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-   Fuel Injection & Tuning (http://www.clubcobra.com/forums/fuel-injection-tuning/)
-   -   Breakign down EFI options (http://www.clubcobra.com/forums/fuel-injection-tuning/134552-breakign-down-efi-options.html)

Tom Wells 09-22-2015 07:11 AM
Ace23,

Some additional thoughts after breakfast.

First, the MPI (multiport injection) throttle body is shorter than the carb it replaced, possibly by as much as 1-1/4". The TBI (throttle body injection) units may be a bit taller than the MPI unit. Just something to check when figuring out overall height (manifold + throttle body + air cleaner). The shorter MPI unit allowed me to use a larger air filter than the carb did while keeping the same overall height.

Second, a kind of fun(?) thought - what about using two relatively small TBI units to simulate a dual four barrel carb setup? Most of the new EFI computers can control two TBI units. There aren't very many dual four barrel manifolds for the 385 series (maybe only one?) but I think there are several for the SBF.

Just trying to help you shovel out the cash ;-)

Tom

cycleguy55 09-22-2015 11:36 AM
Quote:
Originally Posted by Tom Wells (Post 1363704)
Ace23,

Some additional thoughts after breakfast.

First, the MPI (multiport injection) throttle body is shorter than the carb it replaced, possibly by as much as 1-1/4". The TBI (throttle body injection) units may be a bit taller than the MPI unit. Just something to check when figuring out overall height (manifold + throttle body + air cleaner). The shorter MPI unit allowed me to use a larger air filter than the carb did while keeping the same overall height.

Second, a kind of fun(?) thought - what about using two relatively small TBI units to simulate a dual four barrel carb setup? Most of the new EFI computers can control two TBI units. There aren't very many dual four barrel manifolds for the 385 series (maybe only one?) but I think there are several for the SBF.

Just trying to help you shovel out the cash ;-)

Tom
FITech has a fuel dual quad systems that are very attractively priced. They're a 'new kid on the block' and I've been watching them and reviews of their product. I haven't seen any reviews on dual quad installations, but have seen a few other reviews that have been nothing but glowing.

Dual quad systems start at $1800 + fuel system, and they have setups for power adder systems (blow through or on a Roots style 'draw through' supercharger, or single stage Wet Nitrous). Link to their products page: Products

Edit: BTW, FITech throttle bodies are 3.25" tall from the base to the air cleaner flange - the same as most Holley carbs

map 09-22-2015 05:06 PM
Mircosqurit $329.00 on eBay!

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Ace23 09-22-2015 07:45 PM
Quote:
Originally Posted by Tom Wells (Post 1363704)
Ace23,

Some additional thoughts after breakfast.

First, the MPI (multiport injection) throttle body is shorter than the carb it replaced, possibly by as much as 1-1/4". The TBI (throttle body injection) units may be a bit taller than the MPI unit. Just something to check when figuring out overall height (manifold + throttle body + air cleaner). The shorter MPI unit allowed me to use a larger air filter than the carb did while keeping the same overall height.

Second, a kind of fun(?) thought - what about using two relatively small TBI units to simulate a dual four barrel carb setup? Most of the new EFI computers can control two TBI units. There aren't very many dual four barrel manifolds for the 385 series (maybe only one?) but I think there are several for the SBF.

Just trying to help you shovel out the cash ;-)

Tom
I don't think I will be going for anything to crazy and I am about 99% sure I will stay with the Dart SBF setup I currently have. FAST said they provide an edelbrock MPI manifold in their kit but they didn't tell me which manifold it was. First things first I'm looking to identify a tuner. You would think that being in the same town as FAST that there would be a local tuner thet would recommend bu that doesn't seem to be the case. The nearest tuner that was recommended was about 200 miles away in Birmingham Alabama.

Tom Wells 09-23-2015 11:24 AM
Ace23,

Quote:
The nearest tuner that was recommended was about 200 miles away in Birmingham Alabama.
Maybe they are trying to tell you something :LOL::LOL::LOL:

Tom

Ace23 09-23-2015 03:22 PM
Quote:
Originally Posted by Tom Wells (Post 1363928)
Ace23,



Maybe they are trying to tell you something :LOL::LOL::LOL:

Tom
That was out of the tech support line but I'm almost positive there are some guys on the side that tune in town......we only have Comp, FAST , Bullet, Lunati and a slew of others here local. I'm also not ruling out a stack setup based on some of the pricing I saw......its not too far off from the multi-port setups.

Luce 09-24-2015 09:29 PM
I have been more than pleased with my megasquirt 2. I'm running dodge neon stage 3 injectors (2 sets, 42 lbs), EFI super victor manifold and Edelbrock 4 bbl throttle body.

It's a steep learning curve, but something I wanted to learn, and it's running great. I tuned it myself with a little datalogging and the laptop adjusted VE table.

cycleguy55 03-29-2016 01:13 PM
Short article on some of the EFI systems now available: We Dig Deep Into The Latest EFI Systems on the Market Today


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