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Howell Fuel Injection Pics

The ECU Placement ecu_placement_01.jpg (66799 bytes)
This is the location I chose for my ECU placement. It makes it Kind of a pain to get to, but it was the only logical place I found. (sorry for the blurry pic!) 
The Relay Box relay_box_01.jpg (68384 bytes)
I designed and built this relay box mainly for the whole "start / run" cycle power issues. At first I was under the impression that there wasn't a good power transition 
The Relay Box relay_box_02.jpg (69020 bytes)
For the ECU Power. so I ran these relays to make sure that the ecu was supplied with a solid 12-14 volts, and fused.
The engine compartment in work engine_comp_02.jpg (170594 bytes)
I took some basic engine compartment pictures just to show how I ran the wiring.
The engine compartment in work engine_comp_05.jpg (84369 bytes)
Another pic of the engine compartment. (note: the placement of an "impact" switch on the pass. side firewall.)
The engine compartment in work engine_comp_08.jpg (83373 bytes)
This picture is to show the placement of an electric fuel selector valve. I decided since I have dual tanks, I would like to be able to switch from tank to tank with just a "toggle" of a switch.
The TBI Unit tbi_unit_02.jpg (72023 bytes)
The GM throttle body supplied from Howell Industries.
The TBI Unit tbi_unit_03.jpg (63175 bytes)
A second view.
The TBI Unit tbi_unit_04.jpg (68406 bytes)
A third view.
The Custom TBI Unit Spacer tbi_spacer_01.jpg (42772 bytes)
This is a custom spacer ring that a good buddy of mine created for me to still use my factory air cleaner. It sure is nice knowing a machinist! Thanks Mike!!)
The Custom TBI Unit Spacer tbi_spacer_02.jpg (51587 bytes)
How the ring looks on the TBI unit. (Good work man!)
Fuel Pump Location fp loc1.jpg (79720 bytes)
Here is a quick view of where I mounted my fuel pump for the main tank. I chose this spot mainly because my exhaust runs too close to the inner frame rail, and ease of maintenance. I will be installing the aux pump later.
Fuel Pump Location fp loc5.jpg (79346 bytes)
Here is the completed setup.
The Bare Manifold eng comp4.jpg (91363 bytes)
This is a shot taken right after the Carburator had been removed from the engine.
TBI on Engine tbi mt1.jpg (94368 bytes)
Well, Here is the first picture of the Throttle body mounted to the engine.
Another View tbi mt6.jpg (87666 bytes)
I took this shot to show how the throttle linkage was modified to fit the unit. We were able to also modify the transmission kick-down linkage off the carb to work with the new TBI unit.

The Completed Setup

tbi comp1.jpg (90890 bytes)
Ahh, Finally we get to see how it all came together. the Spacer fits perfectly, and there is no interference with the hood! Now all we need to do is fire it up!
A Quick Test brc tst2.jpg (88691 bytes)
Here I am doing the "ditch test to see how the truck idles at an incline. It worked great! (In the past with my Edelbrock the truck would stall on this test.)
Another View brc tst4.jpg (80091 bytes)
I also pulled right out, turned around and put it nose down into the ditch. the truck ran perfectly. (sorry I  didn't get a pic of that though.)
A third View brc tst5.jpg (71504 bytes)
A quick side shot of the test.

 

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