Mopar 350 Stroker

[Racingcowboy89]

View attachment 1716489250

Right just so you know that's what Summit Racing technician line is for so they can give you a good camshaft.

 

[RustyRatRod]

Right just so you know that's what Summit Racing technician line is for so they can give you a good camshaft.

Nah. I wouldn't listen to them.

 

[Racingcowboy89]

Nah. I wouldn't listen to them.

I have to disagree with you on that as Summit Racing got some good techs that do work for them.

 

[Illahe]

Right just so you know that's what Summit Racing technician line is for so they can give you a good camshaft.

You’re talking to a “tech” making a bologna sandwich in their kitchen.

 

[RustyRatRod]

I have to disagree with you on that as Summit Racing got some good techs that do work for them.

Ok. Go for it. You keep showing how much you don't know.

 

[junkyardhero]

Right just so you know that's what Summit Racing technician line is for so they can give you a good camshaft.

i mean sure. why not.

 

[Garrett Ellison]

The top numbers look like it was from a custom grinder. The lower numbers are from another manufacturer, like they had a core and put that grind onto it. If you have cam bearings in the block you could see if it’s actually made for an LA Mopar. Let’s see the front of the cam.

 

[Racingcowboy89]

The top numbers look like it was from a custom grinder. The lower numbers are from another manufacturer, like they had a core and put that grind onto it. If you have cam bearings in the block you could see if it’s actually made for an LA Mopar. Let’s see the front of the cam.

Garrett here

 

[RustyRatRod]

That appears to be a roller.

 

[Garrett Ellison]

Okay, thanks! Was concerned at first because the lower number comes up as a Buick cam on google. But that’s a Mopar snout, so you’re good there. Use your dial indicator and measure the lobes like so and report your findings. The dial caliper is fine for this.
Google Image Result for https://i0.wp.com/nasaspeed.news/wp-content/uploads/2019/08/nasaspeed.news_2019-08-28_00-52-07.jpg?resize=612%2C332&ssl=1

 

[Racingcowboy89]

Okay, thanks! Was concerned at first because the lower number comes up as a Buick cam on google. But that’s a Mopar snout, so you’re good there. Use your dial indicator and measure the lobes like so and report your findings. The dial caliper is fine for this.
Google Image Result for https://i0.wp.com/nasaspeed.news/wp-content/uploads/2019/08/nasaspeed.news_2019-08-28_00-52-07.jpg?resize=612%2C332&ssl=1

When I tried to look up those cam numbers google kept on giving Crowers cam, but none of the numbers matched with any camshaft they had for a Mopar 318. I was like somebody had to make that camshaft.

 

[340six]

I was going to order a new camshaft from Summit Racing but I was gonna go to Crower also.

When you have heads done and CCed short block assembled. So you know how far in cylinder pistons are, CC of vavle relief (and how many 2 or 4) send it out to a grinder (Oregan)
Weight of vehicle, rear gear, converter
IE the more info the better.
Don't pick a cam.and build motor around it.
I do not wish bad on anyone but don't count on anything. Heads could need everything and or be cracked too.
Looks like you have Head cores ( if not cracked) and cam core. The rest is not worth it.
It's Forest Gumps box of chocolates. Why spend time and money on a gamble when a sure thing cost less.
Get another core long block preferably a roller years. Most need very little. My 2002 one ton van ran well and had over 300k miles.

 

[RustyRatRod]

When I tried to look up those cam numbers google kept on giving Crowers cam, but none of the numbers matched with any camshaft they had for a Mopar 318. I was like somebody had to make that camshaft.

It's likely a regrind.

 

[Garrett Ellison]

I’m really curious about if they ran the cam with that combination. It’s an iron cam core so it’s probably a hydraulic roller cam. It usually requires a billet core for the spring pressures required for a solid roller cam.

 

[Racingcowboy89]

I’m really curious about if they ran the cam with that combination. It’s an iron cam core so it’s probably a hydraulic roller cam. It usually requires a billet core for the spring pressures required for a solid roller cam.

Well I could do a whole new combo to it.

 

[Illahe]

When I tried to look up those cam numbers google kept on giving Crowers cam, but none of the numbers matched with any camshaft they had for a Mopar 318. I was like somebody had to make that camshaft.

Does your engine block have the pedestals for a hydraulic roller spider? Post a picture of the lifter valley.

 

[Garrett Ellison]

I’ll have to look at my factory hydraulic roller cores to see if one of them has the same numbers. I’ll do that tomorrow once the world unfreezes some.

 

[Racingcowboy89]

When you have heads done and CCed short block assembled. So you know how far in cylinder pistons are, CC of vavle relief (and how many 2 or 4) send it out to a grinder (Oregan)
Weight of vehicle, rear gear, converter
IE the more info the better.
Don't pick a cam.and build motor around it.
I do not wish bad on anyone but don't count on anything. Heads could need everything and or be cracked too.
Looks like you have Head cores ( if not cracked) and cam core. The rest is not worth it.
It's Forest Gumps box of chocolates. Why spend time and money on a gamble when a sure thing cost less.
Get another core long block preferably a roller year most need very little. My 2002 one ton van ran well and had over 300k miles.

It was the 1st ever 318 LA engine I ever picked up. Guys like Gary's Garage on YouTube was using 318 for drag racing and that's how it caught my interest.

 

[RustyRatRod]

I gotta say, I think at this point, I'd look at a 5.9 Magnum core. It'll be a lot less money spent.

 

[Garrett Ellison]

I think he said 1973 block. Gary’s Garage… He had taken his 318 to 4.03 bore and made a 408 out of it. It was fast for a while finally split a cylinder and hydraulicked during a run. There was a thread about it here a few years back.

 

[Racingcowboy89]

Does your engine block have the pedestals for a hydraulic roller spider? Post a picture of the lifter valley.

Here the top of the lifter valley.

 

[Racingcowboy89]

I gotta say, I think at this point, I'd look at a 5.9 Magnum core. It'll be a lot less money spent.

Yeah but there not much part options like there is for the LA's.

 

[Illahe]

I gotta say, I think at this point, I'd look at a 5.9 Magnum core. It'll be a lot less money spent.

Good point. When it comes to the 318, ya gotta want it…

I’ve got a 75 standard bore block and a fresh steel crank in the shop, but I can’t wrap my head around the $ for enough compression to make it respectable.

 

[Illahe]

I think he said 1973 block. Gary’s Garage. He had taken his 318 to 4.03 bore and made a 408 out of it. It fina

Here the top of the lifter valley.

View attachment 1716489270

you may want to price some tie bar lifters…

 

[Racingcowboy89]

I gotta say, I think at this point, I'd look at a 5.9 Magnum core. It'll be a lot less money spent.

Technically if wanted to spend less options on money then I have to get a Chevy 350 which is cheap to build. Being that not an option yet 2 Mopar 318 engines are gonna have to do at the moment.