i finally decided if i was going to be needing to put money into something i needed to do it to something more practical to my lifestyle.
Edited by Rooinater, 30 September 2008 - 03:22 PM.
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Posted 30 September 2008 - 03:18 PM
Edited by Rooinater, 30 September 2008 - 03:22 PM.
Posted 30 September 2008 - 09:16 PM
Posted 01 October 2008 - 12:40 AM
Posted 01 October 2008 - 09:45 AM
Posted 01 October 2008 - 12:40 PM
Posted 01 October 2008 - 06:49 PM
All of the hop ups are really quite simple. The best advice I can offer is a throttle body spacer. It may sound dorky, and gimmicky; but they honestly do work. I've had them on over a dozen LO5 small blocks (Caprice cop cars), and a handful of 4.3s. The 4.3 actually responds better to them than the LO5. I gained 2-3 mpg out of my 2wd by installing a $90 chunk of machined aluminum. My next best advice would be to free up the exhaust any way possible. Simple stuff, I know, but it can't be overstated for that big of a v6. I wouldn't exactly worry about revamping the entire exhaust, but just replacing the stock muffler, and cat (whatever you choose to do with it is up to you:lol:) to get more flow has helped all of mine ALOT.
Posted 01 October 2008 - 07:00 PM
Only reason I ever sold it was I needed 4WD, which is what got us back into Subarus ... in NW Montana, what else?
Posted 02 October 2008 - 12:29 PM
i'm pretty sure it doesn't have a throttle body spacer, i was looking at some, but was curious if they really worked and were worth the effort. i was thinking down the road when i start actually getting towards the max towing load i'd get a set of headers.
Posted 02 October 2008 - 03:36 PM
The throttle body spacer is definitely worth the money. I've used a fairly wide variety of them, and have found that as long as it is a 1 incher with twist, it will work great. A definite solid investment as the gain in mpg has paid off all of mine within the first year.
Another tip I would highly suggest is to roller rocker that motor. I've done it to two of them now, and it is seriously the greatest improvement to any 4.3 I've ever made. The only reason I didn't mention it earlier is because it is expensive in relation to many other improvements. If you are looking to go as far as headers, this may be something you want to check into. I attribute my roller rockers with making my engine last this long. I have seriously run this engine very hard for over a hundred thousand miles, often pouring WAY too much nitrous into it. The roller rockers have made the engine roll so much smoother, it is actually noticeable in every aspect of performance. The engine even starts easier.... just a bump of the key, even after sitting for a month, and it just rolls so easily; it fires right up. From the sounds of it; that would be a project for later down the road, but, one I would highly reccomend. They just respond so well too it. Also, if you choose to roller rocker it, you can play with duration a little at the same time. That'll give you even more power. I've gone as high as 1.8 duration in the rockers, and found A TON of torque. I'll find my part numbers for you, as there are very few roller rockers that fit under stock 4.3 valve covers.
Posted 02 October 2008 - 04:13 PM
for now i won't be changing out the rockers, even headers would be awhile down the road. i've got to get the truck driving, then finish the toyota, then i can start looking into major mods for the 4.3L. simple stuff like the throttle spacer i'll do now, but nothing major till i'm done building the toyota.
Posted 02 October 2008 - 05:59 PM
I figured that was the case. If you want simple mods for improved towing performance, and getting more out a gallon; I would make that spacer my number one priority. They are by far the best return per dollar bolt on piece. I've found that the AIR RAIDS by Powerade are the most complete setups. They are the best about containing all the hardware, as you will need some specialized bolts for everything. Other stuff depends on which air filter system you have. If you have an air cleaner like a normal carb; there aren't really many things to do to it. Just slap in a K&N, and go. Or put together a cold air intake setup on the cheap. But, if you have the larger, box style air intake system that takes a flat filter element; there are quite a few improvements that can be made to that system.
Posted 17 November 2008 - 01:58 PM
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