LT1 TACH INSTALL
Tach Signal Interface for LT1 and LS1 Conversions - Hawks
The NEW SGI-8E Tachometer Interface Unit is designed to allow a factory tachometer to function accurately after performing an engine swap to an engine with a different number of cylinders or tach signal.
GEN V LT1/LT4 VSS and tach signal generation – Super Dave
Nov 14, 2017Normal rear wheel drive domestic installation takes four magnets on the drive shaft with a pickup coil mounted approx 5/8″ away. It seems odd that you would use old school mechanical magnets spinning around on the outside of your driveshaft to get a signal that your speedometer can read, but it’s a least a solution.
LT1 Wire Harness & Tuning | SSW | Standalone GM Wire
The harness at view is made to fit a LT1 (Impala/Caprice/Camaro) the computer mounts in the right hand front fender, passenger side transmission on this application is the 4L60E. Components included: fuel pump relay, ALDL connector, Ho2 connectors, Tach pigtail, VSS pigtail. Any harness can be made to operate a full or no emissions engine.[PDF]
Gen V LT1/LT4 installation guide - automobileman
Dirty Dingo also manufactures a power steering pump conversion for the LT1 and they run $469 Pace Performance offers an LT1 and an LT4 serpentine system that includes hydraulic power steering and runs around $3,000
LT1 to Datsun tachometer wiring - Gen I & II Chevy V8 Tech
May 06, 2006The coil on the LT1 is the same as on TPI and TBI engines from 1987 through 1995 cars and trucks. The LT1, however, does not have the extra wire for the tachometer hook-up. To connect the tachometer to the LT1, get a connector from the coil of a 1987-1995 car or truck.
LT-1 Ignition System - Understanding, Modifying - GM High
Oct 01, 2003The LT1 ignition system could actually be referred to as a hybrid that is a cross between a time-based conventional ignition and a corresponding duration-configured distributorless design.[PDF]
Optispark installation guide - AIP Electronics
Optispark installation guide By John Benton First make sure you know what kind you have, the 93-94 were alike and the 95-97 were the same. The difference is how they are connected to the cam. The 95-97 style optisparks are vented, meaning they have a vacuum tube attached to them) so they are
Tach wiring for 99+ Vortec/LS1 - LT1 Swap
The tach wire is found on the RED PCM connector for 1999-2002 vehicles and the GREEN PCM connector on 2003-2006 vehicles. This may not be needed on all, I have had a 12200411 PCM from a 2001 work just fine without the resistor. So far, all 2003+ have had to have it. Back to 99+ Vortec Wiring Harness Info Page.
Wiring Harness Information - LT1 Swap
TACH Signal - On 1993 LT1 with distributors, this comes from the negative side of the coil. Later LT1 and on LS1, Vortec 4.8/5.3/6.0 this comes from the PCM, which generates this signal for a aftermarket tachometer. The stock LS tach signal is 4 cylinder type signal.
4th Gen LT1 F-body Tech Articles - shbox
While crusing on a moderate temperature day, an LT1 will generally run 10°-20° warmer than the thermostat temp rating. Make sure you use the correct, long LT1 thermostat (not an SBC thermostat) as described in the troubleshooting section above.