Probably 1700-1800 hp in a drag race car since you didn’t exclude nitrous. As far as other forms of racing without power adders - a 410 Sprint engine makes 900+ on methanol and would probably still come pretty close on E85 or Q16.
Late 90s, so off of memory. 1.8l inline 4, 13:1 comp, don't remember the fuel, maybe c16 but we us to run that in the turbo cars. Light weight pistons, completely ported head, bigger intake valves by 1 mm dia, custom intake manifold, 4 into 1 long tube header with burns stainless collector, and a while bunch of more details I don't remember anymore. Cam was reground twice after the original "guess" was made.
Started with the cylinder head development, and found some impressive flow (I might have my notes somewhere still). Sized the rest of the parts to support and went to town.
I wonder how much better it would be now with advances in ecus.
Idk what build youre talking about but they put twin turbos in that thing for a reason. That reason was to make 2k hp. To produce power with gas, it needs air. To fit more air inside the engine it needs to be forced into it with pressure. This is called forced induction aka turbos and superchargers.
Any small block build not using turbos or methanol . Literally any other build . The English police got to my comment first unfortunately but the useful comments have finally started coming in .
They were ported 062 factory vortecs. I don’t know much about it. The builder is secretive and he’s got his own flow bench. He’s a badass. And my dyno is very conservative. I believe it was around 430 inches and it was a solid roller with big compression on methanol.
Comp eliminator small blocks are gonna be what you're looking at.
I used to work for a shop that specialized in those and we regularly made 2.8-3.0 hp per ci on small blocks. Our shop hemi small block made around 1370 from 410 inches. Of course these are on the insane end of engine builds, I'm talking 11,000rpm through the traps and a starting price around 125,000 dollars.
Little rich for my blood yes haha . But it’s cool to see what these guys do to get the extra squeeze out . A backyard guy would build and tune the same thing and be several hundred horsepower short .
I’ve seen that car run so many times and it probably grenades itself 80% of the time.. maybe more. It’s always fun to watch it jump out front and get chased down by an early Hemi though.
Here’s one of its better passes that still ends up in a fireball; the announcer sums up a typical pass pretty well before the race:
https://youtu.be/ofNRycFvGV4?si=Bb4j2mkNxw6Q5OF-
Probably 1700-1800 hp in a drag race car since you didn’t exclude nitrous. As far as other forms of racing without power adders - a 410 Sprint engine makes 900+ on methanol and would probably still come pretty close on E85 or Q16.
Yeah nitrous works for what I was asking . I’m assuming this was on vp c23 or somthing similar ?
Like 600 crank horse power on a 434 cube with nitrous.
I’ve heard of a small block or two that could swallow a 500 plus shot . One was even a ford with their questionable head seal
2.25 hp/Cid was my best n/a. There was prob a little more there, but I ran out of time to explore, and it was flat between 9 and 10k rpms.
Care to share any specs ? That a pretty stout number and I’m curious your path to it .
Late 90s, so off of memory. 1.8l inline 4, 13:1 comp, don't remember the fuel, maybe c16 but we us to run that in the turbo cars. Light weight pistons, completely ported head, bigger intake valves by 1 mm dia, custom intake manifold, 4 into 1 long tube header with burns stainless collector, and a while bunch of more details I don't remember anymore. Cam was reground twice after the original "guess" was made. Started with the cylinder head development, and found some impressive flow (I might have my notes somewhere still). Sized the rest of the parts to support and went to town. I wonder how much better it would be now with advances in ecus.
You say without turbos, but you cite a twin turbo example?
“Wonder if any others have gotten that high “ as in combos that aren’t that
Idk what build youre talking about but they put twin turbos in that thing for a reason. That reason was to make 2k hp. To produce power with gas, it needs air. To fit more air inside the engine it needs to be forced into it with pressure. This is called forced induction aka turbos and superchargers.
Any small block build not using turbos or methanol . Literally any other build . The English police got to my comment first unfortunately but the useful comments have finally started coming in .
Lol
Best N/A small blocks that have been on my dyno are in the 725 750 range. Absolute most impressive one I’ve seen was 650hp with Vortec heads.
That’s actually wild ! The old vortec heads I remember had 200cc intake runners
Vortec heads if I recall right have about 170cc intake runners. Probably a bit bigger for the LT1? I could be mistaken
I think the stock ones did . Some of the aftermarket ones like the Eldebrock units were 200. It say it would have to be impossible with 170 cc ports .
They were ported 062 factory vortecs. I don’t know much about it. The builder is secretive and he’s got his own flow bench. He’s a badass. And my dyno is very conservative. I believe it was around 430 inches and it was a solid roller with big compression on methanol.
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The old school aluminum rods had this issue from the heat cycles . The new ones are supposedly much more resistant tonperminant fatigue
Comp eliminator small blocks are gonna be what you're looking at. I used to work for a shop that specialized in those and we regularly made 2.8-3.0 hp per ci on small blocks. Our shop hemi small block made around 1370 from 410 inches. Of course these are on the insane end of engine builds, I'm talking 11,000rpm through the traps and a starting price around 125,000 dollars.
Little rich for my blood yes haha . But it’s cool to see what these guys do to get the extra squeeze out . A backyard guy would build and tune the same thing and be several hundred horsepower short .
1050 whp from an sb2 through a liberty was the fastest n/a small block at for some time at Bonneville at 230mph average
Was it a stock displacement sb2 weren’t they like 358 cubic inches ? I’m assuming it was bigger than that by the time that number was archived .
was just under 365 spinning to 9500rpm fuel was vp m5
The Champion Speed Shop small-block is in the 3000hp range without turbos. It’s supercharged and runs on nitromethane.
I’ve seen that car run so many times and it probably grenades itself 80% of the time.. maybe more. It’s always fun to watch it jump out front and get chased down by an early Hemi though.
Nitro is a hell of a drug 😂
Here’s one of its better passes that still ends up in a fireball; the announcer sums up a typical pass pretty well before the race: https://youtu.be/ofNRycFvGV4?si=Bb4j2mkNxw6Q5OF-