Are all 4L60E torque converters the same?

Are all 4L60E torque converters the same?

Are 4L60E transmissions the same? No they are not. More importantly, not all 4L60E transmission are compatible with one another.

What size stall converter do I need?

For mild performance cars with something like a 350 HP engine, a 2,200 2,400 stall is about right. The basic rule of thumb is; if your engine “comes alive” at say, 3,500 RPM, then you want a stall converter with about 3,500 of stall to it.

What is the difference between a 350 small block and a 350 big block?

Though big-block engines are significantly larger than their small-block brethren, the true difference between these two is more about displacement, bore, and stroke than strictly size. Typically, big-block engines have displacements of greater than 400 cubic inches and small block engines have a smaller displacement.

Will a Chevy straight 6 flywheel fit on a v8 engine?

Re: chev 6 flywheel to v8 Until you get to the later engines that have the one piece rear main seals the six cyl and V8 flywheels will all balance. except for the small block 400 and the 454. the SB400 and BB 454 are externally balanced.

What does BOP transmission mean?

BOP=Buick Olds Pontiac, and it refers to the transmission bell housing bolt pattern, which is different from Chevy.

Will a 400 transmission fit a 350?

Automatic transmission fans will tell you that a. A typical TH400 drains almost 50hp to drive it, whereas a TH350 will operate at a loss of only about 35hp. The TH350 can take a beating too-with race modification, a TH350 can work with engines rated at more than 400hp.

How do you tell if a transmission is a Turbo 400?

It is identified easiest by its “375-THM” designation cast in the underside of the tail housing. The TH475 was an extra-heavy-duty version, and was found in larger trucks from 1971 on. If you are trying to determine the TH400 from another in a vehicle, a fast way to tell is to look at the kick down mechanism.

What does a Turbo 350 transmission look like?

Look at the transmission pan. The Turbo 350 has a basically square pan with one corner cut off. The part of the pan at the rear of the transmission looks like the lower part of the state of Texas (really). It measures 16 5/8-inches long and 13-inches wide.

Is a Turbo 350 transmission good?

The TH350 is an automatic shift, three-speed transmission. It is widely considered to be one of the greatest of automatic transmissions ever built.

How much horsepower can a Turbo 350 transmission handle?

The Stage 1 TH350 is rated up to 450 hp. Those seeking something a little stronger can check out the Stage 2 version (PN PA35102) that holds 550 hp and retails for $1,500 with a real world street price of $1,175 from most vendors. Both transmissions come with a standard one-year warranty.

How much horsepower can a Turbo 350 take?

Alex, The TH350 can easily handle 600 lb/ft when properly built. It doesn’t take anything super fancy. I have a couple at 600+ using a stock intermediate roller clutch setup.

Does a Turbo 350 transmission have overdrive?

Overdrive. The 700R4 has an overdrive while the TH350 does not. Overdrives allow for high-speed cruising, which saves fuel while lowering torque.

Which transmission is better TH350 or 700R4?

While a vehicle with 4.11 gearing may scream down the highway with a a TH350, it’s going to keep the engine in the power band longer. The 700R4 goes from a 3.06 -> 1.62 1-2 shift, which is way more aggressive than the Turbo 350’s 2.74 -> 1.57. Simply put, the TH350 is going to keep the vehicle in the power band longer.