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Generation IV Internal Engine
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Old 03-30-2010, 09:09 PM   #1
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Default 454 LS2 build

Built the engine today over at Turn Key Engine Supply..

This 454 will be going into my '68 Camaro called Bad Penny. Should be in a ready to race in 1.5 weeks.

Darton MID sleeved LS2 block done by Steve over at Race Engine Develpment in Oceanside.

K1 crank
K1 rods
Darton sleeved LS2 block
ARP studs, mains dowel pinned
Trick Flow 235 heads
Comp 243/259 .624 114 LSA cam
Comp Ultra Gold 1.72 rockers
FAST 102mm intake
Comp magnum lifters
Comp push rods (7.450)
FAST injectors and fuel logs
Moroso oil pump
yada yada

4.185 bores using Darton's MID sleeves. Wiseco pistons.
Click the image to open in full size.

Ready to head off to Westech for dyno runs on Wednesday.. 72cc TF 235 heads with 9.235 deck height and Cometic gaskets should yield 11.3:1 compression.
Click the image to open in full size.

Will start the install on Friday. The Canton oil pan is off at our tig welder getting a little mod.

Any guesses as to what she puts down tomorrow (corrected).. Should be interesting.
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Old 03-30-2010, 09:24 PM   #2
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Sweet build....its gonna be badass.

If it doesn't put down (as in RWHP) 630-640 RWHP through an M6 something is wrong.

.
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Old 03-30-2010, 10:26 PM   #3
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I'd like to try out those rockers. Do you have an pics of them on the engine close up? Looks like a nice Build as well!
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Old 03-30-2010, 10:43 PM   #4
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I'd like to try out those rockers. Do you have an pics of them on the engine close up? Looks like a nice Build as well!
The build is for a magazine story in Camaro Performers.. hence the "pretty" shots..

Here are those rockers.. nice stuff.

Click the image to open in full size.
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See Bad Penny run the cones: http://www.youtube.com/watch?v=8GUPPIX-92U

2000 SS, 1969 LS1, and 1968 LS2 Camaros
Oh, and a 1970 Fairlane just to show I could...
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Old 03-30-2010, 11:15 PM   #5
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They do look very nice!
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Old 03-31-2010, 12:02 AM   #6
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Wow Steve, that went from idea to assembled fast!
It looks incredible!
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Old 03-31-2010, 04:13 AM   #7
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I noticed that instead of using a coolant crossover you just plugged the front also...Any reason for this???
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Old 03-31-2010, 04:58 AM   #8
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Default 454

Nice, I wish I would have went with the MID when I did mine. I'd like to hit mine with some laughing gas, but the dry liners really won't take much more than a 100 shot. For that, no sense bothering with it.

As for HP, you talking RW or Engine dyno? If RW, too many variables.

Think those cathedral port heads might hold you back a little ?

Mine did 559 RW and tires started slipping on the dyno. At 3K RPM it already had 450 lbs of torque. It has a small cam and it's fun to drive. I might do a larger cam soon......
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Old 03-31-2010, 09:00 AM   #9
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I noticed that instead of using a coolant crossover you just plugged the front also...Any reason for this???
It won't be that way in the car.. the crossover will be plumbed into the top of the water pump. That engine was just set for transport to the dyno.
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See Bad Penny run the cones: http://www.youtube.com/watch?v=8GUPPIX-92U

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Old 03-31-2010, 07:50 PM   #10
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Today was dyno day.. my guess (what I hoped for) was 650/620.. turned out to be a decent guess.

While the cam we're running is large compared to other LS cams it's not that big considering the displacement of the engine. COMP said I could pick up a bunch of tq/hp by moving to a more aggressive 112 LSA, but drivability and idle would suffer.

Since I don't want too much power and I want to keep my street friendly drivability we settled on a 114 LSA.

Fired right up.. idle was good and after some break in time Westech made some pulls and adjusted the A/F..

Best pull was 650 hp and 613 tq.. but the best part is that even down at 3500 rpm it's already making 550 lb/ft. The torque peeks at around 4600 and is still well over 500 up at 6500. That's the kind of torque curve I was looking for - flat and a bit weighted to the bottom/midrange area.

Friday we start installing.. this engine should serve me well while I CAREFULLY build my RHS blocked / Mast Motorsport headed 460 engine.

Ready to rumble:
Click the image to open in full size.

Corrected graph: (correction factor was 1.042ish)
Click the image to open in full size.
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"A ship in port is safe, but that's not what ships are built for."

See Bad Penny run the cones: http://www.youtube.com/watch?v=8GUPPIX-92U

2000 SS, 1969 LS1, and 1968 LS2 Camaros
Oh, and a 1970 Fairlane just to show I could...
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Old 03-31-2010, 08:52 PM   #11
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wow very impressive
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Old 03-31-2010, 09:13 PM   #12
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Here's a little video for you guys.. turn your speakers up and rock out to the LS goodness..

http://www.youtube.com/watch?v=a6daS8Fae4k
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See Bad Penny run the cones: http://www.youtube.com/watch?v=8GUPPIX-92U

2000 SS, 1969 LS1, and 1968 LS2 Camaros
Oh, and a 1970 Fairlane just to show I could...
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Old 04-01-2010, 07:48 AM   #13
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Quick question...in the video it looks like the fuel crossover line is different than in the pics above...Better flow or something???? And nice power what the plans for the RHS block???
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Old 04-01-2010, 08:55 AM   #14
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Quick question...in the video it looks like the fuel crossover line is different than in the pics above...Better flow or something???? And nice power what the plans for the RHS block???
It's different because on one pull the hose failed and started spewing fuel.. hence the new line.

Same basic engine with better heads. The RHS engine will be a 4.155 bore and a 4.250 stroke. If they made a 4.200 stroke I would have done that, but they don't. Mast Motorsports LS3 12-degree heads and a slightly bigger cam should make a bit more power.
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"A ship in port is safe, but that's not what ships are built for."

See Bad Penny run the cones: http://www.youtube.com/watch?v=8GUPPIX-92U

2000 SS, 1969 LS1, and 1968 LS2 Camaros
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Old 04-01-2010, 10:16 AM   #15
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[quote=davidws6;13115040]Nice, I wish I would have went with the MID when I did mine. I'd like to hit mine with some laughing gas, but the dry liners really won't take much more than a 100 shot. For that, no sense bothering with it.

Really? Steve never told me that about my dry sleeves?? He actually said i shouldn't have a problem if i ever wanted to squirt some juice at it. I don't like the stuff and never would do it but this statement kinda makes me wonder.........
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Old 04-01-2010, 01:34 PM   #16
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Nice build! The pics are absolutely gorgeous!!

What stroke are you running? What is your redline? Did you consider maybe using a LS7 style head? Rectangular port heads, with those cubes, would of probably made more BUT that still doesn't take away from that engine build... badass!
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Old 04-01-2010, 02:00 PM   #17
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Nice build & pics!!!
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That doesnt mean its ok. If you race a lot and want to **** something up then yeah, 4lo is the way to go. Other than that, when wanting 4wd launches 4hi should be used exclusivly.
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Old 04-01-2010, 08:00 PM   #18
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Default Nice numbers

Wow, I thought those cathedral port heads would hold you back a little. But from the Dyno sheet, looks pretty good ! Nice low end torque and good HP !

As for the comment about the Dry sleeves from ramairws6, I think Steve did say I could go up to a 150 shot, BUT it's all in the Tune. If the Tune is spot on, should not be a problem !
But for a 150 shot? I'm not going to bother with it. I may try a larger cam and see what it does.
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Old 04-01-2010, 11:29 PM   #19
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i probalby supplied most the parts
we sell ALOOOOOOOOOT to turn key and BTW saw your engine when it was on the stand while back
turn key builds great engines
just yesturdayt saw them dyno a TTLSX on the dyno made 1000hp whooooop
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Old 04-02-2010, 12:21 AM   #20
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That should be a fun setup!
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Old 04-02-2010, 12:21 AM
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