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Discussion Starter · #1 ·
Just seeing if anyone is interested. I’m building a 331 from a stock block for my 93’ LX. I will be having it dynoed after it’s complete. John Bouchard is building my short block. I’ll finish the top end. If you are interested let me know and I’ll post my parts list and dyno numbers. This may help someone who is trying to decide on parts or cubic inches etc….
 

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Discussion Starter · #7 ·
I'm very interested in seeing your dyno numbers after it is complete. I'm also interested to see what top end you are using.
-Trickflow Specialties 11R 190 cylinder heads w/ ARP 7/16 rocker studs. Set up at Flowtech Induction.
-FTI Gen 6 PAC 1207X valve spring package
-Morel MRL-5323 link bar hydraulic roller lifters
-Comp Cams Pro Magnum chromoly
1.6 roller rocker arms
-Comp Cams billet core 231/238 duration .580/.579 lift 110 LSA camshaft. LSL intake lobes/ LRL exhaust lobe
-Clevite cam bearings
-Edelbrock RPM Air Gap intake
-AED HO 750 cfm carburetor
-Holley 1 inch aluminum carburetor spacer
-BBK 1 3/4 inch ceramic coated long tube headers
 

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Discussion Starter · #9 ·
thats 427.8hp
I’ll take it. Compression will be around 10.7 to 1 with the 56cc combustion chambers. The bottom end is.
-DSS Racing SX 4.030 forged pistons 5cc dish
-Scat 4340 forged “I beam” connecting rods 5.4 inch w/ king bearings
-Eagle cast crank shaft 3.25 stroke w/ clevite bearings
-DSS Racing main cap girdle
-DSS oil pickup
-Melling M68 oil pump
-ARP oil pump driveshaft
-DSS oil pan
 

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Discussion Starter · #11 ·
i thought i was funny but I think im actually pretty close. the dss pistons are a tad on the heavier side but still will get what you want gl with it. i love 331s
The block just got hot tanked Friday (24 Sep). Hopefully get all the machine work done this coming week and short block done by 8 October. I’ll pick up the short block and finish the top end at my house. Hopefully by 15 October get it on the dyno. I can’t wait to hear it for the first time and see how much power it’ll make. I hope to be driving my car again by the end of October.
 

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Discussion Starter · #25 ·
That was at the flywheel not the wheels.
Yes sir. I was just showing the engine John built and why he was thinking my 331 will be close to 500 crank hp since this comparable 347 made 551 crank hp. Same heads and similar pistons I am using. My cam is a bit more than the 347’s cam though.
 

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Discussion Starter · #27 ·
I can’t wait to find out. It’ll be going through a Tremec 3550 to a 4.10 rear end. No power steering or A/C. 1 3/4 long tubes, 2 1/2 inch X pipe to flow master 40’s out to the rear bumper.
 

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Discussion Starter · #29 ·
Nope... flag on the play.

347s with E cams and 11r heads are NOT out here swinging 550 HP,
So, you’re saying John Bouchard, who builds engines for SEMA cars. Who was a host on Horsepower TV. Who builds engines for featured LS Fest cars and many other events didn’t build a 551 hp 347 with an E303 plus cam and 11R 190 heads running on pump gas? I’m gonna see if he has the dyno sheet available and I’ll post a picture of it if he does.
 

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Discussion Starter · #31 ·
Not saying he did or didn't but I know for a fact dyno's can be MADE to put up a number YOU want.
I asked him the same question. He told me every time they run an engine that they think will run 1000 plus Hp they have to calibrate the dyno. He believes it was accurate. Anyway, honestly I’ll probably never know, so all I can do is hope when it’s time to run my engine everything is on the up and up. I have no reason to believe it won’t be.
 

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Discussion Starter · #37 ·
Ya, I don’t know how this thread turned into the “no way a 347 made 551hp” thread. I was just using that as an example of what my 331 may be comparable to since we used a few of the same parts. I will be extremely happy with 450 crank hp when it’s all said and done.
 

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Discussion Starter · #41 ·
I dont think you realize how long Corral.net has been online with many of its knowledgeable members. For 20+ years of seeing hundreds if not thousands of 347 build threads, a lot of us know what parts it takes to make 550hp 347's. You said that 347 even had a milder cam than yours correct?? The 11r heads, Victor jr and 750dp will support a 550hp 347 but NOT with a MILD hydraulic roller cam.
Got it. Let’s forget about the 347. I just wanted to talk about the parts for my 331 and hopefully they can help someone who is trying to put a parts list together. Also give some horsepower guesses before it hits the dyno.
 

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Discussion Starter · #48 ·
I've been building motors for over 30 years, We've built thousands of 302 strokers.

That is exactly what I am saying. Also, I can make a dyno say pretty much anything I want. That is why no one races dynos.
This is the very reason why I left Facebook. You lost me when you called a combustion engine a “motor “
 

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Discussion Starter · #61 ·
What’s funny is I assume Mark O’Neal is the founder or CEO of Probe industries. If so, he’s let some little ole dumbass like me get under his skin. **** all ya’all Democrats!
 
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