Is Seafoam safe for Ford Speed-Density EFI system?

[STINEY]

Got the BigUglyBlueVan back together and put 200 miles on it with the "new" relocated TFI and loss of a bunch of smog stuff.

Got it down to 2 codes under KOEO. Code 67 will have to be cured before I can do KOER. But I digress...

It still felt somewhat sluggish. Slow to RPM even sitting in neutral. So I got to thinking about the PO and his driving habits (friends Dad). Poor thing probably never went over 2500 RPM its whole life.

So I gave it a redneck tuneup. Blasted down our road in second, took it to 85 and let it shift to third. A glance in the mirror showed that I reaped a 100 yard long fogbank for my efforts..

And now it free-revs much quicker/easier.

So normally I would run a couple quarts of water or seafoam through a carburated engine to clean all the carbon deposits out better.

Can I do that to this EFI system without hurting some sensor? Can I spray it right into the thottle body?

[min301]

Re: Is Seafoam safe for Ford Speed-Density EFI system?

It has been done, with good sucess.
It certainly wouldn't hurt, IMO.

[SpiderGearsMan]

Re: Is Seafoam safe for Ford Speed-Density EFI system?

run a good injector cleaner like BG [or GM injector upper engine cleaner] through the fuel rail , cleans out the combustion chamber too

[JeffMcKC]

Re: Is Seafoam safe for Ford Speed-Density EFI system?

get it warm suck it in a vac line let it set 30 fire it up and drive it

[STINEY]

Re: Is Seafoam safe for Ford Speed-Density EFI system?

Thanks guys - through a vacuum line it is then!

I'm learning about EFI. slowly but surely.

Now if I could just get rid of code 67...... >

[min301]

Re: Is Seafoam safe for Ford Speed-Density EFI system?

get it warm suck it in a vac line let it set 30 fire it up and drive it

Drive it hard! It should puff another good sized cloud after that...

[CTX-SLPR]

Re: Is Seafoam safe for Ford Speed-Density EFI system?

Run it up to freeway speed then down shift and engine brake on an off ramp, get back on the freeway and do it again and again still you stop looking like you have a blown head gasket. Don't run it in the garage after the seafoam!!!

[min301]

Re: Is Seafoam safe for Ford Speed-Density EFI system?

Might wanna replace the plugs afterwards, too.

[STINEY]

Re: Is Seafoam safe for Ford Speed-Density EFI system?

Might wanna replace the plugs afterwards, too.

AAGGGHHH!!! In a van?!! Have you no mercy man? :'( ;D

[milner351]

Re: Is Seafoam safe for Ford Speed-Density EFI system?

Might wanna replace the plugs afterwards, too.

AAGGGHHH!!! In a van?!! Have you no mercy man? :'( ;D

That right there is one of the biggest reasons I will always be a "pickup man" this homey don't work on no vans!
been there, hated it, learned the lesson, aint doin it again!

Good luck with it stiney! might want to put some marvel mystery oil in the fuel tank for a few tanks, that stuff is an amazing cleaner too.

[min301]

Re: Is Seafoam safe for Ford Speed-Density EFI system?

Bring it here, I'll do it.

[STINEY]

Re: Is Seafoam safe for Ford Speed-Density EFI system?

I will be going near you on the way to Silver Lake in a few weeks..... since you volunteered. ;)

[milner351]

Re: Is Seafoam safe for Ford Speed-Density EFI system?

Stiney - bring your stop watch and time him - I bet he could get into the guiness book for fastest plug change on a ford van.

[BOWTIE6872]

Re: Is Seafoam safe for Ford Speed-Density EFI system?

seafoam,
is this a parts store thing,,
I've heard of it.. but never used it..
was at napa last night , and no dice..
and I know the 305 in the monty SS could use this.. as the first owner drove it like grandma

[SpiderGearsMan]

Re: Is Seafoam safe for Ford Speed-Density EFI system?

mommy spiltt the last of my old skool top engine cleaner on the carpet
no more carpet