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Help me build a 370. Please!

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Old Aug 8, 2018 | 02:20 PM
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Why are we spending $2500+ On a forged bottom end but only buying stock 243's?
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Old Aug 8, 2018 | 02:28 PM
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Originally Posted by Mavn
Why are we spending $2500+ On a forged bottom end but only buying stock 243's?
rods and pistons only 1150 including rings. Not counting machine work obviously
799 are being shipped to total engine airflow as we speak
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Old Aug 8, 2018 | 02:32 PM
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I think the more important question is why are we going with a forged bottom end and ported 799s for a torque build?

Bang for the Buck on this setup is going to be pretty sad.
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Old Aug 8, 2018 | 02:50 PM
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.....

Last edited by 5.7stroker; Aug 8, 2018 at 04:25 PM. Reason: Wasn't trying to hijack thread
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Old Aug 8, 2018 | 02:59 PM
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Old Aug 8, 2018 | 03:29 PM
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Originally Posted by JoeNova
I think the more important question is why are we going with a forged bottom end and ported 799s for a torque build?

Bang for the Buck on this setup is going to be pretty sad.
what would you do to the 799's ? Just a clean up? I'm not having them work on intake side because I wanted to keep velocity up
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Old Aug 9, 2018 | 08:26 AM
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Waiting on your ideas.
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Old Aug 9, 2018 | 08:48 AM
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Originally Posted by trik396
what would you do to the 799's ? Just a clean up? I'm not having them work on intake side because I wanted to keep velocity up
you still need to let that big engine breathe. I think it would be a mistake not opening it up some unless your putting it in a truck and want to tow heavy with it.
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Old Aug 9, 2018 | 10:12 AM
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Going in an 84 Cutlass. I'm getting too much differing opinions
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Old Aug 9, 2018 | 10:48 AM
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Originally Posted by trik396
Going in an 84 Cutlass. I'm getting too much differing opinions
this is the Internet. You’ll get opinions. Regurgitated info. You’ll get facts. Lies. Misconceptions. Bullshit. You name it. You’ll get guys who sound like they know what they are talking about but then if you read their other threads or posts, you’ll notice they can’t even change their own cam. Swap heads. Or even change a water pump. Those guys are laughable. All they do is repeat **** they heard or read. Try to at least take into consideration info from people that do their own work and own tuning. I see people spit **** out about transmissions on here that haven’t even seen one apart much less probably never even changed their own fluid and filter. I guess all this bs is good in a way becaysecif you like responses, you lol get them but say that only experienced people were allowed to post.....it would probably be like a ghost town up in here, seems like nowadays a lot of people just pay someone else to do it. I can’t do that, I couldn’t claim that I built my own car then. I do everything on my own, whether it’s build my own motors, transmissions,rear ends, port my own heads, tune, paint, powdercoat, weld. I’m no pro at some of these things but I can get it done on my own. So my advice to you is find guys that have actually done it. Those are the guys that won’t lead you in the wrong direction.
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Old Aug 9, 2018 | 11:47 AM
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Very well done sir ! I have done most of it myself also. I haven't tackled paint or a trans rebuild yet. Going to try painting this one tho but I'll leave the trans work to a specialist
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Old Aug 9, 2018 | 12:38 PM
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Since your goal is usable lower RPM torque, have you considered a 4” or 4.125” stroke crank to make it a 4xx cube engine? You’re already biying rods and pistons; the crank isn’t much more when you consider the work that usually needs to be done to a stock crank. Aftermarket cranks also have a keyway already cut in the snout so you won’t have to use that stupid crank pinning kit when/if you go with a supercharger later.

Since it’s been brought up, I have a 440ci shortblock with a set of 317’s on top, so I can speak from experience.
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Old Aug 9, 2018 | 01:23 PM
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Originally Posted by KCS
Since your goal is usable lower RPM torque, have you considered a 4” or 4.125” stroke crank to make it a 4xx cube engine? You’re already biying rods and pistons; the crank isn’t much more when you consider the work that usually needs to be done to a stock crank. Aftermarket cranks also have a keyway already cut in the snout so you won’t have to use that stupid crank pinning kit when/if you go with a supercharger later.

Since it’s been brought up, I have a 440ci shortblock with a set of 317’s on top, so I can speak from experience.
did you build it yourself.......just kidding! And for the record, I was taking jabs at no one in particular, just I see a lot of info given out from people that don’t turn their own wrenches but act like they do.
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Old Aug 9, 2018 | 01:38 PM
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Originally Posted by Kfxguy


did you build it yourself.......just kidding! And for the record, I was taking jabs at no one in particular, just I see a lot of info given out from people that don’t turn their own wrenches but act like they do.
Actually, yeah. I machined it, built it, and installed it myself. I’m even doing the tuning.

I know what you mean though, and I agree. This place has changed. There used to be a lot of knowledgeable people on here. It’s not really that way anymore.
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Old Aug 9, 2018 | 02:44 PM
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Originally Posted by KCS

Actually, yeah. I machined it, built it, and installed it myself. I’m even doing the tuning.

I know what you mean though, and I agree. This place has changed. There used to be a lot of knowledgeable people on here. It’s not really that way anymore.
that’s awesome. I don’t have access to machine my own blocks or heads but my buddy has a 5 angle super accurate valve job setup. I do have a mill and a lathe but not big enough to machine anything large.

Yea, the way hot rodding is has changed. And mechanic work. I work at an automotive dealership and there’s no more rebuilding anything. They just swap parts. Except there was a huge piston ring recall and they had to change the rings on three cylinders. Actually still kind of going on.....I guess the manufacturer didn’t want to have to send short blocks out.

Anyways, getting back to the op original question, I think a btr stage 2 cam would be very torquey in a 370cu in engine. I think you’d be very happy with that. I would port the heads or use ls3 heads. I think the 317’s have a larger combustion chamber than 243/799 heads so you may want to take that into consideration.
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Old Aug 9, 2018 | 02:58 PM
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Originally Posted by KCS

Actually, yeah. I machined it, built it, and installed it myself. I’m even doing the tuning.

I know what you mean though, and I agree. This place has changed. There used to be a lot of knowledgeable people on here. It’s not really that way anymore.
Truth!
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Old Aug 9, 2018 | 11:48 PM
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Originally Posted by KCS
Since your goal is usable lower RPM torque, have you considered a 4” or 4.125” stroke crank to make it a 4xx cube engine? You’re already biying rods and pistons; the crank isn’t much more when you consider the work that usually needs to be done to a stock crank. Aftermarket cranks also have a keyway already cut in the snout so you won’t have to use that stupid crank pinning kit when/if you go with a supercharger later.

Since it’s been brought up, I have a 440ci shortblock with a set of 317’s on top, so I can speak from experience.
I thought about doing 408 but I believe that this little 370 will have more than enough power to put a smile on my face.
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Old Aug 10, 2018 | 05:59 AM
  #38  
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No matter the cubes the choice of cylinder heads and the cam can eithier make the car or break the car. I've seen some 408s on here that barely outrun some ls1s. Just saying.....
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Old Aug 10, 2018 | 04:26 PM
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Originally Posted by Tuskyz28
No matter the cubes the choice of cylinder heads and the cam can eithier make the car or break the car. I've seen some 408s on here that barely outrun some ls1s. Just saying.....
Point taken. And one reason I didn't go with bigger cubes. Going to be 100% street car. You can have 1000hp but it you go up in smoke the guy next to you that doesn't is going to beat you.
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Old Aug 10, 2018 | 06:02 PM
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Originally Posted by trik396
Point taken. And one reason I didn't go with bigger cubes. Going to be 100% street car. You can have 1000hp but it you go up in smoke the guy next to you that doesn't is going to beat you.
I agree. I'm go say you'll get more miles on the 370ci by using a factory spec crank over a 4 inch crank but that's just my opinion.
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