can i add a supercharger safely

1slo5.0 · June 3rd, 2008, 03:01 PM

Originally Posted by HELLRAZR94

the guy who did the motor was going to be between 12.1 11.1 i dont have the part number because of the fact that i didnt build the motor, but i dont need to bullshit this is a computer bro why lie

I don't see how your engine builder can say "the compression is between 11:1 and 12:1". Didn't he take measurements and calculate the compression? If I put an engine together and told the customer that I'm not sure what the compression is but it should be between 11:1 and 12:1, that would be the last time that customer would come to see me. I guarantee it.

My previous post is all facts. Below I qouted myself in case you didn't see the previous post. I have a bit of experience in this field....

Originally Posted by Darrell

If they are domed you are looking at a minimum of 12.75:1. There are not alot of people running 12:1 on pump gas over there. What you have is alot of people that don't know what their compression ratio is that just spout off numbers. 12:1 on pump gas is not mechanically possible without retarding the timing several degrees which is going to defeat the purpose of the high compression anyway and will make less power than a 10:1 engine with full timing. 12:1 with an aluminum head needs about 104 octane minimum.

ryans88gt · June 3rd, 2008, 03:45 PM

12:1 on 91 octane, you'll be having problems.

HELLRAZR94 · June 4th, 2008, 02:03 AM

there is cars out here that run on pump gas with 12.1 but what ever i dont have 12.1 its around 11.1

1slo5.0 · June 4th, 2008, 08:49 AM

Originally Posted by HELLRAZR94

there is cars out here that run on pump gas with 12.1 but what ever i dont have 12.1 its around 11.1

Like I said in my previous posts.........

Whatever guy, I guess you know something that others don't. Why don't you share with us how to make 12:1 compression work on pump gas. Do you even know what the 12:1 means? You can think what you want but the fact is no 12:1 engine runs on pump gas.

ryans88gt · June 4th, 2008, 10:39 AM

It might run OK with aluminum heads and 20 degrees of total timing, but why bother?

1slo5.0 · June 4th, 2008, 10:59 AM

Exactly!

HELLRAZR94 · June 4th, 2008, 03:56 PM

darrell im glad that you think you know it all, i never said that i was a mustang wiz, but thats fine why dont u bring ur car and see for urself somtime professor of aspiration,

HMUSN · June 4th, 2008, 03:58 PM

natural aspiration. meaning he ran a 9.36 without a poweradder.

HELLRAZR94 · June 4th, 2008, 03:59 PM

and thats funny (exactly) i just said it will NOT run on ump gas lol!

HELLRAZR94 · June 4th, 2008, 04:00 PM

i know!

1slo5.0 · June 4th, 2008, 10:46 PM

Originally Posted by HELLRAZR94

darrell im glad that you think you know it all, i never said that i was a mustang wiz, but thats fine why dont u bring ur car and see for urself somtime professor of aspiration,

No, you my friend think you know it all. I've forgotten more about internal combustion engines than you know. That is proven by your posts. I was simply trying to share some facts with you to try and help you but I'm starting to realize that you are one of those guys that has to find things out yourself......the hard way. Go ahead, run a 12:1 engine on pump gas and see what happens. No cheating either, run a full timing curve (32 to 36 degrees total timing). And yes I've gone 9.36 at 143mph with my 3016 pound naturally aspirated summer daily driver. It even had power windows, locks and a booming stereo. I think I know a thing or two about natural aspiration....

Originally Posted by HELLRAZR94

and thats funny (exactly) i just said it will NOT run on ump gas lol!

You said multiple times that 12:1 will run on pump gas. Now you are contradicting yourself? Sure you could run a 12:1 engine on pump gas if you ran your total timing around 20 degrees or so like Ryan said but that would defeat the purpose of running such high compression because retarding the timing that far would lose all that power that the higher compression would gain you.

1slo5.0 · June 4th, 2008, 10:48 PM

Originally Posted by HELLRAZR94

thats fine why dont u bring ur car and see for urself somtime professor of aspiration,

Is that a challenge? Which car would you like me to bring? I'll be in Las Vegas the week of August 3rd.

1BADSTANG · June 4th, 2008, 10:50 PM

Originally Posted by Darrell

No, you my friend think you know it all. I've forgotten more about internal combustion engines than you know. That is proven by your posts. I was simply trying to share some facts with you to try and help you but I'm starting to realize that you are one of those guys that has to find things out yourself......the hard way. Go ahead, run a 12:1 engine on pump gas and see what happens. No cheating either, run a full timing curve (32 to 36 degrees total timing). And yes I've gone 9.36 at 143mph with my 3016 pound naturally aspirated summer daily driver. It even had power windows, locks and a booming stereo. I think I know a thing or two about natural aspiration....

You said multiple times that 12:1 will run on pump gas. Now you are contradicting yourself? Sure you could run a 12:1 engine on pump gas if you ran your total timing around 20 degrees or so like Ryan said but that would defeat the purpose of running such high compression because retarding the timing that far would lose all that power that the higher compression would gain you.

I thought you were on a big shot of nitrous no?

1slo5.0 · June 4th, 2008, 10:54 PM

Originally Posted by 1BADSTANG

I thought you were on a big shot of nitrous no?

Not on the black car.

This car was on a 300 hp blast of the sauce. Please forgive the shitty video. I couldn't figure out how to get it off a mini dvd to my computer. I'm kind of dumb like that...

Click here

fogged306 · June 4th, 2008, 11:04 PM

If you're here to ask questions then you must be here to learn, so listen to people when they tell you something. If you don't believe them, do a little research on the internet, or go to a few other forums and ask about running 12:1 on pump gas, you'll get the same answers you've gotten here, everywhere you ask. Someone has been feeding you misinformation.

Iownastang · June 4th, 2008, 11:51 PM

Originally Posted by HELLRAZR94

there is cars out here that run on pump gas with 12.1 but what ever i dont have 12.1 its around 11.1

I dont know who has been feeding you your line of shit we have tried to give you some info but you will not listen.
Most of us are not a bunch of kids.

HELLRAZR94 · June 5th, 2008, 12:30 AM

i dont know it all and i dont try to, thats why im asking you guys, derrell your mouth probley runs as fast as you car and by the way thats is a bad ass car i would love to see that thing in action, i have seen a guy run a car with 12.1 compression on pump gas if he was just running at the mouth about the compression then fuck him to, sorry im just learning, and for the last time my car DOES NOT have 12.1compression DOES NOT

Pure Stock · June 5th, 2008, 02:34 AM

corral alert, corral alert.

78mach1 · June 5th, 2008, 02:59 AM

June 3rd, 2008, 03:45 PM	#62
ryans88gt MM Fanatic Join Date: May 2007 Location: Bloomington, IL Posts: 4,737 iTrader: 0 reviews	12:1 on 91 octane, you'll be having problems. __________________ 88 GT CHI headed 351w 10.8 @ 125 - still figuring it out. 03 Cobra 2.3 whipple 10.7 @ 129 - sold it 04 Mach 1 12.7 @ 109 mostly stock - sold it 89 LX procharged 302 515 hp 497 ftlbs 10.7 @130 mph - sold it

June 4th, 2008, 10:39 AM	#65
ryans88gt MM Fanatic Join Date: May 2007 Location: Bloomington, IL Posts: 4,737 iTrader: 0 reviews	It might run OK with aluminum heads and 20 degrees of total timing, but why bother? __________________ 88 GT CHI headed 351w 10.8 @ 125 - still figuring it out. 03 Cobra 2.3 whipple 10.7 @ 129 - sold it 04 Mach 1 12.7 @ 109 mostly stock - sold it 89 LX procharged 302 515 hp 497 ftlbs 10.7 @130 mph - sold it

June 4th, 2008, 10:59 AM	#66
1slo5.0 MM Ninjas! 1990 Mustang LX 9.36@143 mph Join Date: Jan 2006 Location: North Fond du Lac, Wisconsin Posts: 11,375 iTrader: 1 reviews	Exactly! __________________ My daily driver has 16 cylinders and 4400hp @ 1000 rpm.... ***1988 Mustang GT - Stock....almost

June 4th, 2008, 03:58 PM	#68
HMUSN Doc 1986 SVO 48.47@ 12.58 Join Date: Nov 2006 Posts: 37,050 iTrader: 11 reviews	natural aspiration. meaning he ran a 9.36 without a poweradder. __________________

June 5th, 2008, 02:34 AM	#78
Pure Stock Regular 93 GT N/A 302 H/C/I 6.73@101.7--- 10.59@126.06 Join Date: Jan 2008 Location: Pittsburgh, PA Posts: 70 iTrader: 0 reviews	corral alert, corral alert. __________________ *N/A 302 Pushrod Power*

June 4th, 2008, 02:03 AM	#63
HELLRAZR94 Regular 1994 MUSTANG GT Join Date: May 2008 Location: MODESTO CA. Posts: 102 iTrader: 0 reviews	there is cars out here that run on pump gas with 12.1 but what ever i dont have 12.1 its around 11.1

June 4th, 2008, 03:56 PM	#67
HELLRAZR94 Regular 1994 MUSTANG GT Join Date: May 2008 Location: MODESTO CA. Posts: 102 iTrader: 0 reviews	darrell im glad that you think you know it all, i never said that i was a mustang wiz, but thats fine why dont u bring ur car and see for urself somtime professor of aspiration,

June 4th, 2008, 03:59 PM	#69
HELLRAZR94 Regular 1994 MUSTANG GT Join Date: May 2008 Location: MODESTO CA. Posts: 102 iTrader: 0 reviews	and thats funny (exactly) i just said it will NOT run on ump gas lol!

June 4th, 2008, 04:00 PM	#70
HELLRAZR94 Regular 1994 MUSTANG GT Join Date: May 2008 Location: MODESTO CA. Posts: 102 iTrader: 0 reviews	i know!

June 4th, 2008, 11:04 PM	#75
fogged306 MM Fanatic 89 GT Join Date: Apr 2007 Location: NY Posts: 4,875 iTrader: 2 reviews	If you're here to ask questions then you must be here to learn, so listen to people when they tell you something. If you don't believe them, do a little research on the internet, or go to a few other forums and ask about running 12:1 on pump gas, you'll get the same answers you've gotten here, everywhere you ask. Someone has been feeding you misinformation.

June 5th, 2008, 12:30 AM	#77
HELLRAZR94 Regular 1994 MUSTANG GT Join Date: May 2008 Location: MODESTO CA. Posts: 102 iTrader: 0 reviews	i dont know it all and i dont try to, thats why im asking you guys, derrell your mouth probley runs as fast as you car and by the way thats is a bad ass car i would love to see that thing in action, i have seen a guy run a car with 12.1 compression on pump gas if he was just running at the mouth about the compression then fuck him to, sorry im just learning, and for the last time my car DOES NOT have 12.1compression DOES NOT

June 5th, 2008, 02:59 AM	#79
78mach1 Hardcore Enthusiast Join Date: Oct 2007 Location: utah Posts: 1,365 iTrader: 0 reviews

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