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KB solid block for bracket racing #2454562
02/20/18 02:38 PM
02/20/18 02:38 PM
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La.USA
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rick4106 Offline OP
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Anyone using a Solid KB block for bracket racing?

Re: KB solid block for bracket racing [Re: rick4106] #2454578
02/20/18 03:13 PM
02/20/18 03:13 PM
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merpar Offline
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I haven't been to the track yet. But yes I have a solid KB block in my car. Have only a few minutes at my house on the motor. Have it set up with an injectorator on methanol. Only possible problem I see is putting heat in the motor. Any questions? Would be glad to answer

Re: KB solid block for bracket racing [Re: rick4106] #2454694
02/20/18 06:16 PM
02/20/18 06:16 PM
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San Jose Ca.
boatracer572 Offline
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Originally Posted By rick4106
Anyone using a Solid KB block for bracket racing?


I have a solid kb block, it's no problem in my world running 40 degree lake water through to heads, I will tell you the oil temp comes up quickly, wouldent recomend a solid block for bracket racing on asphalt

Re: KB solid block for bracket racing [Re: rick4106] #2454767
02/20/18 09:30 PM
02/20/18 09:30 PM
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Cotati, CA
Dave Hall Offline
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Run a remote oil cooler and go for it! Let everyone know how it works! up

Re: KB solid block for bracket racing [Re: boatracer572] #2454864
02/20/18 11:58 PM
02/20/18 11:58 PM
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merpar Offline
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Boatracer, are you running methanol?

Re: KB solid block for bracket racing [Re: merpar] #2454895
02/21/18 01:15 AM
02/21/18 01:15 AM
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San Jose Ca.
boatracer572 Offline
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Originally Posted By merpar
Boatracer, are you running methanol?

C16 race gas

Re: KB solid block for bracket racing [Re: rick4106] #2455078
02/21/18 02:12 PM
02/21/18 02:12 PM
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Charlotte, North Carolina
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I plan on bracket racing with a solid Indy block on gasoline. I plan on running water through the heads and an oil cooler.


[image][/image]
Re: KB solid block for bracket racing [Re: rick4106] #2455091
02/21/18 02:38 PM
02/21/18 02:38 PM
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I just cannot see in a bracket situation where it would be a good idea. Especially on gasoline. Better get a HUGE oil cooler with an equally HUGE fan and figure out someway to circulate the oil between rounds. HP makes heat so if you are making any you are going to make some really warm oil especially late in the day when you get into quick turn arounds. Look no farther that what Tony is saying, he has access to unlimited COLD water to run through the engine and sees oil temps come up quick


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Re: KB solid block for bracket racing [Re: rick4106] #2455561
02/22/18 01:01 PM
02/22/18 01:01 PM
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rick4106 Offline OP
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This was a truck pulling engine. Would be on alcohol with water thru the heads. I was just thinking of a 3/4 filled block would be about the same?

Re: KB solid block for bracket racing [Re: rick4106] #2455699
02/22/18 04:49 PM
02/22/18 04:49 PM
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cudaman1969 Offline
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Don't the pro mods and pro stocks run billet blocks now? About as solid as you can get.

Re: KB solid block for bracket racing [Re: cudaman1969] #2455712
02/22/18 05:15 PM
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Originally Posted By cudaman1969
Don't the pro mods and pro stocks run billet blocks now? About as solid as you can get.




Two TOTALLY different classes. In bracket racing you better be able to run the number all day and be ready for "round robin"


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Re: KB solid block for bracket racing [Re: rick4106] #2455746
02/22/18 06:47 PM
02/22/18 06:47 PM
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Fulton County, PA
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Pro Stock still runs radiators and iron blocks. Pro Mods are making stupid boost and horsepower and need the strength. A 3/4 fill block still has water at the hottest part of the cylinder and they will show higher oil temps. Between rounds maintenance routines are a little different between Pro cars and a guy running a 7 round bracket race on Saturday night.


If the results don't match the theory, change the theory.
Re: KB solid block for bracket racing [Re: rick4106] #2455835
02/22/18 09:50 PM
02/22/18 09:50 PM
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Cotati, CA
Dave Hall Offline
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It can be done. Solid and filled to the freeze plugs won't be the same and you'll be surprised at how little coolant capacity the engine will have. Anti-freeze is a no-no in a drag car and water will quickly turn to steam in the heads. How much are you willing to spend on monitoring the temps that may or may not get out of control? What methods could be used in short order to cool things down in late rounds? It's not uncommon to have a 7 rd. bracket race. 5 rounds is only 32 cars. I would think extra oil capacity and a way to cool/circulate it between rds. might work. Run the alcohol on the super fat side. FWIW, half the nitro pumped through fuel cars is coolant! A Top Fuel engine will weld itself together WFO after about 10 secs.

Re: KB solid block for bracket racing [Re: rick4106] #2456397
02/23/18 11:42 PM
02/23/18 11:42 PM
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merpar Offline
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yes it can be done. But not with racing gas. Run methanol, I ran it for years in a low deck all iron 451. Only time I ever ran coolant was on way back to pits. In staging I had to lean it out using fuel shut off to put heat in the motor. And hot lapped it several races. I ran Hilborn stack injection, easy to tune and deadly consistent.
My current set up is a KB solid block 483. Only cooling is a small Honda radiator, electric pump. And running water through the heads to equalize the temp. I may have to install an oil heater. And you don't have to run it fat to cool it. Just run the idle a little fat. If your tune up is good. Try to launch about 180 to 200 degrees. And guarantee when you get to the return road it will be 10 to 20 degrees cooler. Just make sure you flush your fuel system if it's going to set for more than a week.

Re: KB solid block for bracket racing [Re: merpar] #2721009
12/02/19 09:04 PM
12/02/19 09:04 PM
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Oakville, Wa
HOTMOPR Offline
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how are you circulating water through the heads with the solid block?


67 Barracuda, 470" B, Glide, FuelTech FT600, Precision, Ptc, QA1, Calvert, Smith racecraft, Afco, Dana 60. 275 radials
Re: KB solid block for bracket racing [Re: HOTMOPR] #2721021
12/02/19 10:02 PM
12/02/19 10:02 PM
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Originally Posted by HOTMOPR
how are you circulating water through the heads with the solid block?
Add fittings on each end of both heads and make it work up
I know some racer with solid blocks that use the cold water from their intercoolers to cool the heads after a run work up wrench

Last edited by Cab_Burge; 12/02/19 10:02 PM.

Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
Re: KB solid block for bracket racing [Re: Cab_Burge] #2721023
12/02/19 10:09 PM
12/02/19 10:09 PM
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Oakville, Wa
HOTMOPR Offline
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That's what I was thinking but wasn't sure. Thanks


67 Barracuda, 470" B, Glide, FuelTech FT600, Precision, Ptc, QA1, Calvert, Smith racecraft, Afco, Dana 60. 275 radials
Re: KB solid block for bracket racing [Re: HOTMOPR] #2721046
12/03/19 12:02 AM
12/03/19 12:02 AM
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San Jose Ca.
boatracer572 Offline
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I machined my block in the mill to supply water to the deck from the water pump area, then return it through from the deck via -8 hoses

78C388A4-EC1D-4491-B086-13492B4B3711.jpegEE1858F9-2DCA-4CCE-80C3-78862E0B4CAB.jpegD798EDB4-744A-4919-855F-B52A3CFED7B2.jpeg
Re: KB solid block for bracket racing [Re: boatracer572] #2721047
12/03/19 12:09 AM
12/03/19 12:09 AM
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San Jose Ca.
boatracer572 Offline
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the machine work was really easy in my mill...the water could easily could be returned to water pump lower hole if you needed it to, im my case the -8 lines are meeting up with a -10 and dumping lake water out of the boat.when I orderd my KB the water blocks were impossible to get and I would rather had the the strength of a solid,so this was my best option …..

Re: KB solid block for bracket racing [Re: boatracer572] #2721048
12/03/19 12:15 AM
12/03/19 12:15 AM
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San Jose Ca.
boatracer572 Offline
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Very hard to see in the pic but very clean

2C554119-2B77-4922-8CA7-BB975592DF20.jpeg
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