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b16a2 w/ 12:8:1 compression question

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Old 01-13-2006, 12:16 PM
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Default b16a2 w/ 12:8:1 compression question

ok, i have a b16a2 built from the ground up.I also milled the head to get me from 11:8:1 to a little less than 12:8:1. I have to run premium fuel, which is 90 octane here, and octane boosters. I know with high compression like that and me racing I will build up carbon on my valves right? other places? Any methods ANYONE has for keeping your internal engine clean (without having to take apart my engine all the time) and running good will be GREATLY apreciated. I really need help on this one! Also, is there any specific REALLY GOOD oil i shoud run with my motor? it only has 500 miles on it rebuilt. Plz help!
Old 01-13-2006, 12:32 PM
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Default Re: b16a2 w/ 12:8:1 compression question (94hatchvx)

uh..seafoam? I don't know

But how do you have a 12.8 comp B16. What setup do you have? j/w
Old 01-13-2006, 12:36 PM
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Default Re: b16a2 w/ 12:8:1 compression question (SkoundrelUSA)

Thats high compress man.. Sorry i dont have any help. What numbers you puttin down with the motor?

Edit: I work at sears and in the automotive department, they have this new engine system cleaner, it costs 70 bucks but they do a good job of cleaning it.
Old 01-13-2006, 12:37 PM
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Default Re: b16a2 w/ 12:8:1 compression question (SkoundrelUSA)

Yeah, seafoam is a great cleaning agent.

I don't know if it's meant for these applications, but Royal Purple oil is supposed to be very good, though extremely expensive ($6 or $7 a quart.)
Old 01-13-2006, 01:27 PM
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Default Re: b16a2 w/ 12:8:1 compression question (SkoundrelUSA)

I have a 1994 honda civic hatch vx with the b16a2 full swap.I have skunk 2 intake manifold,dcsports 4:2:1 header,type r valve cover,type r cam gears and shafts, skunk 2 titanium springs,titanium retainers,titanim valves, JE 11:8:1 compression pistons and rods,i milled the head and brought it from 11:8:1 to really close to 12:8:1,new honda distributer,timing belt,tensioner,oilpump,water pump,alternator,temp. sensor,coolant temp. sensor,Vtec cyl., oil pressure sensor, head gasket, all new seals and gaskets. all that from honda brand new. (not from honda ----) ) block guard, lsd trasmission,stage 3 clutch, toda light weight flywheel,aem v2 cold air intake, chipped p28 ecu,750 cc injectors,aem fuel rail, aem fuel pressure regulator,aem fuel and oil filter, ngk iridium plugs, msd sci ignitior, msd blaster 3 coil, msd 8.5mm super conductor plug wires and new radiator with type r cap.
Old 01-13-2006, 01:36 PM
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Default Re: b16a2 w/ 12:8:1 compression question (Everyones Hero)

I herd sea foam can expletive up your engine? is that true? has anyone on hear ever used it?
Old 01-13-2006, 01:37 PM
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Default Re: b16a2 w/ 12:8:1 compression question (94hatchvx)

I've used it personally but not on a high comp engine or anything.

on a B16A. I did it some time during the early summer of 05. Engine still runs fine. I didn't really notice anything though
Old 01-13-2006, 01:50 PM
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Default Re: b16a2 w/ 12:8:1 compression question (94hatchvx)



Wish I knew man. What are you using for spark plugs and oil?


Modified by JayDiemB16aCivic at 3:07 PM 1/13/2006
Old 01-13-2006, 01:55 PM
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Default Re: b16a2 w/ 12:8:1 compression question (JayDiemB16aCivic)

im using ngk iridium and im using the oil that is meant for my engine strait from honda. I just got done puting on a new thicker head gasket to add back on what i milled from the head and my ecu is being redone right now becuz with the thicker head gasket it advanced the timing. so my ecu is being reprogrammed as we speek.
Old 01-13-2006, 03:10 PM
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Default Re: b16a2 w/ 12:8:1 compression question (94hatchvx)

I call BS. here is a B18C with 12.5

Engine
AJR B18C-R

Displacement
1.8L

Compression Ratio
12.5:1

Balance & Blueprint Block
AJR

Piston
AJR Forged (81.5mm)

Connecting Rod
Spoon (balanced)

Crankshaft
AJR (balanced and knife edged)

Headbolt
Spoon

Oil Pump
Spoon

Oil Pan
Spoon

Oil Drain Bolt
Spoon Magnetic

Oil Cap
Spoon

Throttlebody
AJR 70mm - 64mm

Camshaft
Spoon

Cam Gear
Spoon

Sparkplug Wire
Spoon High Tension Plug Wire

Sparkplug
Spoon Iridium Racing Plugs

Port & Polish Head
AJR

Intake Manifold
AJR Ported B18C-R 98spec

Valvespring
B18C-R 98spec

Rocker Arm
B18C-R 98spec

Valve Spring
Spoon High Tension Valve Springs

Valve
AJR Polished Valve

Retainer
AJR Titanium Retainer

Crank Pulley
JDM Civic Type R N1

ECU
AJR SPL

Battery
T1R Lightweight Battery

Grounding Kit
T1R Power Earthing System

Intake
J's Racing Tsuchinoko

Header
Spoon 4-2-1

Test Pipe
T1R

Exhaust B-Pipe
T1R

Exhaust Muffler
T1R

Engine Mount
Spoon

Oil Catch Can
SRR

Valve Cover
B18C-R 98spec

Plug Cover
Spoon

Engine Oil
Motul 300V 5W-40

Old 01-13-2006, 04:05 PM
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Default Re: b16a2 w/ 12:8:1 compression question (TougeSiR)

Old 01-13-2006, 04:14 PM
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Default Re: b16a2 w/ 12:8:1 compression question (TougeSiR)

Old 01-13-2006, 04:31 PM
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Default Re: b16a2 w/ 12:8:1 compression question (JayDiemB16aCivic)

wow! thanks for all that info. im glad u took up all that space to make yourself feel good. INFO=


Reported
Old 01-15-2006, 02:35 AM
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Default Re: b16a2 w/ 12:8:1 compression question (94hatchvx)

Certain gas stations carry fuel that tends to have less carbon buildup (it was an article in a Super Street from last year). With that compression ratio the easiest way to clean it out is to run Cam2, Turbo Blue, or even race fuel. Even at almost 12 to 1 compression you should mix race fuel with the 90 octane so that your valves don't ping. I run a mix of Turbo Blue and 93 in my hatch on my street tune and straight racing gas on race tune. When I tore it apart to refresh it, my motor had no carbon buildup at all.
Old 01-15-2006, 09:08 AM
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Default Re: b16a2 w/ 12:8:1 compression question (TurboLsVtec92Hatch)

where do u buy your race gas?
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