One of those big chrome bastards that sticks out the hood.
If so what compression is your motor at and how drivable is the setup?
If so what compression is your motor at and how drivable is the setup?
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from what I've seen it's always a good idea to go way low with the compression or you'll fuck up the motor. I work with Honda/Acura motors and when I've added boost of any kind I drop the compression to like 9:1 or so.
For N/A high compression is king. For boost the lower the better.
Drivability isn't really an issue till you get way up in the boost. I had a 27psi 1.8L B18 for about 3 years before any MAJOR problems. I had to change the oil about every 1200-1500 miles and always seemed to get oil leaks but it was way cool having it. -
Wow 27psi sounds real high, Was that in a honda? I was talking more about muscle car era american v8s.Originally posted by SPeRMiNaToR
from what I've seen it's always a good idea to go way low with the compression or you'll fuck up the motor. I work with Honda/Acura motors and when I've added boost of any kind I drop the compression to like 9:1 or so.
For N/A high compression is king. For boost the lower the better.
Drivability isn't really an issue till you get way up in the boost. I had a 27psi 1.8L B18 for about 3 years before any MAJOR problems. I had to change the oil about every 1200-1500 miles and always seemed to get oil leaks but it was way cool having it.
What kinda car did you run the 27psi in btw?Comment
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well not ever supersharger comes out the bonnet i sold GM in Australia and every v6 calais has a supercharger.Comment
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My S2000 is running 11 psi on 11:1 compressionhttps://3-veo.com/
The best AI video maker portal.Comment
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Originally posted by lock
well not ever supersharger comes out the bonnet i sold GM in Australia and every v6 calais has a supercharger.
Ya I know but I was refering to the big old chrome things the stick 2 feet in the air
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it was a 94 civic hatchback. it did about 10.8 in the quarter.Originally posted by JulianSosa
Wow 27psi sounds real high, Was that in a honda? I was talking more about muscle car era american v8s.
What kinda car did you run the 27psi in btw?
The next time I ran it I had installed a 100 shot of nos and fucking blew up about half way down the track.Comment
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8.5:1 on a 557 inch big block Ford. Car went 8:70's last year on D.O.T approved 10.5 inch tire.
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in what and where did you do it at... nhra rules state you have to have a 7pt cage and a fire system to race under 10 if I remember correct I don't race 1/4 mile I do road racing with sccaOriginally posted by Veterans Day
8.5:1 on a 557 inch big block Ford. Car went 8:70's last year on D.O.T approved 10.5 inch tire.
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the car is certified for 7.99 and we go all over the country in Fun Ford Events, fully caged, fire supression and so on. Its a backhalf car but on 10.5 inch dot tire.Originally posted by Dirty_DS
in what and where did you do it at... nhra rules state you have to have a 7pt cage and a fire system to race under 10 if I remember correct I don't race 1/4 mile I do road racing with sccaComment
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That rocks. What is it in ?Originally posted by Veterans Day
8.5:1 on a 557 inch big block Ford. Car went 8:70's last year on D.O.T approved 10.5 inch tire.
and POST A PIC
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85 mustang and im not at my computer. Im at a buddys house who is clueless with html. leave an email or icq and ill throw ya some pics and video footage when im back home tomm.Originally posted by JulianSosa
That rocks. What is it in ?
and POST A PIC
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Originally posted by Veterans Day
85 mustang and im not at my computer. Im at a buddys house who is clueless with html. leave an email or icq and ill throw ya some pics and video footage when im back home tomm.
[email protected]
thanks man
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Nothing beats the look of a chrome roots blower!
They are horrible inefficient though. (lots of heat)
Centrifugal all the way. It all stays under the hood, and you can intercool it. Basically a belt-driven intercooled turbo. http://www.procharger.com/Comment
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yes true in some sense of the word, but when its all said and done roots make the most power when you visit the far end of the spectrum.Originally posted by Homegrownvideo
Nothing beats the look of a chrome roots blower!
They are horrible inefficient though. (lots of heat)
Centrifugal all the way. It all stays under the hood, and you can intercool it. Basically a belt-driven intercooled turbo. http://www.procharger.com/Comment
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What you mean by roots?Originally posted by Veterans Day
yes true in some sense of the word, but when its all said and done roots make the most power when you visit the far end of the spectrum.Comment
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Really? I didn't know that.
From what I know, using an intercooler let's you run more boost.
Boost = powerComment
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roots blowers are what you are thinking of. The roots blowers house 2 rotors, in the case which is what you see out of the hood. These rotors are screw shaped and create boost, thus they create friction and from friction comes heat. And so on......Originally posted by JulianSosa
What you mean by roots?Comment
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The typical "Supercharger" that sticks out of the hood.Originally posted by JulianSosa
What you mean by roots?
http://thirdgen.org/techbb2/attachme...&postid=707559Comment
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Ya thats the one I like thanksOriginally posted by Veterans Day
roots blowers are what you are thinking of. The roots blowers house 2 rotors, in the case which is what you see out of the hood. These rotors are screw shaped and create boost, thus they create friction and from friction comes heat. And so on......Comment
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Exactly.Originally posted by Homegrownvideo
The typical "Supercharger" that sticks out of the hood.
http://thirdgen.org/techbb2/attachme...&postid=707559
Who had one of those?Comment
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you obtain boost from both types of blowers, you are talking alond the lines of cooling the incoming aircharge which is more dense with oxygen and then combined with more compensating fuel, you effectively have a more efficient air/fuel mixture resulting in more power. True until you really step up in horsepower, due to many different variables you can use the heat a roots blower makes along with variable timing and fuel delivery to far exceed centrifigual blowers, but you are talking in excesses of 2000 hpOriginally posted by Homegrownvideo
Really? I didn't know that.
From what I know, using an intercooler let's you run more boost.
Boost = power
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Originally posted by Veterans Day
you obtain boost from both types of blowers, you are talking alond the lines of cooling the incoming aircharge which is more dense with oxygen and then combined with more compensating fuel, you effectively have a more efficient air/fuel mixture resulting in more power. True until you really step up in horsepower, due to many different variables you can use the heat a roots blower makes along with variable timing and fuel delivery to far exceed centrifigual blowers, but you are talking in excesses of 2000 hp
Dude you are in the wrong biz
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we build 75k engines for drag racers around the country, this is hobby and fun too.Originally posted by JulianSosa
Dude you are in the wrong biz
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check out BDS, blower drive serviceOriginally posted by JulianSosa
One of those big chrome bastards that sticks out the hood.
If so what compression is your motor at and how drivable is the setup?
http://www.blowerdriveservice.com/photo.htm
here's a sample..
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Nice info! :D
Because heat = bad for forced induction, I've read that intercooled setups are the way to go. Because of the configuration of Roots blowers, they can't use an intercooler.
This makes a huge difference in power. With an intercooled blower, you can run much more boost without the threat of detonation.
More boost = more power from everything I've read.
Roots:
Centrifugal:
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yes this is all good info for the most part till you move way up in the horsepower range. Street driven or part time weekend warrior racers prefer the centrif's. Start moving way up the hp range and watch your centrifgual eat itself alive and spin bearings in the housing. BUT im talkin in excess of 2k hpOriginally posted by Homegrownvideo
Nice info! :D
Because heat = bad for forced induction, I've read that intercooled setups are the way to go. Because of the configuration of Roots blowers, they can't use an intercooler.
This makes a huge difference in power. With an intercooled blower, you can run much more boost without the threat of detonation.
More boost = more power from everything I've read.
Roots:
Centrifugal:
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Dam you mean those hemi's with the dual distributors?Originally posted by Veterans Day
we build 75k engines for drag racers around the country, this is hobby and fun too.
Why do they have 2 anyways?Comment
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please use the word hemi looselyOriginally posted by JulianSosa
Dam you mean those hemi's with the dual distributors?
Why do they have 2 anyways?
They are what is referred to as magnetos. 1 for each bank of cylinders. I dont want the dodge boys gettin all huffy even though Ford had used the hemi style cylinder head layout before dodge. Although they brought it to production first
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ThanksOriginally posted by the Shemp
check out BDS, blower drive service
http://www.blowerdriveservice.com/photo.htm
here's a sample..
Thats just the look I am after.
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Bank means each side ?Originally posted by Veterans Day
please use the word hemi loosely They are what is referred to as magnetos. 1 for each bank of cylinders. I dont want the dodge boys gettin all huffy even though Ford had used the hemi style cylinder head layout before dodge. Although they brought it to production first
So one for the left 4 and one for the right?
You trade motors for traffic ? LOLComment
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I wasn't considering max HP situations.Originally posted by Veterans Day
yes this is all good info for the most part till you move way up in the horsepower range. Street driven or part time weekend warrior racers prefer the centrif's. Start moving way up the hp range and watch your centrifgual eat itself alive and spin bearings in the housing. BUT im talkin in excess of 2k hp
So roots are better for extremely high HP situations then I take it? I didn't know that.Comment
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yes and NOOriginally posted by JulianSosa
Bank means each side ?
So one for the left 4 and one for the right?
You trade motors for traffic ? LOL
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ya for a guy on a budget and not lookin to make 2k+ hp centrif's are the way to go. All IHRA and NHRA fuel cars run roots. All monster trucks like bigfoot and gravedigger run roots.Originally posted by Homegrownvideo
I wasn't considering max HP situations.
So roots are better for extremely high HP situations then I take it? I didn't know that.Comment
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Originally posted by Veterans Day
yes and NO
LOL ok how much for a 1500hp motor that will run cool on pump gas?Comment
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it wont you need 5 bucks a gallonOriginally posted by JulianSosa
LOL ok how much for a 1500hp motor that will run cool on pump gas?Comment
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Whats max hp your shop does on pump gas?Originally posted by Veterans Day
it wont you need 5 bucks a gallonComment
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http://www.montygwilliams.com/
1200HP/1000TQ Twin Turbo SBC 427 Corvette.
Not 1,500 HP, but 1,200 on pump gas.
"the engine runs detonation free on 93 octane pump gas, idles smoothly at 800-850rpm, and pulls about 7" of vacuum at idle."
RPM....TQ......HP
4100...771.1...602.0
4200...768.5...614.6
4300...770.8...631.1
4400...777.7...651.5
4500...778.9...667.4
4600...788.4...690.5
4700...803.2...718.8
4800...821.7...751.0
4900...850.0...793.0
5000...874.8...832.8
5100...883.3...857.7
5200...901.7...892.8
5300...903.5...911.8
5400...927.2...953.3
5500...926.4...970.1
5600...945.3...1007.9
5700...946.6...1027.3
5800...960.4...1060.6
5900...963.2...1082.0
6000...970.2...1108.4
6100...964.2...1119.9
6200...956.0...1128.6
6300...952.6...1142.7
6400...937.2...1142.1
6500...922.7...1142.0
6600...916.1...1151.2Last edited by Homegrownvideo; 02-15-2004, 12:12 AM.Comment
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Im impressed the homegrown gang is into HPOriginally posted by Homegrownvideo
http://www.montygwilliams.com/
1200HP/1000TQ Twin Turbo SBC 427 Corvette.
Not 1,500 HP, but 1,200 on pump gas.Comment
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ahhhhhhhhhhh the fastime crew, they fail to tell you on his website how many times the motor has eaten itself. Fasttimes is 20 minutes up the road from my house. Inside the drag racing circle they are known as "bad things happen to those who frank builds motors for"Originally posted by Homegrownvideo
http://www.montygwilliams.com/
1200HP/1000TQ Twin Turbo SBC 427 Corvette.
Not 1,500 HP, but 1,200 on pump gas.
"the engine runs detonation free on 93 octane pump gas, idles smoothly at 800-850rpm, and pulls about 7" of vacuum at idle."
RPM....TQ......HP
4100...771.1...602.0
4200...768.5...614.6
4300...770.8...631.1
4400...777.7...651.5
4500...778.9...667.4
4600...788.4...690.5
4700...803.2...718.8
4800...821.7...751.0
4900...850.0...793.0
5000...874.8...832.8
5100...883.3...857.7
5200...901.7...892.8
5300...903.5...911.8
5400...927.2...953.3
5500...926.4...970.1
5600...945.3...1007.9
5700...946.6...1027.3
5800...960.4...1060.6
5900...963.2...1082.0
6000...970.2...1108.4
6100...964.2...1119.9
6200...956.0...1128.6
6300...952.6...1142.7
6400...937.2...1142.1
6500...922.7...1142.0
6600...916.1...1151.2
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YO Whats max hp your shop does on pump gas?Originally posted by Veterans Day
ahhhhhhhhhhh the fastime crew, they fail to tell you on his website how many times the motor has eaten itself. Fasttimes is 20 minutes up the road from my house. Inside the drag racing circle they are known as "bad things happen to those who frank builds motors for"
You sound like you know your shit I serious.Comment
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Cool, you know them?Originally posted by Veterans Day
ahhhhhhhhhhh the fastime crew, they fail to tell you on his website how many times the motor has eaten itself. Fasttimes is 20 minutes up the road from my house. Inside the drag racing circle they are known as "bad things happen to those who frank builds motors for"
I wouldn't expect a 1,200 HP engine to run too long myself.
I'd take 500 reliable HP, and a ton of traction over more HP anyday.Comment
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What kinda set up you have?Originally posted by Homegrownvideo
Cool, you know them?
I wouldn't expect a 1,200 HP engine to run too long myself.
I'd take 500 reliable HP, and a ton of traction over more HP anyday.
Please dont say m3 LOLComment
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sorry, um what brand are we talkin about first off? And secondly we only build Fords and 99% of them are big blocksOriginally posted by JulianSosa
YO Whats max hp your shop does on pump gas?
You sound like you know your shit I serious.Comment
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ya it will last but not long on pump gas. A variation in oil pressure of 10lbs or more and its toast on the street in traffic and heatOriginally posted by Homegrownvideo
Cool, you know them?
I wouldn't expect a 1,200 HP engine to run too long myself.
I'd take 500 reliable HP, and a ton of traction over more HP anyday.Comment
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I own a 1986 International Race Of Champions Camaro.Originally posted by JulianSosa
What kinda set up you have?
Please dont say m3 LOL
Bone stock, minus the transmission. (For now anyway...)Comment
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