Hot Rods $100 Chevy engine

unspectacular compression makes for some excellent pressure... someone say supercharger?

 

Was waiting for someone to post this...

 

The kB pistons in the good 327 are hyperut and I think I remember reading there no good for boost. I’m sure the rings in the $200 283 in the Jeep are still stuck and that’s why it’s always been a gutless pain in my ***. So putting the 142 on that’s out. if the 350 ever let go I would love to have this one setting back in wait. If the shop will press in a cam bearing and I find a stocker piston on eBay someday I can obviously continue on.

 

I went looking for heads for a 350 a few years ago and I found out the best flowing heads GM ever made are the Vortec heads and they make an adapter for the intake, just saying

 

Never heard of an adapter for them, just a Vortec intake needs to be used.

 

Would it be easier to find an SJ 327 crank than 302/283 +125 pistons? JW

 

No need for +125 pistons and no it wasn’t removed from it’s home because of this it was removed because I wanted the engine and new nothing about it other then what they told me when they yanked it from the truck.

 

You know I will say one thing it spins over very freely even with the mains and that rod torqued down. Spun it to tdc by pushing on the crank gear with my finger.

 

Was it this thread or another thread we talked about the incorrect pistons or rods, etc, being used? I’m too lazy to look through 7 pages

 

If it goes in the one cj the rear axle has 5.38 gears with a t90 we swapped in. If it goes in the other cj it will have the same 5.38 gears and a little 142 supercharger. But that’s only when or if the 350 ever let’s go. Leave the supercharger bolted to the intake unbolt it all as one and just swap the whole top end over to this one. It’s a 40’s Jeep that had 40hp stock. the 350 seems a little much now. Taming it down a bit if I had to wouldn’t be the worst. So I’m on the hunt for a stock part # 327 piston a few rings and the cam bearing/soft plug kit. Not the end of the world.. I choose junk.

 

Yup , choices are = 327 crank, new pistons
302 pistons or 283 plus 125
350 crank , custom ground to small journal and 350 pistons .
A 327 crank sj are fairly inexpensive. Paid $30 for a std std forged .
Pistons can be found used for the 327 but usually are fairly worn .

 

Love the 142 supercharger!

 

It was this thread I mentioned he was adamant he broke the crank and installed a 283 crank. And then other members chimed in and said it was a 301

 

I’ll send a set of hasting 4inch bore rings to you (new/unused) for factory replacement 350. Dingle ball hone it and use new rings. Not ideal, unless you take the cylinder ridge out, still not ideal to use , used rings.

 

Yea, seemed familiar.

 

...so the guy actually built a LOW performance 302.

 

And told me it was a ripper Edit: it had a heck of a job to do. I guess the 5.38 gearing helped.

 

I may have to figure out how pm’s work on here and grab that ring set. But I wouldn’t use all but four of them so it’s better there saved for someone who could really use all of them. And at this point I’m just tinkering anyway. Keeps me busy.

 

Wait now hold on a second will 202 valves clear those reliefs with the piston down in the bore? I have a redone set of 461 heads with big valves but could never use them on the 283’s surly .125 down will let the big valves clear right?

 

Yes, but they would clear on any small block with a 4 inch bore regardless.

 

Are the reliefs bigger on a 327 piston? I have had three 283’s and none of them fit the big valves... so if I’m right the reliefs are bigger and even if I found a standard journal 327 crank and the pistons reached the top of the bore the big valves still wouldn’t hit?

 

The bore on a 283 is smaller than a 302/32735o, that's where the clearance issue is. JW

 

Will a standard 350 crank pistons and the connecting rods fit into my 327 block to make a 350 with no machining?? Hopefully I can get a quick simple answer as the whole 350 is all dis***embled and the guy only wants $25 dollars. I’m going to get it in the morning if I can get these brakes bled on this truck