The name Silvertop was given to the 4th generation of the 4A-GE engine. When the 4A-GE’s with the 16V heads couldn’t be improved upon any further, Toyota decided to design a completely new cylinder head, but this time with 20 valves. … 5 Valves per cylinder (3 intake valves and 2 exhaust valves).
How high can a 4A-GE Rev?
Re: 4age 20V rpm limit
Stock is 7800 rpm for the 5-speed and 8250 or so for the 6-speed ecu. Without a catalytic convertor you can rev about 200 rpm more on a stock engine. I have a Mine’s ecu with an 8400 rpm limiter. The 5sp ecu also has an 8250 rpm limiter.
What is a 7AGE engine?
A 7AGE is a hybrid motor that uses a 7AFE block, crank and sometimes other bottom end components and a 4AGE head and other components to make a 1.8 liter stroker motor. You can do this with any 4AGE head including largeport, smallport, silvertop or blacktop.
What’s the difference between blacktop and Silvertop?
Blacktop is factory turbo and you can put aftermarket turbo on them if you want. Silvertop is non-turbo but is as strong as Blacktop. The colour of the top just changed from year to year.
What is the difference between a silver top and a black top?
While their valve size and position are identical the Silvertop features a chamber with a squish area in every gap between the valves. The Blacktop on the other hand features all but the smallest flat section behind the exhaust ports.
How much boost can a stock TD42 handle?
from what i understand 15psi is roughly max for stock non-intercooled. over that you really need intercooling.
How much HP can a 4age handle?
Registered. I’d say your fairly safe boosting a 4age to around the 190-200hp range but thats going to require spot on tuning the slightist case of detonation is going to shatter your ringlands so don’t skimp get good injectors, a megasquirt , good wideband and a great tune.
Is 4age carbureted?
The fuel injected 4A-FE is the successor of the carbureted 4A-F. It was manufactured between 1987–2001. Toyota designed this engine with fuel economy in mind. … The second generation engine was produced from 1992–1998 (1993–1996 in the US).
How much HP does Takumi’s ae86 have?
This engine had around 240HP, although it was likely tuned down for road use, and revved at 11,000RPM.
How many miles can a 4AGE last?
Registered. a 4AG can hit 300K. Although mine died at 212K, 240K, and 1 is still alive at 190K.
What makes Toyota engines last so long?
One reason is they build their engines to be low stress. Most of their engines could handle a decent amount more of power but they bridle that power to provide less stress over time which in the end prolongs its life.
What does 4AGE stand for?
A for A type engine. E for Corolla. 101 – Generation. Your AE101 has 4AFE engine. If you put in 4AGE then it would mean you got basically same engine type with G head.
How much boost can a TD42 black top handle?
the engine will handle +50psi if you want. the big thing is how much power do you want, what fueling can you do and what will the turbo handle. there is limits depending on what fuel pump you have.
Can you turbo a TD42?
Typically a turbo upgrade to a TD42 makes very little difference to fuel economy. If anything there is a slight improvement when adding a turbo to an N/A engine. Adding a bigger turbo and intercooler to a stock turbo motor makes no noticeable difference to economy.
How much PSI does a stock TD42 run?
21 psi sounds a bit high for a 4.2 TD. Wearing 2 condoms I consider safe and anything that cannot produce triple digit Killerwasps I consider silly or Korean. Other than that I would say you could crank a fair bit more grunt out of the TD42T than the above. What fuel economy are you getting?
How good are TD42?
The main reason the TD42 is so highly regarded by the hardcore off-roaders out there is that it’s a better chance than most to get you home every time. Even the allegedly lighter-piston version of the engine is fine provided you don’t mess with its tuning.
What is a twin cam 20 engine?
A “twin-cam” engine has two camshafts, specifically a double overhead camshaft or DOHC, which define the valve train layout. While saying you have a twin-cam engine sounds cool, it isn’t always a precise term. In a twin-cam engine, there are two camshafts inside the cylinder head, positioned above the cylinders.
What is Toyota’s best engine?
From the factory-boosted Mk IV Supra to the fabled GT-One race car’s powerplant, these are Toyota’s greatest engines.
- 2JZ-GTE Inline-Six.
- 1JZ-GTE Inline-Six.
- 4A-GE Inline-Four.
- 3S-GTE Inline-Four.
- 4U-GSE / FA20 Flat-Four.
- 1LR-GUE V-10.
- 7M-GTE Inline-Six.
- 2ZZ-GE Inline-Four.
What car has a 7age?
Finally, a 7age 1.8l found its place in Bob’s car! The 7age is a hybrid engine build with a 7afe Celica/Carina bottom end and a 4age 16V head. The big advantage is more torque throughout the rpm band.
How many Pistons does a 4age have?
Stock dome volumes have been corrected for each head and we have also refined the design of the 16 valve pistons.
Which Toyota engine is most reliable?
The 2ZZ-GE is most reliable Toyota engine. This petrol unit has become one of the most common engines of the early 21st century.
Why is Toyota so reliable?
Toyota has some of the longest-lasting cars in the market. Toyota cars’ ability to stand the test of time has helped them earn a reputation of being reliable. Since Toyota cars rarely break down, you are going to spend less on the vehicle while you own it. These are some of the reasons why Toyotas are so reliable.