Hey everyone...
So, we've had a *slight* setback with the V8 tractor build, in fact by some miracle its the first somewhat major roadblock we've hit...
Anyway, the guy I bought that POS truck from, what we're basing this build on, swore up and down it had a 305...
I bought a nice 305 rebuild kit, then with the help of a few friends, we tore the motor down... Cleaned out a TON of sludge, got everything all nice and shiny... And then tonight, we attempted to start putting it back together.
And the #@$^#$ rings wouldnt fit over the pistons...
I knew something wasnt right...
And measured the bore of the engine...
It was a few thousands under 4", but once you figure the ridge out, its a 4" bore, the exact same size as a stock 350.
I'm kinda happy because I like 350's, and I'd rather have a 350 than a 305 in this thing, but I'm also pretty frustrated because I have all these 305 parts laying around.
From what I understand, the only differences between the engines are the bore and stroke, which would be a good thing.
Clearly, I need another set of rings, but what else?
I understand the crankshafts interchange, and the bearings I bought fit perfectly into the rods, so I think we're good there...
What about head gaskets? I know the heads themselves interchange between SBC engines, but wouldnt a different bore require different head gaskets?
I don't know... Just thought i'd ask here... Trying to figure out what (else) Im gonna have to buy...
Anyone have any ideas? Thanks in advance...
PS I'm currently planning on running a carb setup, with a set of craigslist heads and manifold... Can't figure out how to wire that TBI lol
So, we've had a *slight* setback with the V8 tractor build, in fact by some miracle its the first somewhat major roadblock we've hit...
Anyway, the guy I bought that POS truck from, what we're basing this build on, swore up and down it had a 305...
I bought a nice 305 rebuild kit, then with the help of a few friends, we tore the motor down... Cleaned out a TON of sludge, got everything all nice and shiny... And then tonight, we attempted to start putting it back together.
And the #@$^#$ rings wouldnt fit over the pistons...
I knew something wasnt right...
And measured the bore of the engine...
It was a few thousands under 4", but once you figure the ridge out, its a 4" bore, the exact same size as a stock 350.
I'm kinda happy because I like 350's, and I'd rather have a 350 than a 305 in this thing, but I'm also pretty frustrated because I have all these 305 parts laying around.
From what I understand, the only differences between the engines are the bore and stroke, which would be a good thing.
Clearly, I need another set of rings, but what else?
I understand the crankshafts interchange, and the bearings I bought fit perfectly into the rods, so I think we're good there...
What about head gaskets? I know the heads themselves interchange between SBC engines, but wouldnt a different bore require different head gaskets?
I don't know... Just thought i'd ask here... Trying to figure out what (else) Im gonna have to buy...
Anyone have any ideas? Thanks in advance...
PS I'm currently planning on running a carb setup, with a set of craigslist heads and manifold... Can't figure out how to wire that TBI lol