Lost power

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Originally Posted by Robyn

If you go wityh the Computer upgrade, you need a free flowing exhaust system.

The turbo master and the computer upgrade (reprogram) allow for more boost and more fuel (more power) and the stock exhaust system will be way to restrictive.

If your up and going OK now, wait until t\you can add the exhaust upgrade.

You can do the exhaust without doing the TM and computer, then add afterwards.

check to be sure these components will not violate Cali Smog Laws.

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There isn't a good way to upgrade the exhaust and keep the cat is there? I mean to have 3.5" or 4" to the cat and restrict it there doesn't seem like it would accomplish much if anything. And a 4" cat has to run a bundle of cash.

Hi
You could gut the cat.
Or if you are a fab/welder you could make a 4" gutted cat.Find one that the body is big enough to run a 4" pipe through it.Gut it ,weld the pipe through it and install.Make it look like it was a factory job and install.
Or mabey one from a newer truck may be a choce if you want one that is functional.
Thomas

I did the change to Heath Diesel computer upgrade for max torque and the manual turbo boost control. It worked very well, got plenty more power at low rpm and slightly better fuel economy. Even when using the extra power on a heavy motor home most of the time I get better milage than before. I'm doing 12-13 mpg going 55 mph with the 15.000 lb vehicle. :) Been on a trip through Europe and could keep up with most of the heavy trucks now.

Went through the annual vehicle check with a K value of 0.4, compared to 0.8 before the upgrade. This is with std exhaust and water pump. It's running warm faster now when going uphill until electric fan kicks in. Don't really feel an upgrade there is nessesary yet. Got a max turbo pressure of 14 psi.

I'm happy with the result, well worth the money.

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P-O

There is an outfit called " Frozen Boost" that makes Cat Look a likes that are nothing but a cat shell with a pipe that runs through the shell.

These look like the real deal, but will get rid of the issues of a constipated Kitty.

These are stainless steel I believe and look very nice

Here is a link to their site http://www.frozenboost.com/

Look under exhaust parts.

They make one thats 3 inch or you could use a couple Y pipes and install 2 of them if your worried about flow.

A 3 inch down pipe through the "CAT" then up to 3-1/2 or 4 inch on out the back and your set, no more issues.

Hope this helps

Missy

Thanks, interesting site... But I haven't got a cat, it's not needed here on so old cars. Forgot to mension I changed the fuel pump too. Needed better fuel pressure to reach 14 psi boost.

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P-O

nice heavy spring works the best,.:D

nick