GM Electronic Fuel Injection
A stoker motor using a TPI will need bigger injectors, a custom chip, and any mod you can afford such as a bigger manifold and runners, and a larger throttle body.
A stock GM TPI can support about 420BHP.
TPI-500
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This is a NEW Aftermarket not a rebuilt system, but all new designed for the high performance market will Big Tube Runners. Will support over 500bhp
PaintED pretty like the one  $2400
Here is what your $2100 system will include.
- Comes complete with Upper and lower intake manifold
- Throttle body
- Full function, closed loop Fuel injectors to match your project
- Fuel rail and fuel pressure regulator
- ECM and specially AFI calibrated chip
- Electric fuel pump (externally mounted) with filter
- Custom built wiring harness
- all required sensors and relays
- EFI distributor
- Installation instructions
- Tech support
- Many miles of low maintenance fuel injection operation
Options Available:
Heated O2 $50
Painted any color $400
Programmable ECM with software $350
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Call 760-247-0690 or write strokerengine@hotmail.com for more details.
MPFI-SDS 2V or 4V
(SBC)(SBF)(etc)
Here is what your system will include.
- Full function, closed loop MPFI system includes
- Intake manifold with fuel injectors to match your project
- Fuel rail and fuel pressure regulator
- 600, 700 cfm two barrel or 1000 cfm four barrel throttle body
- Fuel pump relay
- ECM and specially AFI calibrated chip
- External fuel pump with filter
- Custom built wiring harness and all required sensors
- Large or small cap Fully electronic HEI distributor
- Installation instructions
- Tech support
- Many miles of low maintenance fuel injection operation
Chevy small block 600 cfm two barrel $1850. 450bhp
Chevy small block 700 cfm two barrel $2000. 550bhp
Chevy small block 1000 cfm four barrel $2220. ???
Chevy Vortec head 600 cfm two barrel $2150.
Chevy Vortec head 700 cfm two barrel $2400.
Chevy Vortec head 1000 cfm four barrel $2450.
Chevy big block 700 cfm two barrel $2300.
Chevy big block 1000 cfm four barrel $2600.
Chevy big block 502 1000 cfm four barrel and 36# injectors $3100.
MPFI-MAF-4V (SBC)(SBF)(etc)
THE WORLD'S ONLY TRUE PLUG AND PLAY FUEL INJECTION SYSTEM!
NO TUNING, NO PROGRAMMING, NO DYNO, NO HASSLES!
UNMATCHED DRIVABILITY, INCREDIBLE FUEL ECONOMY!
$3150
Ford & Mopar Systems are also available
A Mini Ram the same thing but fully modified can support 480BHP
Holley Commander 950 Multi-Point fuel injection system 91004101 $2400
Chevrolet: 262-400, with standard port heads, will support up to 450-550 HP
Chevrolet: 262-400, with standard port heads, will support up to 450-550 HP, square flange, 30 lb.-hr. injectors, Commander 950 Multi-Point fuel injection system
Now you can get the horsepower and drivability benefits of EFI for your carbureted V8 with this Holley Commander 950 Multi-Point fuel injection system. This system is a speed density type system, which means it improves performance at cruising RPMs as well as throttle response. It also accepts engine modifications like a bigger cam, headers, etc. But the big deal is that the system is fully programmable. It gives you total control over fuel and timing curves via a laptop computer. Included in the kit is an intake manifold, a billet throttle body unit with a progressive linkage, injectors, billet fuel rails, TPS, MAP, coolant temperature, oxygen, and IAC sensors, Commander 950 ECU, an inline fuel pump, a wiring harness, and installation hardware.
 Commander 950 Multi–Point InjectionSystems are designed to convert carbureted, non–emission, non–computerized Chevrolet Small Block engines to modern, fully programmable Multi–Point injection. These are complete systems that are engineered to provide all the components and hardware needed for your custom installation. The aluminum intake manifold, billet aluminum throttle body, billet rails, injectors and related miscellaneous parts are partially assembled and tested prior to packaging. Holleytakes this extra step in quality assurance to verify the performance, quality and integrity of the system. With the addition of Commander 950 electronics, Holleymulti–point Injectionsystems offer more features, performance, greater system tunability and outright good looks. That translates to the best value on the market today. Whether your engine is stock, crate or custom–built, a HolleyCommander 950 Multi–Point Injectionsystem can help maximize it's Performanceand make your driving a lot more enjoyable.
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.jpg) Chevrolet: 265-400, 24-42 pph injectors, 385-480 HP range, satin finish, Stealth Ram MPFI system 300-670BHP Range
Tunnel ram design helps to build power. The plenum and runner designs promote excellent mid-range torque along with outstanding high RPM power. Available polished finish helps you look good.
Commander 950TM software and electronics helps you get down the road in no time.
System Features
Fits early and late(*) model 23° Chevrolet cylinder heads
Computer controlled timing available using 1984-1996 GM external coil distributor (billet Holley version available under P/N 890-160).
Base maps for various combinations to get you started
Designed to use GM TPI throttle and transmission cables and brackets
(*) Requires angled bolt spacers, P/N 90748
$2400
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$3500
Street Ram Big Block Oval
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 Edelbrock Pro-Flow System $2170
Chevrolet: 1957-1986 262-400, 4V, 1,000 cfm, 1,500 to 7,000 rpm, Performer RPM Pro-Flo EFI system
This high-performance multi-point electronic fuel injection system includes everything you need to convert a carbureted small-block Chevy to multi-point fuel injection.This Performer RPM Pro Flo EFI system uses a sequential firing speed/density system for control over fuel and spark. With this system you get total engine control. The result is instant throttle response throughout the rpm range, excellent fuel economy with incredible horsepower, smooth engine operation and improved cold starting.
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______________________________________________________________________Fuel Injection Kit for Small Block Chevy
1990 Speed Densty (no MAS) Complete Rebuilt Stand Alone System $2500
This stock system is a completely reconditioned stock TPiS system, good for mild cam 305-350-383ci motors.
High Performance system is a modified system that also includes our Big Mouth manifold, a 52mm throttle body, a Level V PROM and new Bosch fuel injectors. Can support 500bhp motors System $3800
Many EFI specialist believe the GM MAS is better than the aftermarket units currently available.
 TPiS Mini Ram System $3800
Mini-Ram system is a complete system which is extremely versatile. With a low-profile and exceptional performance, the Mini-Ram will work for a wide range of installation configurations and motor options. Includes a Level VI PROM and new Bosch fuel injectors. Great for modified motors 350ci or bigger.
All systems include fuel pump, custom wire harness, computer Prom, all relays, injectors (cleaned and blue printed), new TPS, MAT, knock sensor, Oxygen sensor with bung, IAC, TPiS adjustable fuel pressure regulator, air foil, coil, distributor and cap. (Does not include air and fuel filter.)
All you need to do is run fuel lines to the fuel rails, install an air cleaner assembly and hook up the three wire connections on the wiring harness and you're ready! May need a return line if the vehicle is an older model, some models have vent lines that can be used for a return line.
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Mini Ram system increase BHP where as TPI systems increase Torque.
The reason the TPI intake is so restrictive is due to its intake runner length, which is 17 inches long! Your typical carburator intake is about 5-6 inches long, and our Mini-Ram intake is 3 inches long.
The shorter the runner the higher the peak RPM, the higher the peak RPM, the higher the HP number. This is why it makes so much more power.
On a built 350 with a bigger: base manifold, runners, ported plenum, 52mm T/B, and a ZZ-9 cam, peak HP is 380 at 4750 RPM,and peak torque will be 460lbs/ft, Put a Mini-Ram on the same motor, and peak HP will be 450 at 6000 RPM, with 430lbs/ft of torque.
Sure you lose some torque, but you will still have a hard time hooking up, so the torque loss is not an issue. Over a stock TPI you would see easily over 100 more HP.
The same combo with a 383 the modified TPI would only be at 400HP at 4500 RPM, and 515lbs/ft of torque, basically a tow truck motor, all torque, and no RPM or top end. Put a Mini-Ram on and you will see 480HP at 5800 RPM, with 490 lbs/ft of toque, and a lot flatter toque curve, over a TPI long runner intake.
And once again you will still have trouble hooking up. This same runner concept is why the LT1 motors made 60 more HP over the TPI motors out of the box.
If you look at stock TPI aluminum head flow numbers, and compare them to stock LT1 aluminum head flow numbers, you will see little difference, also the cam specs are very similar, and the throttle bodies, and cubic inches are the same.
So why does the LT1 make more power?
Simple, intake runner length, is the main difference, shorter runner more RPM, and RPM is HP.
If GM put a 17 inch long intake runner on the LT1 motor, the numbers would be the same as the TPI motors.
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Mini-Ram Intake Manifold
 $950
This fabulous one-piece casting is ideal for the serious car nut. If used as a replacement over a stock Tuned Port intake, on a mild 350ci motor, you will see a 75-95+ HP gain with the increased RPM from a longer duration camshaft. If you build the motor on the mild side, i.e. small cam and some porting, stroker motor, 100-125+ HP,over the stock or modified TPI intake is very possible. If you go on the wild side you will be able to exceed any single four barrel power numbers, all with greater driveability and economy.
Installs on existing TPI vehicles with just our Fuel Rail Kit and Level VI Prom. Use the Mini-Ram to replace and out-perform any carbureted system.
We have been driving this manifold for over ten years. It has wonderful throttle response, delivers more torque from 2000 to 2700 RPM than a stock or modified TPI, and gives a great rush of power from 3500 RPM to 6500 RPM.
The reason the TPI intake is so restrictive is due to its intake runner length, which is 17 inches long! Your typical carburator intake is about 5-6 inches long, and our Mini-Ram intake is 3 inches long. The shorter the runner the higher the peak RPM, the higher the peak RPM, the higher the HP number. This is why it makes so much more power.
On a built 350 with a bigger: base manifold, runners, ported plenum, 52mm T/B, and a ZZ-9 cam, peak HP is 380 at 4750 RPM,and peak torque will be 460lbs/ft, Put a Mini-Ram on the same motor, and peak HP will be 450 at 6000 RPM, with 430lbs/ft of torque. Sure you lose some torque, but you will still have a hard time hooking up, so the torque loss is not an issue. Over a stock TPI you would see easily over 100 more HP. If we do the same combo with a 383 the modified TPI would only be at 400HP at 4500 RPM, and 515lbs/ft of torque, basically a tow truck motor, all torque, and no RPM or top end. Put a Mini-Ram on and you will see 480HP at 5800 RPM, with 490 lbs/ft of toque, and a lot flatter toque curve, over a TPI long runner intake. And once again you will still have trouble hooking up.
This same runner concept is why the LT1 motors made 60 more HP over the TPI motors out of the box. If you look at stock TPI aluminum head flow numbers, and compare them to stock LT1 aluminum head flow numbers, you will see little difference, also the cam specs are very similar, and the throttle bodies, and cubic inches are the same. So why does the LT1 make more power? Simple, intake runner length, is the main difference, shorter runner more RPM, and RPM is HP. If GM put a 17 inch long intake runner on the LT1 motor, the numbers would be the same as the TPI
383ci motor ZZ-409 cam, Mini-Ram intake, 1.6 rockers, 52mm throttle body, TPiS/AFR heads, with 11:1 compression.
| RPM |
Torque |
HP |
| 2200 |
409.5 |
171.5 |
| 2400 |
414.5 |
189.4 |
| 2600 |
417.3 |
206.6 |
| 2800 |
419.5 |
223.6 |
| 3000 |
431.5 |
246.5 |
| 3200 |
441.6 |
269.1 |
| 3400 |
445.8 |
288.6 |
| 3600 |
447.5 |
306.7 |
| 3800 |
444.6 |
321.7 |
| 4000 |
444.8 |
338.8 |
| 4200 |
452.9 |
362.2 |
| 4400 |
464.9 |
389.5 |
| 4600 |
479.3 |
419.8 |
| 4800 |
486.7 |
444.8 |
| 5000 |
487.3 |
463.9 |
| 5100 |
489.4 |
475.2 |
| 5200 |
485.7 |
480.9 |
| 5400 |
474.4 |
487.8 |
| 5600 |
470.5 |
501.7 |
| 5800 |
452.8 |
500 |
| 6000 |
435.7 |
497.8 |
| 6200 |
419.4 |
495.1 |
| 6400 |
406 |
494.7 |
| 6600 |
388.4 |
488.1 |
396ci LT1 motor, with AFR/TPiS heads, ZZ-9X cam, 11.25:1 C/R, and a 58mm throttle body.
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RPM
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TQ lbs/ft
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CBHP
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scfm
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2500
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391.6
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186.4
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188.7
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2750
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404.0
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211.5
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219.0
|
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3000
|
414.5
|
236.8
|
247.3
|
|
3250
|
425.1
|
263.1
|
276.4
|
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3500
|
432.7
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288.4
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303.9
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3750
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435.3
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310.8
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330.8
|
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4000
|
440.7
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335.6
|
359.6
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4250
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442.2
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357.8
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388.5
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4500
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460.2
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394.3
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430.3
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4750
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478.9
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433.1
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474.8
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5000
|
483.6
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460.4
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520.0
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5250
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485.0
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484.8
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556.2
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5500
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484.3
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507.2
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584.7
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5750
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473.7
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518.6
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609.4
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6000
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450.8
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515.0
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628.4
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6250
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433.5
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515.9
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640.3
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6500
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416.3
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515.2
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656.5
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 BBK Twin 52mm & 58mm Throttle Body LT-1 $340-350
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Phone California 8am - 8pm
760-247-0690
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