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Search found 8 matches

by spider
Tue May 21, 2019 10:07 am
Forum: 240-300 "Big Block" Six Performance
Topic: 1968 Ford F250 with 4.9 ltr six
Replies: 2
Views: 719

Re: 1968 Ford F250 with 4.9 ltr six

There's no EGR on it. Just the old PVC valve in the valve cover and the tube from the valve cover to the air cleaner. Just the basic smog set up from the old days.
by spider
Mon May 20, 2019 6:30 pm
Forum: 240-300 "Big Block" Six Performance
Topic: 1968 Ford F250 with 4.9 ltr six
Replies: 2
Views: 719

1968 Ford F250 with 4.9 ltr six

Howdy all, I have a 1968 ford F250 with an 80's 300 six in it.It had a 240 in it and that's where the carb set up came from. When I drive it, it has a slight surge under load. I've tuned it up and rebuilt the Carter YF carb on it and adjusted the metering rod in the carb correctly. It only does it u...
by spider
Sun Mar 03, 2019 2:17 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Ford 300 six, what year?
Replies: 6
Views: 1266

Re: Ford 300 six, what year?

Allright, thanks for the info.
by spider
Sun Mar 03, 2019 2:15 pm
Forum: 240-300 "Big Block" Six Performance
Topic: 1968 Ford F250 with 4.9 ltr six
Replies: 3
Views: 746

Re: 1968 Ford F250 with 4.9 ltr six

Great! thanks for the info.
by spider
Sat Mar 02, 2019 3:32 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Ford 300 six, what year?
Replies: 6
Views: 1266

Ford 300 six, what year?

How can I tell what year my ford 300 cu.in. six is?
by spider
Sat Mar 02, 2019 2:58 pm
Forum: 240-300 "Big Block" Six Performance
Topic: 1968 Ford F250 with 4.9 ltr six
Replies: 3
Views: 746

1968 Ford F250 with 4.9 ltr six

[b][b]Has anyone heard of using Chevy 250 six rocker arms on a ford 300 six for more lift?[/b][/b]
by spider
Thu Feb 14, 2019 11:01 am
Forum: 240-300 "Big Block" Six Performance
Topic: 1968 Ford F250 with 4.9 ltr six
Replies: 8
Views: 1373

1968 Ford F250 with 4.9 ltr six

Howdy all, I just picked up a 1968 Ford F250 with a late model ( was EFI) 300 six in it. They put the 240 intake and exhaust on it and it runs good but lacks the torque going up hills. It has a Dana 60 rear axle with 4:10s in it. I know that if I install the late model split exhaust manifolds, that...
by spider
Sun Feb 10, 2019 12:17 pm
Forum: 240-300 "Big Block" Six Performance
Topic: 1968 Ford F250 with 4.9 ltr six
Replies: 3
Views: 1066

1968 Ford F250 with 4.9 ltr six

Howdy all, I just picked up a 1968 Ford F250 with the 300 cu. in. six and 4 speed transmission. It has the Dana 60 rear axle with 4:10 ratio. The engine runs good but doesn't seem to have much power in the hills. My question is, it has the original 240 stock carb on it. Is that carb jetted too smal...