I have a GQ with a TB45 engine fitted. The engine wont rev past 3000rpm on fully throttle. When it hits 3000rpm it stops dead and misfires so it must be electrical. If I drive away slowly with half throttle it will rev to 6000rpm. I have removed the rev limitor from the rotor button and I can find what else it could be. If I use half throttle to get to 5000rpm then floor it the engine makes horrible sucking noises and backfires.
TB45 engine with TB42 distributor
pertronix lobe sensor ignition
NGK BPR6ES plugs 38 thou gap
New bosch plug leads
Bosch GT40 coil
Straight gas no ECU
Anyone got any ideas?????
EDIT:
tittle changed
Kingy
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Engine wont rev - GQ / TB45
Engine wont rev - GQ / TB45
Nissan GQ Patrol '89
TB45 ~ LPG ~ 33' bighorns
TB45 ~ LPG ~ 33' bighorns
Re: Engine wont rev - GQ / TB45
It was well worth the conversion. I also dont have any risk of cracking a head as its rare for TB45 to do it.
I have done a lot of work to the engine also to prepare it for LPG.
I have a build thread on 4WD action forum, have a look there to get the info rather than me post it all here again
http://www.4wdaction.com.au/forum/showt ... hp?t=79902
I have done a lot of work to the engine also to prepare it for LPG.
I have a build thread on 4WD action forum, have a look there to get the info rather than me post it all here again
http://www.4wdaction.com.au/forum/showt ... hp?t=79902
Nissan GQ Patrol '89
TB45 ~ LPG ~ 33' bighorns
TB45 ~ LPG ~ 33' bighorns
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