Best answer: What transmission is good for a 454 big block?

What is a good transmission for a 454?

You can get a really good aftermarket transmission from Tremec or Gearstar or you can find either a 350 or 700 automatic transmission out of a GM vehicle. , Certified Master Auto Technician for 25 years. Factory transmissions built to handle high input torque were the Turbo 400 or if overdrive is desired a 4L80E.

What transmissions bolt up to a 454?

A stock 400 trans will hold up fine in a 454 powered pickup, while a 700 will have to be modified, and set up correctly, and still might go out at any time.

Can 700r4 handle 454?

Yeah a stock 454 won’t kill a stock 700r4 unless you’re planning on towing with it or hot rodding the 454 some day. Once you upgrade something though you’ll have a hard time with the weak parts like planetary, power band, output shaft. All of those should be upgraded if towing or building the engine are in your future.

How much horsepower can you get out of a 454 big block?

The 454 EFI version was rated from 230 hp (172 kW) to 255 hp (190 kW) and from 385 lb⋅ft (522 N⋅m) to 405 lb⋅ft (549 N⋅m) of torque.

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How much does it cost to rebuild a transmission?

Average Cost of Rebuild, Repair, and Replace:

According to Transmission Repair Cost Guide readers, the average cost of transmission replacement ranges from $1800 to $3400. A used/salvage transmission ranges from $800 to $1500, a rebuilt transmission from $1100 to $2800 and a remanufactured from $1300 to $3400.

Will a SM465 bolt up to a 454?

The SM465 is plenty strong enough for a 454.

Will a 454 fit in K10?

Both will work but I have found that using 350 mounts on the 454 will cause the fan to rub the bottom of the fan shroud. Use all of the parts from the 454 truck in the K10.

Are 350 and 454 motor mounts the same?

They are all the same. All mounts will have the bolt location in the same spot. If there is a difference it will be in the frame and not in the mounts.

How much HP can a 700R4 handle?

The Street/Strip 700R4 is good for about 550 hp maximum, but with the HD input drum it is good for about 625 hp max. Add another $240.00 for the input drum.

How much torque can a 700R4 transmission handle?

The torque that can be handled by a 700R4 transmission varies depending on its production year. Nonetheless, you can expect a max engine torque around 350 lb-ft and a max gearbox torque of 650 lb-ft.

Will a 700R4 replace a 4L60E?

No 700R4 transmissions were ever controlled by the ecm. The lockup function is grounded with the ecm, but not the shift points like the 4L60E that replaced it. Any 700R4 will work in any application.

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How many miles will a 454 last?

Engines older than 1997 need oil with zddp. Newer engines don’t need it so most oil dosn’t have it. 454 will run 200k with the right oil.

How much does it cost to rebuild a 454?

How much does it cost to rebuild a 454? Engine only to rebuild including no labor to remove & replace or related parts is about $3000.00 on up depending on exactly what you want, this does include the oil pump as no rebuilt engine will not include one. total job will be $6000.00 plus.

Are 454 engines reliable?

Re: Reliability of 454 I have found them to be very reliable although I haven’t had one with more than 45000 miles on it. They do tend to run a bit warm but once you find the “normal” for your unit and keep the coolant clean and properly serviced you should have no trouble.