FC3S Murray's never ending build.

***TitaniumTT*** · 08-20-2009, 07:27 AM

Quote:

Originally Posted by MaczPayne

www.onlineconversion.com has all the conversions you can think of

19" Hg = 64.341 kpa

15" Hg = 50.795 kpa

Hey Johnson, I've used that site alot but it doesn't make any sense whatsoever. The less kpa you have, the more vac you pull. 100 kpa = 1 bar = 0 vac, 0 kpa should = perfect vac or about 30", so what are we missing here?

Quote:

Originally Posted by FC3S Murray

Thanks Max.

I took it out for about two hours last night and put another 52 miles on her. Here in Great Falls 52 miles in city is a shit load of drving and punching your kidneys.

I CANT stand people who feel the need to fuck with me when I am driving. I no shit had about 6 cars/trucks toy with me. All I would do is smile and if they asked why no go I would just say "break in". This old ass Nova kept messing with me until I finally told him to piss off and come see me in a month. He laughed and was actually cordial after the fact. He just put a 383 stoker in it and just got done breaking in the motor. Honestly it was loud and not fast at all.

I am seriously about to go cray with my idle AFR. I dont want to do negative inj lag to get my idle leaner BUT if I have to I will. Better now before any major tuning happens.
Is negative lag bad for your injectors? I know it shouldn't effect duty cycle but can't remember what the down side is.

I do have to say I love how my motor sounds at idle. Between the intake and exhaust ports it has a awesome almost lobe sound, kinda like an aggressive cam on a piston motor. Good stuff.

Only other "issue" right now is my damn NAPA high dollar belts are noisy, really noisy. Even with belt dressing, adjusting tension and doing the crayon trick they still make noise. I might have to go O'rielly cheapies

Crayon trick?

FC3S Murray · 08-20-2009, 09:35 AM

Quote:

Originally Posted by TitaniumTT

Crayon trick?

Yeah, buddy told me to line the outside of the belts with crayon. Actually last night the belts were quite by the end of the drive. Maybe the belts just required a little break in themselves.

More miles added last night. My EGT temps are a great tool for tuning cruise. My damn rear rotor seems to burn a little hotter even with 2% more fuel to the rear injectors. I almost wonder if that damn HKS cast mani is just the problem. The runners are not equal so maybe that plays a role in temperture recording(however the probes are equal distance from mani inlet AND equal depth).

antman0408 · 08-20-2009, 12:25 PM

[QUOTE=TitaniumTT;94667]Hey Johnson, I've used that site alot but it doesn't make any sense whatsoever. The less kpa you have, the more vac you pull. 100 kpa = 1 bar = 0 vac, 0 kpa should = perfect vac or about 30", so what are we missing here?
[QUOTE]

Vacuum is rated at inches of mercury, so the higher the vacuum, the higher the kpa value.
100 kpa = 1 bar = almost 30" of mercury in vacuum
0 kpa = 0" of mercury = no vacuum

08-20-2009, 12:25 PM	#3
antman0408 Rotary Fan in Training Join Date: Jan 2009 Posts: 61 Rep Power: 17	[QUOTE=TitaniumTT;94667]Hey Johnson, I've used that site alot but it doesn't make any sense whatsoever. The less kpa you have, the more vac you pull. 100 kpa = 1 bar = 0 vac, 0 kpa should = perfect vac or about 30", so what are we missing here? [QUOTE] Vacuum is rated at inches of mercury, so the higher the vacuum, the higher the kpa value. 100 kpa = 1 bar = almost 30" of mercury in vacuum 0 kpa = 0" of mercury = no vacuum