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Old 03-17-2021, 07:54 PM
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Default Dyno day is almost here!

Been a long time coming! Way back in April of 2013 I broke my old stock block 462 in half on the street near my home.



It was a block failure...split from main up through the cam tunnel. This old engine with a set of 64cc Eheads was powering my 3600 lb GTO to 9.8’s in the quarter. I swore I would never build another engine for it unless it was an aftermarket block.




In the meantime my wife and I found 80 acres of land we wanted so I stored the GTO and we purchased the land and I fenced it which pretty much took our extra money for closing and fencing. A year later we had some more savings and decided we wanted to live on our land because we loved it so much so we built a house and shop on it. Again no extra funds...I saved a couple bucks and bought an IAIIA block in 2017, about a year later I bought a set of heads, 2 intakes, shaft rockers, lifters...










In 2019 I took the GTO to a chassis shop that mini tubbed it, rack and pinion steering, control arms, brakes, coil overs, crossmembers, tube core support, and a lot more roll cage.



2020 I decided it was time to start putting things together. I also decided the end result would be Mechanical Alcohol injected 535 CI so I needed an intake and sent a Gutsram I got with my wide ports to Hampton Blowers to get a top put on it...



We bought a cam based on 12.5-1 Blown alcohol.



Here is what it looks like with the 8-71 and hat...




But we are dynoing it built like this on gas and I will add the alcohol injected supercharger later...




What do you think this 380 CFM wide ported, 12.5:1, 535 ci engine should make on gas with the cam listed on the cam card with a 1050 dominator, Victor intake? We are dynoing Friday...


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Old 03-17-2021, 08:06 PM
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Congrats!
It's been a long time coming for you!

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Old 03-17-2021, 08:10 PM
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First and foremost, im glad to see you're going injection and not carbs!!
That lobe separation looks a bit tight for a blower car in my opinion..
Last, im most impressed with what you did to your block! Thats a true racer right there..

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Old 03-17-2021, 08:17 PM
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Originally Posted by shaker455 View Post
Congrats!
It's been a long time coming for you!
Yes it has!!!

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Old 03-17-2021, 08:25 PM
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Originally Posted by Scott Roberts View Post
First and foremost, im glad to see you're going injection and not carbs!!
That lobe separation looks a bit tight for a blower car in my opinion..
Last, im most impressed with what you did to your block! Thats a true racer right there..
Yes, the power potential with injection over carbs is too impressive to not try to take advantage of it.
I thought the same thing on LS of the cam but that is what my engine builder got as a recommendation from Comp...I figured it should have been at least 114.
That blown up engine lasted a long time. I changed the oil in it and found a main cap dowel pin on the magnetic drain plug. I pulled the engine and found where it came from and pulled the cap and reinstalled it. Nothing looked out of place so I buttoned it up and I decided to take it for a rip down the Highway...it got just into high gear when it let go...even more impressive is it lunched the converter, broke the trans bellhousing, and took out the ring gear in the rear!

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Old 03-17-2021, 09:04 PM
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Nice!
Who did the wide ports (they look cnc'd)? What valves are in them?

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Old 03-17-2021, 09:06 PM
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Glad to hear its almost done. 👍

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Old 03-17-2021, 09:17 PM
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725HP?

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Old 03-17-2021, 09:38 PM
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Looks great! Well worth the wait.

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Old 03-17-2021, 10:39 PM
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Where are you getting it dyno’d at?

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Old 03-17-2021, 11:03 PM
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You are going to have a great time with the new engine,congratulations. Engine looks bad to the bone, mean.
That engine blown must have been quite the experience.

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Old 03-18-2021, 12:27 AM
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825 HP

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Old 03-18-2021, 07:10 AM
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When the engine let go , did it look like that in the car or did it fall apart while lifting it out? Thats scary..

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Old 03-18-2021, 08:13 AM
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Engine looking good with the blower!


Quote:
What do you think this 380 CFM wide ported, 12.5:1, 535 ci engine should make on gas with the cam listed on the cam card with a 1050 dominator, Victor intake? We are dynoing Friday...

781 HP (Naturally Aspirated)



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Old 03-18-2021, 09:39 AM
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810 HP NA

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Old 03-18-2021, 11:57 AM
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Quote:
Originally Posted by slowbird View Post
Nice!
Who did the wide ports (they look cnc'd)? What valves are in them?
They are hand ported. I have no idea who did them originally originally. I had them flowed and that was it other than having 2.19 titanium intake and 1.77 stainless exhaust.

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Old 03-18-2021, 12:00 PM
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Quote:
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725HP?
I hope a little more. My blown up stock block 462 way back in early 2000’s made 716 with standard port e heads. You may be right though but I would be very disappointed.

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Old 03-18-2021, 12:01 PM
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Quote:
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Where are you getting it dyno’d at?
Shinook

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Old 03-18-2021, 12:04 PM
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Quote:
Originally Posted by Dragncar View Post
You are going to have a great time with the new engine,congratulations. Engine looks bad to the bone, mean.
That engine blown must have been quite the experience.
It actually just stopped immediately and did a quick lock up of the rear and then release.

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Old 03-18-2021, 12:05 PM
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When the engine let go , did it look like that in the car or did it fall apart while lifting it out? Thats scary..
The oil pan and intake was holding it together...

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