Outer Limits 4x4 Board

Im runing a 253 strate gas moter in my hux and she is missing under load at lo revs 1st 2nd a little in 3rd 4th all good unles you drop doun to 40kmh and load it up( Not that i drive like that but it just exaggerates the problem).
Have replaced nearly every thing that bolts onto wired to and plumbed to it to no resalt timing is right i have no prob with spark!
We have been plaing with gas mix and seams to not have much of an effect on the problem!

Thoughts?

Cherrs....

have you checked compression?

Burnt valve maybe

does it improve when the car warms up at all? Have you replaced the coil?

It was running warm and ticking a while a go, No motor tick but missing, still pulls hard at full stick!

Would a valve play up still at high revs?

yes.
I have replaced coil spark plugs + wiring to and from the coil and ignition, have replaced the dissy plus cap and leads,wiring to the gas system including the safety switch and checked timing!

Sorry no it dose not inprove when warm.

Check the points gap is right mate.

Sorted! don't no what it was but have been plaing with gas.

I think i have it spot on, its amazing what a 253 stroker cen do when tuned right!

good to see its sorted . just thought id ad if your still running points its well worth changing to electronic i had a 81 hilux with a 253 and changed it to electronic and the improvement was unbelievable .heeps more power and revs and water crossings didnt bother it as much .