Little Trucks, Big World

Engine Problems (313)

Discussions Replies Latest Activity

Blown head gasket.... WHICH gasket to buy as replacement?

Well, after 32 years on the original engine, the head gasket blew between cylinders 3 and 4 causing loud knocking under load.  I nursed it…

Started by Marc B.

15 Dec 7, 2018
Reply by datzenmike

Truck died while driving, now no spark.

Hello there 720World!   As I was driving my 720 across town, my truck died in an intersection and now won't start back up. Checked all the…

Started by Noah Geist

4 Nov 20, 2017
Reply by Noah Geist

Fuel pump regulator

84 KC 4x4. Fuel pump stopped delivering. But it works fine if you bypass the factory circuit with a direct connection to battery. Mechanic…

Started by rickygee

13 Oct 26, 2017
Reply by Tommy Perkins

Distributor Wiring.

Hi there 720 World, My truck is not getting getting any sparked, so I went to check my coils and I realized that I have four wires just ha…

Started by Noah Geist

4 Sep 3, 2017
Reply by datzenmike

Cold start issues

Hi y'all. This would be my first post here... please let me know if it's in the right place!  I've got an '85 720 ST king cab 4x4 5spd. I'…

Started by Alex

7 Jun 23, 2017
Reply by Alex

Motorhome woe.

I have a 1982 motorhome that needs a 1981 dually rear axle assembly. I have not had any luck with the big parts recycling outfits. Any lead…

Started by Tad Cordry

0 Jun 22, 2017

Transmission woes

1984 KC 4x4 5 speed manual. Problem: Clutch pedal depresses normally, does not feel mushy like hydraulic issue. But stick will not go into…

Started by rickygee

5 Jun 4, 2017
Reply by datzenmike

Jump Start

I can't believe no one has had an engine problem after last April. This post is to prime the pump. 

Started by datzenmike

9 Jan 16, 2017
Reply by channing

81' 720 stopped idling on cold start

Morning! So my truck has run great for many miles and overnight all of the sudden the truck no longer idles cold.  I have to do a start >…

Started by Jonathan David

2 Apr 30, 2016
Reply by datzenmike

Seeking Some General Advice - Locked up 2.4 Engine

Greetings everyone, I joined this forum a while back b/c it seemed like a great place for knowledge on NAPSZ motors (I have a Z22E in my '…

Started by Bill Skene

0 Apr 24, 2016


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