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08-04-2018, 03:25 PM
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#1 |
 Drives: 2017 1SS 1LE Join Date: Jan 2018
Location: Ohio
Posts: 127
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Compression test procedure?
Quick question on compression testing these LT1 motors. Is there a fuel pump fuse or harness that needs to be disconnected before cranking, or is it sufficient to just hold the accelerator pedal?
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2017 Camaro 1SS 1LE - Stock for now
2015 VW Golf R DSG - GIAC ECU/TCU tune |
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08-04-2018, 05:14 PM
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#2 |
 Drives: ex-wife's car Join Date: Jan 2011
Location: Iowa
Posts: 258
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Just hold the accelerator to the floor.
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08-04-2018, 06:14 PM
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#3 |
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Drives: 2022 Lt1 A10 Join Date: Nov 2015
Location: clark, mo
Posts: 8,882
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That deactivates the injectors so they do spray fuel into the cylinder
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08-04-2018, 06:42 PM
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#4 |
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Drives: 2017 1SS 1LE Join Date: Jan 2018
Location: Ohio
Posts: 127
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Thanks guys!
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2017 Camaro 1SS 1LE - Stock for now
2015 VW Golf R DSG - GIAC ECU/TCU tune |
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08-05-2018, 02:52 PM
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#5 |
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Drives: 2017 1SS 1LE Join Date: Jan 2018
Location: Ohio
Posts: 127
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Damn, how are you guys getting to the passenger front plugs? No matter how I mess with the overflow tank and coolant lines/wire harnesses, I cannot get my hands in there enough to pull the plug wires off, let alone getting a socket wrench in there for the plug!
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2017 Camaro 1SS 1LE - Stock for now
2015 VW Golf R DSG - GIAC ECU/TCU tune |
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08-05-2018, 04:37 PM
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#6 | |
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Quote:
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DMS Flex Fuel-E85
HPTuners Ngauge Roto Fab CAI, LPE Ported/Polished 95mm LT5Throttle Body, PRAY Ported MSD Intake Manifold, SP Coated TSP 1 7/8" Catlless Longtubes Hooker BlackHeart Cat-Back, Mishimoto Catch Can (Which always has some nasty in it  )Instagram@Weapon_6 |
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08-05-2018, 05:31 PM
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#7 | |
  
Drives: '17 Red hot 2ss, 16 Focus RS Join Date: Aug 2015
Location: Michigan
Posts: 845
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Quote:
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"Spitfire" 427ci
2017 Red Hot 2SS// 6 Piston Brembos//Adrenaline Red Interior, Knee Pads//M6//MRC Afe Air Filter//BMR MM010 Motor Mounts, Safety Loop//Custom OTR Intake//Flex Fuel Kit//Gforce 3.5" Aluminum Driveshaft//GM 95mm TB//Katech Oil Pump, Piston Squirters//Kooks 1-7/8 LT//LT4 Fueling//Mighty Mouse Wild//Monster Clutch LT1-S Triple Disc//MSD 2-Step//Pray Performance Custom Spec Cam, Ported Holley Hi-Ram//Sikky 12" Shifter w OEM Knob Mod//Tick Level 1 Tr6060//Labor by Me//Tune By Pray Performance |
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08-05-2018, 05:37 PM
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#8 |
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Drives: 2017 1SS 1LE Join Date: Jan 2018
Location: Ohio
Posts: 127
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Ugh, I was hoping to not have to pull the overflow tank.
So I take it people aren't doing compression tests on hot engines? I'd hate to risk leaking hot coolant trying to get that tank out.
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2017 Camaro 1SS 1LE - Stock for now
2015 VW Golf R DSG - GIAC ECU/TCU tune |
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