Some pumps are very sensitive to injector pop pressure and will deliver less fuel with higher pressures.
It's due to internal leakage (increases with higher pressures) and everything flexing so more stroke is taken up expanding lines etc.
You'll...
I say don't start on a rebuild unless you're ready to do a complete rebuild. The chances of finding or causing new problems are extremely high. To make sure you're good you're going to end up with new bearings throughout, new pistons/rings and...
Interesting idea but I think you need a far bigger duct than the 2.5" pipe. Either that or you need a decent fan pushing air through it.
If you're running a stock tune you don't need an intercooler. It's perfectly safe to run at max load...
Hey everyone,
I'm new to the forum, I hope this is the right place to put this post.
I purchased a 1991 CE95 Corolla a couple months back, its a 5 spd, 4WD with a 2C 2 liter diesel.
The big reason I joined was because I was able to find...
You will only know how good your current engine is when you've got the ancillaries all working correctly. It most likely will do everything you need once you get the intercooler and tune sorted.
All good info there. I would also be concerned about pressure loss across the intercooler. One with more cores and more thickness provides less flow resistance as well as better cooling.
Basically if higher boost gives you higher EGT something...
Have you got some more angles of that intercooler?
12HT being a factory turbo engine would be expected to have ALFIN pistons. I can't imagine anyone making non reinforced pistons for them.
Isuzu engines from the same time had ALFIN pistons and...
You're putting the cart before the horse. Before you can do any of that you need a big intercooler.
A big intercooler will solve your current EGT and boost problems.
The mods listed are to get more fuel and prevent blown head-gaskets. Neither...
Are you intercooled? Because without an intercooler it's hard to make any progress on EGT and air-flow past 15psi.
I know you're tight for front end clearance. But an intercooler is more important than your engine choice at this point.
I've never seen a gauge out by more than about 1psi. I put up a post up here at the time with the exact figures but I haven't been able to find it. My pressures were taken from the wastegate line.
Where is the ECU getting it's pressure signal...
They come from putting gauges on a stock HDJ100 and driving it. I have a post here somewhere with all the figures at the time but I can't find it in an easy search. My recalled numbers should be closed.
Tested the 100 series 1HD-FTE stock and...
You're running a G-turbo but only to 13psi max? Are you intercooled?
A 1HD-FTE runs about 17psi stock to deliver the 440Nm/140kw in the 100 series. I put up post up here years ago after putting gauges on one.
Your 12HT would be about 15% less...
Only one thing needs said about the 15BFT. MEGACRUISER.
Trucks use long stroke 4 cylinder engines because they have great torque at low rpm and the best fuel economy. Passenger vehicles use 6 cylinder engines because they're smoother, quieter...
You can't go past the H15* boxes for strength from a Toyota box.
They were designed from ground up as a heavy duty 5 speed. 5th gear is integrated on the main shaft, and last shaft
H55 started life as a 4 speed.
5th gear was added on the reverse...
Not in a cruiser, but yes, some R2.8 experience here. They don't do well in the durability department and the power figures aren't that impressive TBH.
I'd much rather have a 2LTE than the little Cummins.
In my country they were factory fitted to Chinese Foton utes. A decade ago there were plenty on the road but they're pretty much all gone now. I know a guy who had two engines replaced by 100,000km.
Bores wearing out is one of the big problems...
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