should i buy a vaccum pump or not? - Page 2 - Yellow Bullet Forums

Go Back   Yellow Bullet Forums > Technical Section > Nitrous - Induction Solutions

Nitrous - Induction Solutions

Reply
 
Thread Tools Display Modes
Old 09-07-2010, 11:30 AM   #16
Mike Beck
EFI/N2O JUNKIE
Smoked Another SBC
 
Mike Beck's Avatar
 
Join Date: Aug 2007
Location: South River NJ
Posts: 11,686
Default Re: should i buy a vaccum pump or not?

It is real obvious. Normally your vacuum stays constant going down the track. On some cars it rises a little, others it falls a little. When you see the gauge bouncing all-over the place you know you have problems!
Mike Beck is online now   Reply With Quote
Sponsored Links
Advertisement
 
Old 09-07-2010, 11:53 AM   #17
spray power
Senior Member
Smoked another BBC
 
Join Date: Nov 2007
Location: Hot Springs, AR.
Posts: 1,684
Default Re: should i buy a vaccum pump or not?

It can be obvious, or it can just ba little dip in vacuum at a certain spot. Most cars will raise vacuum going down track, where you will more than likely see it first is on the gear change. Once you see it you can then deside what changes you are going to make to correct the problem. I have seen dips in pan vacuum but not able to see it on the plugs, so if you watch every thing close it will be help full nitrous or n/a.
__________________
Auston Pasquith
ACP Race Cars & Custom Fabrication
Hot Springs, AR.
Custom manifold porting/EFI conversions
Dealer for:
Induction Solutions/ Woody's Pluming/Jerry Bickel Race Cars/RJ Race Cars/Race Parts Solutions/Hyperformance/BTE-Memphis Performance/Strange Eng./Schoneck Composites and more!
spray power is offline   Reply With Quote
Old 09-07-2010, 12:12 PM   #18
coolbeans
Junior Member
Pre-Staged
 
coolbeans's Avatar
 
Join Date: May 2010
Location: Buford Ga USA
Posts: 59
Default Re: should i buy a vaccum pump or not?

Quote:
Originally Posted by spray power View Post
It can be obvious, or it can just ba little dip in vacuum at a certain spot. Most cars will raise vacuum going down track, where you will more than likely see it first is on the gear change. Once you see it you can then deside what changes you are going to make to correct the problem. I have seen dips in pan vacuum but not able to see it on the plugs, so if you watch every thing close it will be help full nitrous or n/a.
Just ordered the sensor and will install before the weekend. I am planning to mount the sensor to the front of the valve cover where I have a #12 capped. Any concerns about vibration or oil splashing it? Thanks for your responses (Mike and Spray Power)

Chris
coolbeans is offline   Reply With Quote
Old 09-07-2010, 12:54 PM   #19
spray power
Senior Member
Smoked another BBC
 
Join Date: Nov 2007
Location: Hot Springs, AR.
Posts: 1,684
Default Re: should i buy a vaccum pump or not?

Quote:
Originally Posted by coolbeans View Post
Just ordered the sensor and will install before the weekend. I am planning to mount the sensor to the front of the valve cover where I have a #12 capped. Any concerns about vibration or oil splashing it? Thanks for your responses (Mike and Spray Power)

Chris
Do you have a gage? If so tap into it (.250 brake air line work good with a small peice of rubber hose on the ends) and run it to the sensor. We will put the sensor right next to the 7531 box for we don't have to run any more wires. You can come off the #12 but we try to put a fitting (.250 push lock air line fiting) in the back of the intake or value cover which makes it much ezer in the long run.
__________________
Auston Pasquith
ACP Race Cars & Custom Fabrication
Hot Springs, AR.
Custom manifold porting/EFI conversions
Dealer for:
Induction Solutions/ Woody's Pluming/Jerry Bickel Race Cars/RJ Race Cars/Race Parts Solutions/Hyperformance/BTE-Memphis Performance/Strange Eng./Schoneck Composites and more!
spray power is offline   Reply With Quote
Old 09-07-2010, 08:45 PM   #20
1fast10
Senior Member
Smoked another BBC
 
1fast10's Avatar
 
Join Date: Nov 2008
Location: nc
Posts: 1,405
Default Re: should i buy a vaccum pump or not?

so wheres the best placement of map sensor. i have msd 7531 and a vacuum pumo. i have guage on cowl thats plumb into valave cover. is this where sensor needs to be or reading vacuum from intake
__________________
Need more speed
1fast10 is offline   Reply With Quote
Old 09-07-2010, 10:40 PM   #21
Mike Beck
EFI/N2O JUNKIE
Smoked Another SBC
 
Mike Beck's Avatar
 
Join Date: Aug 2007
Location: South River NJ
Posts: 11,686
Default Re: should i buy a vaccum pump or not?

I don't used a Digital 7, but I do have a GM MAP sensor under my dash with a 3/16" or so rubber line going through the firewall to a fitting on the back of the valve cover so it can easily be removed in the rare instance I check my lash.

I had the sensor hooked to my LM-1 at the time so I could record the vacuum during a pass. I also had a regular vacuum gauge on the dash so I could see it going down the track. It certainly saved my ass one night when I tried a "hero shot"! I saw the gauge bouncing-around and instantly kiiled the juice and continued down the track on motor. I saw the same thing on the data logger. When I opened the drain on my breather tank there was a lot of oil in there, normally there is nothing. I'm sure I would have hurt it good if I had made a full-track nitrous pass that night.
Mike Beck is online now   Reply With Quote
Old 09-07-2010, 11:42 PM   #22
Sam Vincent
Senior Member
Smoked Another SBC
 
Sam Vincent's Avatar
 
Join Date: Feb 2006
Location: Central City, KY
Posts: 10,554
Default Re: should i buy a vaccum pump or not?

what is the MSD part # for MAP sensor? will it show in inches of vacuum?
__________________
sponsors:
Nitrous Express, Diamond, JESEL, Edelbrock, Marcella Manifolds, MonteSmith Perf, VP racing fuel, Moroso, GRP, Bullet Cams, RacePak, Leashed Elect, ATI

Vincent Performance
Graham KY
270-977-1893

Dealer:
Diamond, Trend, TotalSeal, BulletCams, Morel, Jesel, Brodix
Moroso, Manton, GRP, Callies, PSI~PAC, Stef's Fabrication TrickFlow, TotalEngineAirflow, PTC converters, William's Perf, ProLite batt, Ultra Pro Machine, Danny Bee, ATI, MOSER Engineering, Sonnax, PST driveshafts
Sam Vincent is offline   Reply With Quote
Old 09-08-2010, 12:24 AM   #23
spray power
Senior Member
Smoked another BBC
 
Join Date: Nov 2007
Location: Hot Springs, AR.
Posts: 1,684
Default Re: should i buy a vaccum pump or not?

Quote:
Originally Posted by Sam Vincent View Post
what is the MSD part # for MAP sensor? will it show in inches of vacuum?

2311 MSD, and yes it will show in inches of vacuum. It will read map on the trace log.
__________________
Auston Pasquith
ACP Race Cars & Custom Fabrication
Hot Springs, AR.
Custom manifold porting/EFI conversions
Dealer for:
Induction Solutions/ Woody's Pluming/Jerry Bickel Race Cars/RJ Race Cars/Race Parts Solutions/Hyperformance/BTE-Memphis Performance/Strange Eng./Schoneck Composites and more!
spray power is offline   Reply With Quote
Old 09-08-2010, 12:35 AM   #24
Sam Vincent
Senior Member
Smoked Another SBC
 
Sam Vincent's Avatar
 
Join Date: Feb 2006
Location: Central City, KY
Posts: 10,554
Default Re: should i buy a vaccum pump or not?

Quote:
Originally Posted by spray power View Post
2311 MSD, and yes it will show in inches of vacuum. It will read map on the trace log.
thanks
__________________
sponsors:
Nitrous Express, Diamond, JESEL, Edelbrock, Marcella Manifolds, MonteSmith Perf, VP racing fuel, Moroso, GRP, Bullet Cams, RacePak, Leashed Elect, ATI

Vincent Performance
Graham KY
270-977-1893

Dealer:
Diamond, Trend, TotalSeal, BulletCams, Morel, Jesel, Brodix
Moroso, Manton, GRP, Callies, PSI~PAC, Stef's Fabrication TrickFlow, TotalEngineAirflow, PTC converters, William's Perf, ProLite batt, Ultra Pro Machine, Danny Bee, ATI, MOSER Engineering, Sonnax, PST driveshafts
Sam Vincent is offline   Reply With Quote
Old 09-08-2010, 12:40 AM   #25
Sam Vincent
Senior Member
Smoked Another SBC
 
Sam Vincent's Avatar
 
Join Date: Feb 2006
Location: Central City, KY
Posts: 10,554
Default Re: should i buy a vaccum pump or not?

Quote:
Originally Posted by Sam Vincent View Post
thanks
not coming up under that part # 2312, 2313, 2314 but no 2311
__________________
sponsors:
Nitrous Express, Diamond, JESEL, Edelbrock, Marcella Manifolds, MonteSmith Perf, VP racing fuel, Moroso, GRP, Bullet Cams, RacePak, Leashed Elect, ATI

Vincent Performance
Graham KY
270-977-1893

Dealer:
Diamond, Trend, TotalSeal, BulletCams, Morel, Jesel, Brodix
Moroso, Manton, GRP, Callies, PSI~PAC, Stef's Fabrication TrickFlow, TotalEngineAirflow, PTC converters, William's Perf, ProLite batt, Ultra Pro Machine, Danny Bee, ATI, MOSER Engineering, Sonnax, PST driveshafts
Sam Vincent is offline   Reply With Quote
Old 09-08-2010, 12:56 AM   #26
spray power
Senior Member
Smoked another BBC
 
Join Date: Nov 2007
Location: Hot Springs, AR.
Posts: 1,684
Default Re: should i buy a vaccum pump or not?

I just looked at one in the shop and it's 2311. They must have changed numbers.
__________________
Auston Pasquith
ACP Race Cars & Custom Fabrication
Hot Springs, AR.
Custom manifold porting/EFI conversions
Dealer for:
Induction Solutions/ Woody's Pluming/Jerry Bickel Race Cars/RJ Race Cars/Race Parts Solutions/Hyperformance/BTE-Memphis Performance/Strange Eng./Schoneck Composites and more!
spray power is offline   Reply With Quote
Old 09-08-2010, 07:42 AM   #27
R Parsons
Junior Member
Launchin
 
R Parsons's Avatar
 
Join Date: Aug 2008
Location: Ratcliff AR
Posts: 441
Default Re: should i buy a vaccum pump or not?

The one I was looking at was the 2314 also .
R Parsons is offline   Reply With Quote
Old 09-08-2010, 01:49 PM   #28
Seattle_Mike
Senior Member
Smoked Another SBC
 
Seattle_Mike's Avatar
 
Join Date: Mar 2007
Location: Near Seattle
Posts: 8,504
Default Re: should i buy a vaccum pump or not?

2311 is the 1 bar
2312 = 2 bar
2313 = 3 bar and so on.
__________________
68 Camaro ProMod - R-M 846 - Rossler 210

www.yvonnelucasracing.com


Seattle_Mike is offline   Reply With Quote
Old 09-08-2010, 11:10 PM   #29
1fast10
Senior Member
Smoked another BBC
 
1fast10's Avatar
 
Join Date: Nov 2008
Location: nc
Posts: 1,405
Default Re: should i buy a vaccum pump or not?

i have guage on cowl but for some reason i never see it going down track. so i was wanting to log the vacuum to see whats happenig. what location do you mount the rubber hose or the map sensor for logging. i currently have a -4 fitting in valvecover beside vacuum pump line fitting for guage. didnt know if i could tee off of that. or get at another location
Quote:
Originally Posted by Mike Beck View Post
I don't used a Digital 7, but I do have a GM MAP sensor under my dash with a 3/16" or so rubber line going through the firewall to a fitting on the back of the valve cover so it can easily be removed in the rare instance I check my lash.

I had the sensor hooked to my LM-1 at the time so I could record the vacuum during a pass. I also had a regular vacuum gauge on the dash so I could see it going down the track. It certainly saved my ass one night when I tried a "hero shot"! I saw the gauge bouncing-around and instantly kiiled the juice and continued down the track on motor. I saw the same thing on the data logger. When I opened the drain on my breather tank there was a lot of oil in there, normally there is nothing. I'm sure I would have hurt it good if I had made a full-track nitrous pass that night.
__________________
Need more speed
1fast10 is offline   Reply With Quote
Old 09-08-2010, 11:53 PM   #30
Sam Vincent
Senior Member
Smoked Another SBC
 
Sam Vincent's Avatar
 
Join Date: Feb 2006
Location: Central City, KY
Posts: 10,554
Default Re: should i buy a vaccum pump or not?

Quote:
Originally Posted by R Parsons View Post
The one I was looking at was the 2314 also .
that a 4 bar MAP sensor. the 2311 is the 1 bar which MSD no longer sales the told me on the phone today. Pete from MSD said a 1 bar would give best resolution ofr vacuum only use. just need a plain ole GM MAP sensor
__________________
sponsors:
Nitrous Express, Diamond, JESEL, Edelbrock, Marcella Manifolds, MonteSmith Perf, VP racing fuel, Moroso, GRP, Bullet Cams, RacePak, Leashed Elect, ATI

Vincent Performance
Graham KY
270-977-1893

Dealer:
Diamond, Trend, TotalSeal, BulletCams, Morel, Jesel, Brodix
Moroso, Manton, GRP, Callies, PSI~PAC, Stef's Fabrication TrickFlow, TotalEngineAirflow, PTC converters, William's Perf, ProLite batt, Ultra Pro Machine, Danny Bee, ATI, MOSER Engineering, Sonnax, PST driveshafts
Sam Vincent is offline   Reply With Quote
Reply

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off



All times are GMT -4. The time now is 07:16 PM.


Powered by vBulletin® Version 3.8.6
Copyright ©2000 - 2014, Jelsoft Enterprises Ltd.
Garage Plus vBulletin Plugins by Drive Thru Online, Inc.
Resources saved on this page: MySQL 2.99%
vBulletin Optimisation provided by vB Optimise (Pro) - vBulletin Mods & Addons Copyright © 2014 DragonByte Technologies Ltd.
Yellow Bullet LLC