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My HorsePower Research HPR 468 build

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Old 05-15-2019, 07:38 PM
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Originally Posted by jimbo1367
i'll give the guess a shot. I say.......... A lot more than stock.
505 sae, +/- 2%
Old 05-15-2019, 08:12 PM
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Originally Posted by Jimbo111367
I'll give the guess a shot. I say.......... a lot more than stock.
ON THE MONEY!! lol
Old 05-15-2019, 08:25 PM
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Originally Posted by Jimbo1367
I'll give the guess a shot. I say.......... a lot more than stock.
What exactly would a STOCK 468 make?
Old 05-15-2019, 09:31 PM
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Originally Posted by Darth_V8r
What exactly would a STOCK 468 make?
Uhhh… more than a stock 372??
Old 05-16-2019, 04:05 AM
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Great build.
Those brodix heads have amazing flow
Old 05-16-2019, 10:30 AM
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Originally Posted by G Atsma
Uhhh… more than a stock 372??
Whatever was OEM
Old 05-16-2019, 10:45 AM
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Originally Posted by Darth_V8r
What exactly would a STOCK 468 make?
Probably ~565 horsepower from GM
Old 05-16-2019, 02:28 PM
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I’ll bite. I’m going to guesstimate 776hp/650tq. Either way I can’t wait for this to happen for the sake of the intake. Been waiting a while for this.
Old 05-17-2019, 12:48 PM
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I will guess a little higher at 805 hp and 675 tq.
Old 05-17-2019, 01:20 PM
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Assuming we're talking engine dyno, I'm thinking 870 HP. Really just depends on where in the RPM band it peaks.
Old 05-17-2019, 01:54 PM
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Originally Posted by Darth_V8r
Assuming we're talking engine dyno, I'm thinking 870 HP. Really just depends on where in the RPM band it peaks.
I would agree 870HP (1.85HP:CI) is def within reason given the parts list and engine size. Then it's just a matter of execution and peak RPM. Is this a pump gas combo?
Old 05-17-2019, 03:16 PM
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Originally Posted by cdubbzz
I would agree 870HP (1.85HP:CI) is def within reason given the parts list and engine size. Then it's just a matter of execution and peak RPM. Is this a pump gas combo?
Primarily E54 pump ethanol for daily use (i'm a flex fuel car)........if we determine that full E85 or MS109 does better, I'll have a separate tune for it for track use only.
Looking for a peak in the 71-7200 range, I believe we want to keep max set at 7700 (high piston speeds).....I'm not a dedicated 1/4 drag car.
870 would absolutely blow my mind, to be honest..... I think I'll fall short of that number, but we shall see what the intakes are going to do.

Last edited by fnbadaz06; 05-17-2019 at 03:52 PM.
Old 05-17-2019, 07:25 PM
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Depends if bhp or rwhp. If you are talking rear wheel I would say 720 range.
Old 05-17-2019, 10:29 PM
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What does the builder think it ll dyno flywheel? Im curious myself
Old 05-18-2019, 10:01 AM
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Originally Posted by Darth_V8r
Depends if bhp or rwhp. If you are talking rear wheel I would say 720 range.
We’re talking engine Dino.
Old 05-18-2019, 10:04 AM
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Originally Posted by rkupon1
What does the builder think it ll dyno flywheel? Im curious myself
They have never engine dynoed this type of setup before......
Optimistic, but we haven’t really set any expectations on output.
Old 05-18-2019, 03:18 PM
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Originally Posted by Darth_V8r
Assuming we're talking engine dyno, I'm thinking 870 HP. Really just depends on where in the RPM band it peaks.
Come on guys lets be realistic......870??
Old 05-18-2019, 08:10 PM
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I'll play too, 712HP 623TQ-655TQ depending on intake
Old 05-18-2019, 08:11 PM
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Originally Posted by fnbadaz06
They have never engine dynoed this type of setup before......
Optimistic, but we haven’t really set any expectations on output.
Ok ok, than im gunna guestimate 760hp. I dont know alot about these alternative fuels you guys have, but i know it makes more power. Solid roller on big cubes, yea im anxious to see
Old 06-06-2019, 10:34 AM
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Update - An engine dyno upgrade/update did not go as smoothly as planned for our test facility. so we missed our open availability dates.
The dyno has been repaired and tested, but myself and the other players are booked solid thru early July, so we are looking at mid-late July to finally get her strapped on the dyno and testing beginning.
I've got to get it done before John B. departs for his summer vacation home in the Pacific N.W. or I'll be getting some beef for the next 4-5 months LOL

Timing sucks but it's hitting the beginning of real summer time temps here in Phoenix, AZ so I won't be getting any track time until the fall.

Last edited by fnbadaz06; 06-06-2019 at 10:39 AM.


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