desc. 950 HP ACC 28
Booster D/Desc. 4785 ADJ SEC BL-T
Metering Block # 11180 EM 28A-283U
A/F-WD 6040 FL 609-451A
P/S- Pump 50/30 NS 18318
P/S Sqrtr 45/45 Plate # 180-180-.080

Primary Venturi Specs: Secondary Venturi Specs:
Baseline lean-rich Baseline lean-rich
Main Jet 76 72-78 Main Jet 86 83-89
Hi Air 36 40-32 Hi Air 36 40-32
Idle Air 76 80-60 Idle Air 73 80-60
Idle Feed 35P Idle Feed 35P
PV Feed 60 PV Feed 55
PV Feed 6.5 PV Feed PL

Primary Jet - 76 Secondary Jet - 86

Static Draw Test ID 7
300 862 104 VENT 14
350 886 121 DECK 207
400 904 160

Quantity Item Code Description Price Each Amount
1 950 950HP Main Body $104.11 $104.11
4150-1 Comp 4150 Body/Springs/Arms/Clips/Bowls $77.22 $77.22
4150-2 Comp 4150 Bracket/Seals/Gasket/Pivot $22.53 $22.53
4150-3 Comp-4150 Linkage/Metering/PV/Shaft/Plugs $38.52 $77.04
2 11180 Custom Metering Block $11.70 $11.70
1 30.1 30cc Pump/Cam Kit $16.81 $16.81
1 50.1 50cc Pump/Cam Kit $86.12 $86.12
1 41452 Plate, Base 1 3/4 $2.40 $9.60
4 4829 Plate 180 $1.27 $1.27
1 4813 Gasket, Baseplate $12.50 $12.50
1 16451A Drag Float 12.5 Gram E-Balanced $5.48 $21.92
4 4785 Booster HP High Signal/Shear .156 $45.00 $148.50
1.2 S2 Wet Flow/Calibrate $45.00 $54.00
1 UPS Shipping Fees/Insurance Boxed $9.00 $9.00


TOTAL $699.00
__________________
84 Z28 Camaro 2 Seater Convertible Roadster
Dart Little-M SBC 400 bored 4.165 bore; Scat Forge 4340 Int. Balance Crank 3.750 stroke; Wiseco "Pro-Tru" Forge Flattop Pistons -5.4cc; Eagle H-Beam 6" Rods; PRO-SYSTEM XC-4150 Carb; AFR 195 Eliminator Competition Package Heads; Bullet Solid Flat Tappet Cam 275/279 247/251@.050, 565/577 lift, 108 lsa; March Performance Serpentine Conversion Kits; Hooker#2210 Super Comp. Ceramic Coated 1 3/4 Headers; Ceramic Coated 3" Mandrel Bend Custom Y-Pipe; McCord 3" Eletrical Cutouts; Pro-Built Automatics 700R4; 9.5" A.C.T. 3000; S.S. Strange Engineering 12 Bolt 3:73 Super Posi Rear End; Custom 3" Chromemoly Driveshaft 1350 yoke & U-Joints; Spohn-Torque Arm; LCA; Panhard Rod; Sway Bar Kit & Wonder Bar;
(No E.T.) "Check out the Photos" http://community.webshots.com/user/dtl504

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