THM 325-4L transmission

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Aug 28, 2024 | 01:30 PM

zodiggitty

Thread Starter

Registered User

Joined: Aug 2024

Posts: 1

THM 325-4L transmission

Hi Everybody, looking to swap a 350 Olds carbureted motor into a 1985 Eldorado that has the HT4100 is there something I need to do to the transmission.Some transmissions u can run without the lock up engaged some you can’t. I'm not sure about this one. Please advise? Thank You......

Aug 28, 2024 | 06:05 PM

joe_padavano

Old(s) Fart

Joined: Mar 2007

Posts: 50,791

From: Northern VA

The Olds motor will bolt to the trans, but you will need the correct motor mounts and engine bracket for an Olds 307 in that car. You will also need the correct Olds FWD exhaust manifolds.