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Old 01-17-2016, 10:04 PM   #113
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Good info Brad.
In my case I will probably go with the stock TBI intake, as I just would hate to put anything else on and get a fail on the smog test.
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Old 01-18-2016, 07:10 AM   #114
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Good info Brad.
In my case I will probably go with the stock TBI intake, as I just would hate to put anything else on and get a fail on the smog test.
That makes total sense. With the stock manifold you might have enough clearance as well.
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Old 01-18-2016, 11:53 AM   #115
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As a point of reference, this is what I have to deal with....
Smog Information

Currently, smog inspections are required for all vehicles except diesel powered vehicles 1997 year model and older or with a Gross Vehicle Weight (GVWR) of more than 14,000 lbs, electric, natural gas powered vehicles over 14,000 lbs, motorcycles, trailers, or gasoline powered vehicles 1975 and older.

Vehicles registered in areas subject to the biennial smog certification program are required to submit evidence of a smog certification every other renewal period. Owners of vehicles six or less model years old will pay an annual smog abatement fee for the first six registration years instead of being required to provide a biennial smog certification. The registration renewal notice mailed to you by the department will indicate if a smog certification is required. If a smog certification is required and you have not had a smog inspection, you may still pay your registration fees to avoid any late fees. However, you will not receive your new registration or year sticker until the smog information has been received by DMV.

NOTE: Upon initial registration, nonresident;

Diesel powered vehicles 1998 model year and newer with a (GVWR) rating of no more than 14,000 lbs, and specially constructed vehicles 1976 and newer require smog certification. The six or less model years old rule does not apply to these vehicles.

Does my vehicle qualify for a smog exemption?

Smog inspections are required unless your vehicle is:

Gasoline powered 1975 year model or older
Diesel powered 1997 year model and older or with a Gross Vehicle Weight rating (GVWR) of more than 14,000 lbs
Electric
Natural gas powered with a GVWR rating of more than 14,000 lbs.
Motorcycle

Engine Change Vehicles

An engine change is the installation of an engine in a vehicle that is different from the one originally installed in the vehicle. A Referee inspection is required for all vehicles that have had an engine change.

Replacement of a vehicle's engine with the same engine size or an engine offered by the manufacturer for that year, make and model is considered an engine replacement and does not require a Referee inspection.


The engine swap rules are here..

Engine Change Guidelines

The obvious chouice would be to put in a 97 or older diesel engine...
But that is beyond my budget and I dont have a place to do it yet.
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Old 01-18-2016, 03:48 PM   #116
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1983 31' Airstream310
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Quote:
Originally Posted by Keyair View Post
As a point of reference, this is what I have to deal with....
Smog Information

Currently, smog inspections are required for all vehicles except diesel powered vehicles 1997 year model and older or with a Gross Vehicle Weight (GVWR) of more than 14,000 lbs, electric, natural gas powered vehicles over 14,000 lbs, motorcycles, trailers, or gasoline powered vehicles 1975 and older.

Vehicles registered in areas subject to the biennial smog certification program are required to submit evidence of a smog certification every other renewal period. Owners of vehicles six or less model years old will pay an annual smog abatement fee for the first six registration years instead of being required to provide a biennial smog certification. The registration renewal notice mailed to you by the department will indicate if a smog certification is required. If a smog certification is required and you have not had a smog inspection, you may still pay your registration fees to avoid any late fees. However, you will not receive your new registration or year sticker until the smog information has been received by DMV.

NOTE: Upon initial registration, nonresident;

Diesel powered vehicles 1998 model year and newer with a (GVWR) rating of no more than 14,000 lbs, and specially constructed vehicles 1976 and newer require smog certification. The six or less model years old rule does not apply to these vehicles.

Does my vehicle qualify for a smog exemption?

Smog inspections are required unless your vehicle is:

Gasoline powered 1975 year model or older
Diesel powered 1997 year model and older or with a Gross Vehicle Weight rating (GVWR) of more than 14,000 lbs
Electric
Natural gas powered with a GVWR rating of more than 14,000 lbs.
Motorcycle

Engine Change Vehicles

An engine change is the installation of an engine in a vehicle that is different from the one originally installed in the vehicle. A Referee inspection is required for all vehicles that have had an engine change.

Replacement of a vehicle's engine with the same engine size or an engine offered by the manufacturer for that year, make and model is considered an engine replacement and does not require a Referee inspection.


The engine swap rules are here..

Engine Change Guidelines

The obvious chouice would be to put in a 97 or older diesel engine...
But that is beyond my budget and I dont have a place to do it yet.
Natural gas powered engines are excempt!!
I have full hookups on the side of my house. I will even go with you to get your 345 inspected, it will take at least 5 minutes..
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Old 01-18-2016, 04:32 PM   #117
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Natural gas powered engines are excempt!!
I have full hookups on the side of my house. I will even go with you to get your 345 inspected, it will take at least 5 minutes..
There ya go, license it in Texas and store it in California
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Old 01-18-2016, 11:23 PM   #118
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Actually... I could convert it to Propane and smog it... ROFL... You guys are BRILLIANT!

My 1984 190D engine would definitely fit... small issue of power tho... it is a 2.2 liter non turbo 4 cylinder... it had 75 horsepower when it left Germany... and at 210,000 miles, I think a few have escaped... I bet it would still better the 454 on mpg tho!
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Old 01-31-2016, 07:37 PM   #119
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Here is a con that has not been mentioned or discussed.
TBI's stink. It's not a single port "enclosed" system, its a throttle body that gets injected with fuel, very much like a carburetor system. Do I dare to suggest it smells even more...?!
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Old 02-01-2016, 06:51 AM   #120
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Peter, that seems odd that you would have a fuel smell. I was kinda thinking the odds of that would be less for TBI.

Is it possible you one or more leaky injectors? I know leaky diesel injectors smell but the odor is usually from the exhaust not the engine itself.

Fuel should only be allowed into the top of the manifold when an injector is energized. And they are only energized when the engine is running.
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Old 02-01-2016, 03:20 PM   #121
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My 1991 250 classic has a stock TBI with 4l80E. Happy to share any info if you need any, just PM me. allbest Nick
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Old 02-01-2016, 04:26 PM   #122
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Peter, that seems odd that you would have a fuel smell. I was kinda thinking the odds of that would be less for TBI.

Is it possible you one or more leaky injectors? I know leaky diesel injectors smell but the odor is usually from the exhaust not the engine itself.

Fuel should only be allowed into the top of the manifold when an injector is energized. And they are only energized when the engine is running.
I should have clarified that the fuel smell is only for some time after I shut the engine off and not doing operation.
I will do a visual check if I have leaky injectors.
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Old 02-01-2016, 06:06 PM   #123
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no leaky injectors, but I found these little piston with 2 rubber rings that are leaking. Where in the world can I find 4 of those rubber seals that will fit. I do have a package with an assortment of seals and found some that fit the ID, but the OD is too big. Any suggestion where I could try to find some?
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Old 02-01-2016, 06:11 PM   #124
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Probably need carb rebuild kit?


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Old 02-01-2016, 07:40 PM   #125
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If the throttle bodies aren't GM then you'll have to check with the manufacturer.

If they are GM then you can try looking them up on a site like GM Parts Direct.

If you buy them from a non-automotive place then make sure they are rated for modern fuels.
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Old 02-01-2016, 08:09 PM   #126
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I may have found the replacements at the Holley site and ordered some. Until they arrive, I made the ones I had "fit" with a drill and some sandpaper.
No more leaks. Thanks for questioning my fuel smell issue. Its a lot less now, but this Holley TBI injects right on top of the butterfly flaps, so one can expect some odor after shutting the engine down.
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