Alex_GT Posted April 24, 2015 Share Posted April 24, 2015 What are the differences between the engines in the cars fitted with the automatic transmission and manual? I've had a look through the guide which shows the different specifications but it doesn't say? Unless I have missed it? Link to comment Share on other sites More sharing options...
hogmaw Posted April 24, 2015 Share Posted April 24, 2015 The 2jz-gte engine in the turbo supra is the same in both, it's just the transmission that's different Link to comment Share on other sites More sharing options...
Swampy442 Posted April 24, 2015 Share Posted April 24, 2015 Yep as above, engine is exactly the same. I believe UK manual cars have the funky belt tensioner but thats it. Link to comment Share on other sites More sharing options...
Alex_GT Posted April 24, 2015 Author Share Posted April 24, 2015 Ok thanks. I thought the engines in the automatic transmission cars had less power to accomodate the auto-clutch. Link to comment Share on other sites More sharing options...
Hitbox Junkie Posted April 24, 2015 Share Posted April 24, 2015 (edited) Nope they all came out the factory with the same power in both manual and auto platform The only difference is the uk models both manual and auto turbo engines had steel turbos not ceramic Edited April 24, 2015 by Hitbox Junkie (see edit history) Link to comment Share on other sites More sharing options...
tony tt Posted April 24, 2015 Share Posted April 24, 2015 Autos have less power. How very dare you Link to comment Share on other sites More sharing options...
Chris Wilson Posted April 24, 2015 Share Posted April 24, 2015 The auto engine has no gearbox input shaft spigot bearing fitted. If using one with a manual transmission it is VITAL to fit one. All cranks are the same, and it's just a matter of tapping one in. Conversely, if using a manual engine with an auto box it is VITAL the spigot bearing is removed from the tail of the crankshaft. People have used various means, from expensive internal bearing pullers to a mashed up loaf of bread kneaded in behind the bearing, then whacking the bread with a well fitting drift through the middle of the bearing to hydraulic it out Link to comment Share on other sites More sharing options...
Swampy442 Posted April 24, 2015 Share Posted April 24, 2015 Where did you get the less powerful auto idea from? Pub talk horseshit Link to comment Share on other sites More sharing options...
Alex_GT Posted April 24, 2015 Author Share Posted April 24, 2015 Well I thought it was something to do with energy loss. In the system of a car with an automatic transmission, there are more moving parts so more energy is lost before the wheels turn. Or something like that, on the 300ZX forum I was on there was some discussion over the automatic variants losing power because of the way the transmission delivers the power to the wheels. I'm not a mechanic or scientist so I don't really know. Link to comment Share on other sites More sharing options...
Big Supes Posted April 24, 2015 Share Posted April 24, 2015 The engine makes the same power. Power is lost through the transmission whether it's manual or auto. The auto merely saps a bit more because of it's design. Think of it as Usain Bolt wearing his favourite comfy slippers and running the 100 metres. That's an auto. Link to comment Share on other sites More sharing options...
stevie_b Posted April 25, 2015 Share Posted April 25, 2015 Think of it as Usain Bolt wearing his favourite comfy slippers and running the 100 metres. That's an auto. Best post this week! - - - Updated - - - Think of it as Usain Bolt wearing his favourite comfy slippers and running the 100 metres. That's an auto. Best post this week! Link to comment Share on other sites More sharing options...
LOGIE Posted April 25, 2015 Share Posted April 25, 2015 Alternator has differences also! manual will have a 90amp alternator where as an auto will have 100amps. I "think" there is a difference in fitment also...if i remember correctly Homer had an issue with fitting one in his build thread. Link to comment Share on other sites More sharing options...
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