Electronic Components Datasheet Search |
|
PN77631 Datasheet(PDF) 9 Page - Mallory performance club |
|
PN77631 Datasheet(HTML) 9 Page - Mallory performance club |
9 / 12 page INSTALLATION INSTRUCTIONS 9 MSD • W W W. M S D PE R F OR M A NC E . C OM • ( 91 5 ) 8 55 - 7 12 3 • F AX ( 91 5 ) 8 57 - 33 4 4 willnotmake27psiofboostpressure.Itwouldn’tbeuncommontosee18-20psiofboostpressure inthatscenario.Thewaytodeterminehowmuchboosttheturbowillmakeinrelationtopressure increasesonthewastegateisthroughtesting.Therearephysicallimitationsintheturbocharger system,wastegatesizeandplacement,pressuredrop,andenginelimitationsthatwillaffecthow muchboostpressuretheturbowillactuallymake. BOOST CONTROL: SPOOL (FIGURE 9) Figure 9 Boost Control: Boost Curve Thenextsettingsfunctionasaspoolrev-limiterorretardwithoutwiringupthe5thstepretardwire asaspoollimiter. Spool Boost Target:Usedtosetthetargetspoolpressure.Therangeofadjustmentis2.9psito75psi. Launch RPM above Target: SetsthelaunchRPMoncetheSpoolBoostTargetisreached.Thesetting canbeadjustedfrom0RPMto12000RPM. Note: ThissettingwillfunctiononlyifsetbelowthelaunchrevlimiterwithinthePN7730. Spool Boost Retard: Aretardusedtohelpspooltheturboduringstaging.Adjustablefrom0-30* TheBoostControlModulehastwodifferentmethodswhichaidinspoolingtheturbo.Thesemethods workseamlesslywithouttheneedforadditionalwiringofthestepretardwirestoactivethespool rev-limiterinthePowerGrid. Note:Onlyonemethodforspoolboostrev-limiting/retardingwillworkatanygiventime.Thetwo methodscannotbeusedtogetheratthesametime. Method 1: LowerthelaunchRPM.StartbysettingtheSpoolBoostRetardto0.SettheSpoolBoost TargettothedesiredMAPpressureatlaunch.SettheSpool/LaunchRPMtothedesiredlaunch RPM.Thiswillworkasthelaunchlimiteroncetheboostpressureisatthedesiredlevel.Set theLaunchRevLimiterinthePowerGrid7730Rev-limitertoahigherlimittoactastheSpool Rev-Limiter.Forexample,ifthedesiredmanifoldpressurewas12psi,andthecartypically launchedat4400RPM;TheLaunchRevLimitercouldbesetto4800RPMtoaidinturbospool. TheSpool/LaunchRPMcouldbesetat4400RPM.Oncetheturbospooledandbuiltmore than12psiofboost,theBoostControlModulewouldautomaticallyswitchfromthe4800RPM rev-limittothe4400RPMrev-limit. Method 2: SettheSpoolBoostRetardtothedesiredretardamount.SettheSpoolBoostTargetto thedesiredMAPpressureatlaunch.SettheSpool/LaunchRPMtotheminimumRPMthat theretardwillactivateat. Note:OncetheSpoolBoostTargetisachieved,theSpool/LaunchRPM(Method1)orSpoolBoost Retard(Method2)willclampdownlaunchvalue,evenifthepressuredropsbelowtheSpool BoostTarget.Thisistopreventthelimiter/timingfrom“hunting.” |
Similar Part No. - PN77631 |
|
Similar Description - PN77631 |
|
|
Link URL |
Privacy Policy |
ALLDATASHEET.COM |
Does ALLDATASHEET help your business so far? [ DONATE ] |
About Alldatasheet | Advertisement | Datasheet Upload | Contact us | Privacy Policy | Link Exchange | Manufacturer List All Rights Reserved©Alldatasheet.com |
Russian : Alldatasheetru.com | Korean : Alldatasheet.co.kr | Spanish : Alldatasheet.es | French : Alldatasheet.fr | Italian : Alldatasheetit.com Portuguese : Alldatasheetpt.com | Polish : Alldatasheet.pl | Vietnamese : Alldatasheet.vn Indian : Alldatasheet.in | Mexican : Alldatasheet.com.mx | British : Alldatasheet.co.uk | New Zealand : Alldatasheet.co.nz |
Family Site : ic2ic.com |
icmetro.com |