GMCforum
For enthusiast of the Classic GMC Motorhome built from 1973 to 1978. A web-based mirror of the GMCnet mailing list.
Home » Public Forums » GMCnet » Re: [GMCnet] EFI vs Carb
Re: [GMCnet] UPDATE Re: EFI vs Carb [message #326443 is a reply to message #326441] Tue, 28 November 2017 14:25 Go to previous messageGo to previous message
Mr ERFisher is currently offline  Mr ERFisher   United States
Messages: 7117
Registered: August 2005
Karma:
Senior Member
On Tue, Nov 28, 2017 at 10:10 AM Mike wrote:

> UPDATE... still on the proverbial fence.


Makes me wonder also
I have 3 gmc
2 w howel one Atomic
So why did our big guns sell all their gmc less than a year after they went
fi ??? (Work and Minnie )
I just dunno

>
> Considered EFI, asked on the forum about opinions for and against.
> Received several opinions and decided that before I made my final decision
> I would
> speak with Dick Paterson.
>
> Excellent conversation with Dick lead me to lean heavily in favor of Carb
> rebuild with distributor re-curve etc. Then after doing more research and
> talking with a few others that have experience with EFI systems I decided
> to order the Fitech Go Street EFI with the FCC (fuel command center).
>
> After reading a blog from a member of this forum regarding his install of
> the Fitech EFI (I read it after I ordered and received my EFI) I began to
> question the need for the FCC as I was hoping for possible relief from
> vapor-lock as well as peace of mind & efficiency.
>
> Decided I would move forward with the EFI but not include the FCC in my
> install and go with a new mechanical fuel pump with the return port, which I
> do not have on my current pump. My thinking, along with the assistance of
> a friend who is assisting me with this project, was that I could do a few
> more things to reduce vapor-lock issues by wrapping heat shielding sleeve
> around my fuel lines and fuel filter and run some new hard fuel lines away
> from exposure to areas of direct heat where possible.
>
> Then when tasting the fitment of the new EFI throttle body and the
> existing air breather it became evident that I would need to make some
> adjustments
> to make everything fit comfortably under the hatch. (I do not want to
> raise the hatch above the floor line)
>
> As a side note, when you read that these systems are a direct fit - bolt
> on system, the system might fit but the accessories you require will
> probably
> need modification. This system requires a fair bit of playing with and
> adjusting to make things fit properly.
>
> When it became obvious that I would not be able to make the throttle body
> and existing air breather assembly fit without modifying the hatch and the
> assembly due to the fixed fuel return port on the EFI, I decided to
> re-consider the carb once again.
>
> Thinking this challenge through raised the option of a cold-air intake
> system with a ultra low profile air plenum / carb hat. This would allow for
> the
> EFI to mount on the intake while providing air from a cone style filter on
> the end of a snorkel positioned down in a area which will receive good air
> flow, while not interfering with the floor hatch.
>
> I can design and weld up a custom low profile air plenum which will fit
> but do I require a specific amount of space in the air plenum to make this
> all
> work, CFM?
>
> Will I need an MAF sensor? (I'm not sure if the Fitech has one built-in)
>
> Has anyone else experienced this and which air filter did you use?
>
> As always thanks for your experience and suggestions,
>
> Regards,
> Mike
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>
--
Gene Fisher -- 74-23,77PB/ore/ca
“Give a man a fish; you have fed him for today --- give him a URL and
-------
http://gmcmotorhome.info/
Alternator Protection Cable
http://gmcmotorhome.info/APC.html
_______________________________________________
GMCnet mailing list
Unsubscribe or Change List Options:
http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org

Report message to a moderator

[Message index]
 
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Previous Topic: Happy Birthday -Matt Colie
Next Topic: Daytona International Speedway
Goto Forum:
  


Current Time: Mon Jun 17 06:35:07 CDT 2024

Total time taken to generate the page: 0.00738 seconds
.:: Contact :: Home ::.

Powered by: FUDforum 3.1.1.
Copyright ©2001-2021 FUDforum Bulletin Board Software