A Change over
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Joined: Nov 2001
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From: Cypress, SoCali
Car: 2006 Tacoma X-Runner
Engine: 4.0L DOHC V6
Transmission: 6-Speed Manual
Axle/Gears: 3:15 LSD
A Change over
What would have to be just or altered if I take the TPI off my LB9 305 and put it on a ZZ4 crate motor? Would the TPI work on the ZZ4?
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Joined: May 2000
Posts: 2,963
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Car: 1982 Z28
Engine: LS1
Transmission: T56
Assuming your TPI is mass airflow (MAF), you'll need to swap the knock sensor. You may be able to re-use the 305's old 19# injectors and software if you add an adjustable fuel pressure regulator and crank up the pressure to add delivery volume.
Knock sensors are frequency-specific to engine displacement so get a 350 piece from same or compatible model year as your car.
If you go the low-buck route and reuse the 305 injectors and software, get a scantool or laptop software so you can read the diagnostic data off the ALDL port, and be prepared to start burning chips to tune it correctly.
If you want to take the easier path, you can upgrade to 22# injectors and 350 software but there's money involved. Figure $220 for Accel injectors, and $50 for a 350 MEMCAL.
Knock sensors are frequency-specific to engine displacement so get a 350 piece from same or compatible model year as your car.
If you go the low-buck route and reuse the 305 injectors and software, get a scantool or laptop software so you can read the diagnostic data off the ALDL port, and be prepared to start burning chips to tune it correctly.
If you want to take the easier path, you can upgrade to 22# injectors and 350 software but there's money involved. Figure $220 for Accel injectors, and $50 for a 350 MEMCAL.
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