P.R.E. 84.25X89 Stock port/sleeve B20V Dyno
10-07-2014, 05:57 AM
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P.R.E. 84.25X89 Stock port/sleeve B20V Dyno
We just wanted to share this really simple build with the members here. We built this engine for a customer of ours with budget in mind. We were able to plan and cost out the build in order to keep it within his budget. I can say that the customer's goal was exceeded after we got off the dyno 2 weeks ago!
Note: I tuned this with a FULL 2.5" chambered exhaust so there's still more power to be had with things as a better header, open header, ported head, etc.
Onto the build:
Block:
84.25 Wiseco K594M8425AP pistons
stock sleeves
stock 89mm crank
stock rods
ARP Rod bolts
ACL Race Bearings
Head:
Stock Port B16 Head
Performance Valve Job
Valvesprings
OEM K-series retainers
cams (Degreed in)
stock valves
Intake:
3" tube
Blox velocity stack
Skunk2 Ultra Street IM
Fuel:
Walbro 255 Pump
ID1000cc Injectors
Pump E85
Exhaust:
PLM Small tube Tri-Y
PLM test pipe
Yonaka Exhaust part number YMCB001
Pistons, Rods, Rod bolts, Bearings
Dyno:STD CF and Smoothing 5
Thanks for reading!
Note: I tuned this with a FULL 2.5" chambered exhaust so there's still more power to be had with things as a better header, open header, ported head, etc.
Onto the build:
Block:
84.25 Wiseco K594M8425AP pistons
stock sleeves
stock 89mm crank
stock rods
ARP Rod bolts
ACL Race Bearings
Head:
Stock Port B16 Head
Performance Valve Job
Valvesprings
OEM K-series retainers
cams (Degreed in)
stock valves
Intake:
3" tube
Blox velocity stack
Skunk2 Ultra Street IM
Fuel:
Walbro 255 Pump
ID1000cc Injectors
Pump E85
Exhaust:
PLM Small tube Tri-Y
PLM test pipe
Yonaka Exhaust part number YMCB001
Pistons, Rods, Rod bolts, Bearings
Dyno:STD CF and Smoothing 5
Thanks for reading!
Last edited by slowsleeper; 11-19-2018 at 12:48 PM.
10-07-2014, 01:56 PM
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Re: P.R.E. 84.25X89 Stock port/sleeve B20V Dyno
There is more to that valvejob than ppl think, a Stock head would not support 250whp! "ALONE!"
Congrats man this build is STRONG!!!
Congrats man this build is STRONG!!!
Last edited by atec; 10-07-2014 at 04:25 PM.
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10-07-2014, 04:30 PM
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Re: P.R.E. 84.25X89 Stock port/sleeve B20V Dyno
Thanks guys! Just glad to be able to keep putting together builds that are trying to maximize the stock ports as well as sharing this data with the members.
A lot simpler when summarized hahaha
A lot simpler when summarized hahaha
10-07-2014, 04:32 PM
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10-07-2014, 06:32 PM
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Re: P.R.E. 84.25X89 Stock port/sleeve B20V Dyno
Badass stuff as usual Tou!!
Good seeing these simple setups making good power. The Rocket M24s doing great here as well...
Can't wait to see what it makes when further improvements/upgrades are done..
Good seeing these simple setups making good power. The Rocket M24s doing great here as well...
Can't wait to see what it makes when further improvements/upgrades are done..
10-07-2014, 07:45 PM
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Re: P.R.E. 84.25X89 Stock port/sleeve B20V Dyno
What is the compression at with those pistons? How much of a difference do you think the e85 makes vs pump 93?
Those are some great numbers.
Those are some great numbers.
10-07-2014, 09:27 PM
#17
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Re: P.R.E. 84.25X89 Stock port/sleeve B20V Dyno
Those pistons have a 8.25cc dome, so depending how much milling/decking has been done I'd say its in the neighborhhod of 13-13.5:1. The torque tells the story of high compression as well.
10-08-2014, 12:02 AM
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Re: P.R.E. 84.25X89 Stock port/sleeve B20V Dyno
Or could be from the single lobe design of the camshaft, the header design, high octane fuel, or the correct intake manifold choice :-).
10-08-2014, 06:49 AM
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Re: P.R.E. 84.25X89 Stock port/sleeve B20V Dyno
The machine shop utilizes a Serdi to cut the VJ.
Compression is approx. 13.2:1. Minimal material was removed from the head and deck, only enough to get a fresh surface.
I personally wouldn't risk running this setup on pump 93 so can't comment on possible power differences of pump. I do know that I've personally seen minimal gains between 93 and E85 with setups under 12.5:1 compression, like 1-2% gains.
I personally wouldn't risk running this setup on pump 93 so can't comment on possible power differences of pump. I do know that I've personally seen minimal gains between 93 and E85 with setups under 12.5:1 compression, like 1-2% gains.
10-08-2014, 06:55 AM
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10-08-2014, 08:08 AM
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10-08-2014, 09:54 AM
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Re: P.R.E. 84.25X89 Stock port/sleeve B20V Dyno
Did they mod the pistons? That part number is 84.25 pistons w/ a 8.25 dome.
http://www.wiseco.com/Catalogs/Sport...AcuraHonda.pdf
http://www.wiseco.com/Catalogs/Sport...AcuraHonda.pdf