How long will a 350 go?

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Oct 13, 2007 | 11:01 AM

#21

Ron R

Drifting

Joined: Jul 2007

Posts: 1,712

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From: Tampa FL

If you're not hot-rodding it all the time, the motor will last longer than you. I mean, if you rebuild it once every 100k miles it will always be like you have a brand new motor.

Oct 13, 2007 | 12:00 PM

#22

turtlevette

Melting Slicks

Joined: Feb 2003

Posts: 3,053

Likes: 4

St. Jude Donor '03,'11

Quote:

Originally Posted by lars

I have 300,000 on my 350 Vette right now. The engine, tranny and rear are all original and have never been out, and no major work has ever been done. I'm going for a half million right now...

your odometer still turns.? mine stripped out at 202k

i just don't get how someone can get more that 150k out of a chevy engine or tranny. I just can't fathom it at all. its way way beyond my comprehension.

you've at least replaced the valve seals.......right?

Last edited by turtlevette; Oct 13, 2007 at 12:02 PM.

Oct 13, 2007 | 07:07 PM

#23

S489

Burning Brakes

Joined: Feb 2006

Posts: 1,024

Likes: 1

From: AL

Quote:

Originally Posted by ZAXVETTE

70,000 wow, can I ask what was the matter with the 70,000 mile one? were you a young buck hot rodding or was it pampered and just went out?

Zach

on that engine, i don't know how the first 36,000 miles were driven, but the last 35k or so, i drove many hwy miles (3,000 rpms) and did occasionally get down on it (kept it under 6000 rpm); it also had it's share of stop and go in town. with an automatic, there was no engine braking.
i think it was just a poor quality timing chain set . . .

Oct 13, 2007 | 07:17 PM

#24

74/L82/4spd

Intermediate

Joined: Aug 2007

Posts: 38

Likes: 0

From: dallas ga

I remember in the early eighties, when I was a line tech in a chevy dealer I saw alot of cam and lifters worn out at 50-60k.All of these were 305-350 from 76-80.I think they had a bad run of camshafts through those years because we were doing them under warranty and doing bunch of them.But small block chevies are bullet-proof if you take care of them.

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