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Welcome Chris. I am no help with what you are doing, but I found it a lot less cost to buy a complete wreck for engine, trans(if needed), and other bits. You will be surprised how many little bits...

Hey, at least you are getting there. I lost interest in my conversion towards the end, and had a spell from it for a while.
I am now into it again, and have so many plans. At least I suppose I can...

A late welcome, but would be interested in some pictures of your swap if you have started. Am interested in the 73-87 swaps.
Doesnt seem like a lot of them on here.

Are you going to use the 2 fuel tanks? I have 2 as well, but only one fitted at the moment. I am running an in tank pump assembly in my original tank, and am thinking I may just run a standard fuel...

Very good write up on your conversion Nick. I tried to use my wrecked cars exhaust manifold, and they are the same as the GTO. Didnt fit as you also found out.
I used the original clam shell cups,...

Plenty of room under the hood, its just that the chassis rails come together more just where the engine is, so the front suspension X member can bolt up. 6" further back the chassis, and no real...

+1 to above. I had both vehicle wiring printed off, and scribble everywhere. Eventually worked it out.

A couple of pics of how close extractors are to frame.82488249

I hope the sign in the background doesnt mean anything about your truck:(
Keep up the report, and pics.

A small thread hijack, dayman, how did the 4L80E clear the tunnel, or did you have to modify it? I would love to see some pics please.
I too spent a lot of time with fiddly bits. I was lucky to buy...

Sounds like a good swap. Pics please. Why did you go to a carby??
And welcome.

I found with mine, there wasnt a lot of room for exhaust manifolds. Your truck ones may clear, but I didnt have access to any of those. I ended up fitting extractors(headers in your lingo) after I...

Welcome also. I wish I had found this forum before I did my LS1 swap. Wealth of info here.
Whats your truck?, and what engine you using?

Go to Truckin.com web site, and have a look in the Tech section. Good article on doing this. I think its in a Blazer.

They look good. I made my own using the original clam shells bolted to a similar bracket. Not much out here for these swaps.
Wish I had yours at the time.

Thats a great looking truck. Love the white. Welcome.

Just make sure that the 2 fuel lines are feed, and return, and not feed, and vapour return. Out here in Aus, our GEN111s have a pressure regulator as part of our fuel pump/guage sender that is all...

One of the advantages of buying a whole vehicle to get the bits for a conversion is that you have plenty to choose from. I used the fuse box from my donor car, so things like the fans(from the donor...

Welcome. What truck you got???

I would run a separate cooler. Thats what I did on my GEN swap into a 1978 C20, using a 4L60E trans.
I am not a big fan of radiator coolers.
Got any pics of the conversion? Always interested to...

These projects are very daunting initially, but I found if I printed off as much info as I could find, and I was lucky to get a very good CD for the GEN111 vehicles(Aussie versions), that it made the...

Do the Chevs use a BCM(body control module)? I know my swap is different, but I needed to use the BCM out of my wreck to power up the dash guages. Some worked, but not all until I had hooked up the...

fabian, not a lot of sport trucks down my way(only a town of 25,000 people) Quite a few F trucks(later ones, 7.3 diesels), a few Dodge Rams, and some later Chevs. People look at mine, not that I...

Why didnt you go with the lower car intake manifold? Sits a lot lower than the truck one.
Great job though, always a lot of work in something like this:)

I am certainly no expert on this, but will the 98 fuel pump handle the required pressure of the later engine? You may have to run the later pump, which would mean running that off the later...