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Old 12-06-2015, 12:48 PM   #15
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From what I have read over the years these kits require tuning after instillation. Contact the manufacturer of the kit to confirm this is or is not the case.
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Old 12-06-2015, 01:04 PM   #16
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I ran across this offering on ebay of a TBI conersion kit for a stock 454. I'm curious if anyone might be familar with the company or the kits they offer.

The 454 I'm putting in my Argosy is stock with the exception of the Edelbrock Performer 2 intake manifold and Comp Cams 11-203-3 rv cam. So it's obviously not quite stock

I'm going to ask them what would need to change to make it work. I hadn't realized TBI kits were this cheap.

Brad
I'm old school Chevy guy. So for an old school big block, I would stick with carburetion.

Ditch the Qudra-Jet and convert to an Edelbrock carburetor. They're easy to install, easy to set up, and easy to maintain.

Tom
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Old 12-06-2015, 01:17 PM   #17
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LOL Brad, I hear ya.

Ok, so let me have at this TBI/EFI topic for a bit....
This is something Derek(CrazyVW) and I have been back and forth on for a couple of years... So I have a lot of time invested already.

I LOVE the idea of TBI/EFI for our rigs... lots of advantages including reliability under all conditions, temps and altitudes. More torque/power and fuel economy.
Also the ability to "see" via computer controls what is happening or wrong from the cockpit.

Personally, I am leaning/going toward a stock GM TBI setup.
Here is why:
1/ Its my only option to pass smog here in CA. I can put the complete system I took off my '87 454 Suburban, and pass inspection with the Referee as an "Engine Swap".
2/ It's reliability is proven over millions of vehicles and miles. If something goes wrong on the road, parts are readily available.
3/ It's cheap to buy and retrofit, and also maintain.

Downside is that it is less sophisticated than new or aftermarket systems.
They have controllers that can program and change settings and self tune.
But break down on the road, and you are SOL.

I am still working thru my own plans, but this is where the info and action is!
GearHead EFI Forums

And here is the specific GM TBI/TPI section, with how to's and the like.
GM EFI Systems

I already have my systems(in fact I have 2), but by my experience a few our at our Pick and Pull would net me everything except the fuel pump for less than $150... add a max of $150 for a pump, and another $100 for new sensors, and you would have it. Add a couple of hours of wire clipping to suit our custom situation and you are there...

If I was looking at aftermarket EFI, this one looks awesome, and is pretty close to your budget... The basic unit supports up to 600hp and cost $995(not inc fuel pump).
FiTech Fuel Injection
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Old 12-06-2015, 01:24 PM   #18
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We could discuss the pro's and con's of Carb vs EFI all day, but that is NOT what this thread is about!
Lets keep on topic!
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Old 12-06-2015, 01:36 PM   #19
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Originally Posted by bkahler View Post
Martin, do you have any guaranteed way of finding out what you can and can't do prior to loading it on a ship?

I would hope so!
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Originally Posted by Keyair View Post
I have some suggestions coming Brad...

In the meanwhile, here is a link to the UK type approval book...
https://www.gov.uk/government/upload...iva-scheme.pdf
As a personal import of a vehicle assembled in 1975, I spoke to the DVLA they said I have to comply to IVA regs that were in place at the time of manufacturing so don't have to meet type approval....it's the same as importing a vintage car, you don't have to meet current standards.

That said I won't know for sure until I do the importation process. I already suffered this once in the past; during 2006-2007 I lived in New Jersey and bought a US registered Triumph bike. The bike was assembled in the UK and meet UK regulations at the time of assembly. When I moved back to UK in late 2007 I wanted to take the bike back with me, but when I started the IVA process it was going to cost half the value of the bike, and because I hadn't owed it for a year would have to pay duty (20% of value), so I just didn't bother - I sold it to a friend on condition he would sell it back if I came back. When I came back in 2009 he wouldn't sell it back so I had to spend 2 years searching for it's twin.

One of the reasons for buying (and registering) Bella when we did was I will have more than a years ownership before shipping her back....as such I am exporting personal property so the UK government can't claim duty.

The uncertainty is around how much it will cost to get through the applicable IVA not whether it can be done.
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Old 12-06-2015, 01:37 PM   #20
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We could discuss the pro's and con's of Carb vs EFI all day, but that is NOT what this thread is about!
Lets keep on topic!
Opps....apologies I immediately went of subject!
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Old 12-06-2015, 03:49 PM   #21
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From what I have read over the years these kits require tuning after instillation. Contact the manufacturer of the kit to confirm this is or is not the case.
That's what I've heard as well which is one of the reason I've not bothered to add a tbi to my want to list

If a there is a reasonably priced plug and play kit it would be tempting.

I do have a query to the seller but haven't heard back as yet.
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Old 12-06-2015, 03:57 PM   #22
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Originally Posted by TomKirk View Post
I'm old school Chevy guy. So for an old school big block, I would stick with carburetion.

Ditch the Qudra-Jet and convert to an Edelbrock carburetor. They're easy to install, easy to set up, and easy to maintain.

Tom
Tom, I do have an Edelbrock 1406 carb installed now. I interested in exploring tbi options as I didn't realize tbi could be had for less than $2000.

Should a true reasonably priced plug and play be available then I'm interested.

Brad
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Old 12-06-2015, 04:03 PM   #23
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Opps....apologies I immediately went of subject!
Not really as we're discussing whether you could add tbi to your 350 prior to export. I'm curious as to what you find out.

Brad
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Old 12-06-2015, 08:15 PM   #24
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I "inherited" a Holley Commander 950 EFI system installed on my 310. It scared the daylight out of me at first, until I started to get more familiar with it. My biggest fear was the ECU going bad with no help or parts for thousands of miles. So I went on a quest to find a replacement ECU (no help from Holley) and finally saw one on Ebay. I bought it, plugged in my laptop and dowloaded my data to the replacement ECU. Ran the engine to make sure all was cool. Now I have a ready to plug in replacement unit.
in my quest to find a spare ECU, I looked at Holleys latest models that have self adjusting and learning modes, that sound very attractive.
here is a link
https://www.holley.com/products/fuel...erminator_efi/
Btw, I really like the 454 with EFI. Its powerful, very responsive starts easy, plugs look beautiful and gas mileage appears to be improved.
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Old 12-06-2015, 08:20 PM   #25
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Originally Posted by bkahler View Post
I interested in exploring tbi options as I didn't realize tbi could be had for less than $2000.

Should a true reasonably priced plug and play be available then I'm interested.

Brad
This one Brad...
FiTech Fuel Injection

Take a good look at their fuel supply options, as the Command module is really cool..
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Old 12-06-2015, 08:42 PM   #26
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I'm not a huge fan of these aftermarket TBI systems. They can be a huge improvement over a messed up carb. Don't expect too much from it. Lots of money for marginal gains. I've had better luck transplanting modern systems. $2000 can buy a really nice modern engine with the parts to make it go.
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Old 12-07-2015, 02:39 PM   #27
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I've done a couple of carb to TBI EFI swaps in Ca. no less.
Hardest part was passing emmissions, actually finding someone who knew how to do it right with a Executive order EOD452.
I did not have to do any programming and there was a great improvement over the carburetor. Mine were however for 4.2L. Jeep engines.
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Old 12-08-2015, 06:03 AM   #28
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Brad, I came across this kit shortly after purchasing my motorhome. I've got quite a few gearheads in the office and ran the idea past them. Although my thoughts are hear-say, the consensus of my gearhead group says that nothing runs as well as the genuine GM throttlebody and injectors. Kit says is has a reman TB and computer, so you might be getting the 'real deal' here. ?
They all would source out a factory assembly to install from a donor motor. That being said, it wouldn't be an easy solution. Too many pieces etc. obviously. I'd be very curious to your experience if you do go this route! (kit, not junk yard diving)
A big thing for me, besides constant AF ratio provided by the computer, would be the serpentine belt set-up on later model 454's and 496's. As valuable to me as the FI set-up. To get this I'm a big fan of just sourcing out a complete, later model engine. Peferrably a multiport, coilpack variety. Then, just drop it in. So much easier than trying to find parts to bolt onto a dated engine. I know this is NOT what you were asking in your initial post..
So, to make this longer than it needs to be, I think that kit might be a good buy with a little looking into on who supplies all the pieces. doesn't look like it can be beat from a time and completeness perspective.
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