438 23º SBC = 798hp 588tq from 6300-8000

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SpeierRacingHeads
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438 23º SBC = 798hp 588tq from 6300-8000

Post by SpeierRacingHeads »

Good fast bracket race 438 cid SBC engine on the dyno today built by Steve Dickey for his son Blake Dickey. The engine will be going in 2480 lb 63 Chevy II NOVA. The average power IMO is killer. 23 degree is alive and well!

827 hp at 7600
621.8 tq at 6300
798 avg hp
588 avg tq
6300-8000 rpm

438 cid
Dart Little M2 block
4.175 bore
4.000 stroke
15.8 compression
CP Piston
1.00mm, 1.00mm, 2.00mm ring package
.391 Raised Cam
BBC Cam Core
.904 BAM Lifters
23 deg Profiler 3.0V by Speier Racing Heads
Edelbrock 2971 manifold
LRC 2.25 blade carb
APD BLACK WIDOW SPACER
1 3/4" - 1 7/8" Headers
3 1/2" collectors
Star Vacuum Pump
VP Q16 fuel


https://youtu.be/TD_6Z58eHMM


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Re: 438 23º SBC = 798hp 588tq from 6300-8000

Post by KnightEngines »

Yep, that'll do!
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Re: 438 23º SBC = 798hp 588tq from 6300-8000

Post by bob460 »

Who is this Chad dude.............he know's a thing or two.....lol =D>
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Re: 438 23º SBC = 798hp 588tq from 6300-8000

Post by levisnteeshirt »

Cam specs ?
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Re: 438 23º SBC = 798hp 588tq from 6300-8000

Post by SpeierRacingHeads »

levisnteeshirt wrote: Mon May 23, 2022 9:57 am Cam specs ?
274/290 114 .937/.900
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Re: 438 23º SBC = 798hp 588tq from 6300-8000

Post by Geoff2 »

And 'they' keep telling us you gotta have a short stroke for high rpm....
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Re: 438 23º SBC = 798hp 588tq from 6300-8000

Post by Geoff2 »

What length rods?
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Re: 438 23º SBC = 798hp 588tq from 6300-8000

Post by SpeierRacingHeads »

Geoff2 wrote: Tue May 24, 2022 3:10 am What length rods?
6
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Re: 438 23º SBC = 798hp 588tq from 6300-8000

Post by SupStk »

Good results there Chad. Did you post anything on those heads? My opinion, that's good power for N.A. 23 degree stuff !
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Re: 438 23º SBC = 798hp 588tq from 6300-8000

Post by CIGARETTEDFL »

I'll be interested to see what ET's this engine runs at that weight.
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Re: 438 23º SBC = 798hp 588tq from 6300-8000

Post by SpeierRacingHeads »

SupStk wrote: Tue May 24, 2022 4:30 pm Good results there Chad. Did you post anything on those heads? My opinion, that's good power for N.A. 23 degree stuff !
It's my v3.00 which is a ProFiler SRH casting with a 265cc port. 2.150/1.600 valve.

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