I Want to do some mods to my 300 6 any ideas

Dylan Detlor

Asked by Nov 09, 2015 at 11:35 PM about the 1986 Ford F-150 XL Standard Cab 4WD LB

Question type: General

I'm planning on doing an overhaul on
this mighty beast and although I have
never built an inline before (only
302's,351w's and 350's) I am just
looking for some ideas on mild mods
while it is out of the truck I have
already got all the parts for the
overhaul as well as an exhaust header
, a 2bbl intake and a mild can kit from
comp cams, keep in mind this is a 4x4
I'm not looking to go fast but I would
like to pull a house out of the ground

4 Answers


Well, sounds like you already have the parts you need- you have a 2bbl carb too? so cool- in the '50s people used to hot rod the 6 cylinders and man, they got some serious power outta those things- sounds like you already have a source for parts I would just suggest taking extra care doing the engine work, don't cut any corners, you could even have the engine balanced by someone good- shop around and you can find someone to do the head really trick-

1 out of 1 people think this is helpful.
Dylan Detlor

Jegs makes a kit that comes with everything the header the intake gaskets and even a small holley 4bbl, I have really been doing "my homework" with this one just the sheer durability of the engine is what got me hooked in the 1st place

1 out of 1 people think this is helpful.

Depends on how much You want to spend. Go online and find a Offenhauser parts dealer and start from there.

1 out of 1 people think this is helpful.
Dylan Detlor

After researching the 300 six I have found that I can use a ford 240 head to put the squeeze to the block but now trying to find a 240 for the head is different story I also found that the 300 has a 4in bore and a 3.98 in stroke

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