TheAMCForum.com Homepage
Forum Home Forum Home > The Garage > AMC V8 Engine Repair and Modifications
  New Posts New Posts RSS Feed - New EFI Intake Manifold
  FAQ FAQ  Forum Search   Events   Register Register  Login Login

Click for TheAMCForum Rules / Click for PDF version of Forum Rules
Your donations help keep this valuable resource free and growing. Thank you.

New EFI Intake Manifold

 Post Reply Post Reply Page  <1234 46>
Author
Message
 Rating: Topic Rating: 1 Votes, Average 5.00  Topic Search Topic Search  Topic Options Topic Options
WesternRed View Drop Down
AMC Addicted
AMC Addicted
Avatar

Joined: Aug/03/2010
Location: Australia
Status: Offline
Points: 3942
Post Options Post Options   Thanks (0) Thanks(0)   Quote WesternRed Quote  Post ReplyReply Direct Link To This Post Posted: Dec/04/2017 at 7:38pm
Seems they already have the Pro-flow EFI intake, so why not just make it a bit more readily available. Might give others like Fitech and Holley to offer AMC solutions at a better price point.

They seem to offer better intakes for other engines, but we are mostly stuck with 20-50 year old designs, I'm sure they would know what would work and sell best.
Back to Top
Red Devil View Drop Down
AMC Addicted
AMC Addicted


Joined: Jul/10/2007
Location: Canada
Status: Offline
Points: 1612
Post Options Post Options   Thanks (0) Thanks(0)   Quote Red Devil Quote  Post ReplyReply Direct Link To This Post Posted: Dec/04/2017 at 8:04pm
Not much for EFI, but maybe in the future?   My short list matches most others:
- 4150-style for universal-type throttle bodies or carburetor 
- injector ports to suit common injectors available in various flow ratings to suit wider range of power levels
- stock-type accessory mounts
- complete EFI kit, tunable like other aftermarket options, optional injector size 
- individual parts at reasonable, competitive prices (including bare, machined manifold) 
- common OEM sensors where suitable 
- kit to plug injector ports and unused sensor ports when fitting a carburetor (plugs can be removed later if fitting EFI) ... or offer less EFI machining (different part number) for carburetor use. 

Thanks, RD
Back to Top
pit crew View Drop Down
Supporter of TheAMCForum
Supporter of TheAMCForum
Avatar

Joined: Jul/08/2007
Location: NE Ohio
Status: Offline
Points: 4921
Post Options Post Options   Thanks (0) Thanks(0)   Quote pit crew Quote  Post ReplyReply Direct Link To This Post Posted: Dec/04/2017 at 9:13pm
Originally posted by THE MENACE THE MENACE wrote:

Originally posted by pit crew pit crew wrote:

At least two locations for temperature senders. One for the EFI ECU to use and one for a "gauge" on the dash.
Not sure what you are saying here Ken. Our current Pro-Flow EFI intake has a location for the OE sender (1/8" pipe) on the far left side front of the intake for a gauge. The EFI manifold also has as a location on the right side front for the EFI coolant temp sensor to be installed. What am I missing?

Dennis
I was not sure if this was going to be a clean sheet of paper design or not so I just want to throw that out there as more or less a reminder.

73 Hornet - 401EFI - THM400 - Twin Grip 20
Back to Top
RUMBLR View Drop Down
AMC Apprentice
AMC Apprentice
Avatar

Joined: Mar/03/2010
Location: South Australia
Status: Offline
Points: 118
Post Options Post Options   Thanks (0) Thanks(0)   Quote RUMBLR Quote  Post ReplyReply Direct Link To This Post Posted: Dec/05/2017 at 2:00am
Something like a holley hi ram - like they make for LS1.

Can run a single throttle body at the front, with a removable top to convert to tunnel ram.

https://www.holley.com/products/intakes/hi-ram_manifolds/parts/300-122

343 904 M20 - 11.83@115
Back to Top
DaemonForce View Drop Down
AMC Addicted
AMC Addicted
Avatar

Joined: Jul/05/2012
Location: Olympia, WA
Status: Offline
Points: 1072
Post Options Post Options   Thanks (0) Thanks(0)   Quote DaemonForce Quote  Post ReplyReply Direct Link To This Post Posted: Dec/05/2017 at 4:25am
Seeing as there is an array of existing products through them, Edelbrock should already have the complete universally agreeable answer to this question and that would most likely end their current line of carb'd AMC V8 manifolds to move everyone over to the next effective platform. In my case, an attempt to add MPFI to the AMC V8 would involve custom milling and the end product would be based on the Chrysler 4.7L system found under the hoods of G.Cherokees littering the yards. Yeah I can already hear the screaming and whining about how bad that idea is over all the mental gymnastics over alarm systems, body modules, emissions equipment, wiring and everything...Don't care. That is how I would make it happen and it would most likely involve a plenum for an 8-71 blower.
1971 Javelin SST
American 304 2v | FMX | AM20-3.31

1983 American Limited
Jeep 4(.7)L S-MPFI | 1982 NWC T-5M (4.03/.76) | Dana30IFS/35-2.72
Back to Top
WesternRed View Drop Down
AMC Addicted
AMC Addicted
Avatar

Joined: Aug/03/2010
Location: Australia
Status: Offline
Points: 3942
Post Options Post Options   Thanks (0) Thanks(0)   Quote WesternRed Quote  Post ReplyReply Direct Link To This Post Posted: Dec/05/2017 at 5:11am
Originally posted by RUMBLR RUMBLR wrote:

Something like a holley hi ram - like they make for LS1.

Can run a single throttle body at the front, with a removable top to convert to tunnel ram.

https://www.holley.com/products/intakes/hi-ram_manifolds/parts/300-122



I like your thinking, but I think is would limit the market somewhat. Probably better to stick with a more universal 4 barrel configuration, you can always put a nice 90 deg hat on top for a modern style throttle body. I can’t see much demand for dual 4 barrels either, since injection would allow you to run a pretty big throttle body without compromising too much on low RPM performance. I’d even suggest killing off some of their carby manifolds if the new one let you run a carby as well as injection. People would buy that to have the upgrade path available to them over being stuck with a carby forever.
Back to Top
jtsllc1 View Drop Down
AMC Addicted
AMC Addicted
Avatar

Joined: Sep/24/2013
Location: ORFORDVILLE WI
Status: Offline
Points: 982
Post Options Post Options   Thanks (0) Thanks(0)   Quote jtsllc1 Quote  Post ReplyReply Direct Link To This Post Posted: Dec/05/2017 at 7:44am
Originally posted by WesternRed WesternRed wrote:

Originally posted by RUMBLR RUMBLR wrote:

Something like a holley hi ram - like they make for LS1.

Can run a single throttle body at the front, with a removable top to convert to tunnel ram.

https://www.holley.com/products/intakes/hi-ram_manifolds/parts/300-122



I like your thinking, but I think is would limit the market somewhat. Probably better to stick with a more universal 4 barrel configuration, you can always put a nice 90 deg hat on top for a modern style throttle body. I can’t see much demand for dual 4 barrels either, since injection would allow you to run a pretty big throttle body without compromising too much on low RPM performance. I’d even suggest killing off some of their carby manifolds if the new one let you run a carby as well as injection. People would buy that to have the upgrade path available to them over being stuck with a carby forever.

I really doubt there will be a new manifold but a revised manifold based on an approved change.
Edelbrock wanted 25k just to make the changes on their existing EFI manifold for a 4150 flange.
I also would assume the changes have already been determined at this point.
You have to remember the common sense approach just does not apply only the corporate channel does. So keeping the changes subtle and beneficial is key to Edelbrock.

1) 4150 flange (Benefit: increased sales)
2) Water at the rear of the manifold also on the drivers side (Benefit: eliminates potential problems with the Edelbrock head)
3) Allowing manifold to be ordered with out the bungs machined (Benefit: increased sales)
4) Increased runner size (Benefit: none)
5) Leaving additional stock on the out side of the runner in order for the customer to increase runner size. (Benefit: none)
JTSLLC1
Back to Top
Buzzman72 View Drop Down
AMC Addicted
AMC Addicted
Avatar

Joined: Sep/15/2009
Location: Southern IN
Status: Offline
Points: 1706
Post Options Post Options   Thanks (0) Thanks(0)   Quote Buzzman72 Quote  Post ReplyReply Direct Link To This Post Posted: Dec/05/2017 at 2:23pm
The GM tuned port injection system may be the most widely produced fuel injection manifold system in the world. So why not an AMC lower intake that will accept GM-style upper TPI tubes? In fact, you could make a TPI-style lower intake to fit any manufacturer's block and heads, and make them to the specs that GM used for the upper intake. My idea's not rocket science. It's a proven system.

You can sell it as a full stand-alone EFI system. OR just sell the lower intake and fuel rails, and let the buyer "hot-rod" the system with the injectors and other pieces that best fits his/her plans.

And someone will likely then make adapters tor all manner of 2-barrel carbs, such as Weber side drafts, even downdraft deuces, as Vic Sr. did in the early days. Four carb V8s still look trick as heck. Just build the lower to fit the GM upper... can't get much simpler.

And that's what I would do. Not reinventing the wheel, just adapting it to fit multiple makes...including AMCs.
Buzzman72...void where prohibited, your mileage may vary, objects in mirror may be closer than they appear, and alcohol may intensify any side effects.
Back to Top
343sharpstick View Drop Down
AMC Nut
AMC Nut
Avatar

Joined: Mar/10/2010
Location: Wisconsin
Status: Online
Points: 416
Post Options Post Options   Thanks (0) Thanks(0)   Quote 343sharpstick Quote  Post ReplyReply Direct Link To This Post Posted: Dec/05/2017 at 3:22pm
Originally posted by Red Devil Red Devil wrote:

Not much for EFI, but maybe in the future?   My short list matches most others:
- 4150-style for universal-type throttle bodies or carburetor 
- injector ports to suit common injectors available in various flow ratings to suit wider range of power levels
- stock-type accessory mounts
- complete EFI kit, tunable like other aftermarket options, optional injector size 
- individual parts at reasonable, competitive prices (including bare, machined manifold) 
- common OEM sensors where suitable 
- kit to plug injector ports and unused sensor ports when fitting a carburetor (plugs can be removed later if fitting EFI) ... or offer less EFI machining (different part number) for carburetor use.<span style="font-size: 19px; line-height: 1.4;"> </span>

Thanks, RD


Some great ideas here, if there were a single-plain, air-gap manifold that could be used with a carb, OR MPFI with a commonly available throttle body, I'd order one today.
I'm one of few that would love a more elegant solution with a tunnel ram style efi intake with modern-style long runners, and a replaceable hats to accommodate dual carbs or a horizontal throttle-body. But I think that market would be very small.
Back to Top
farna View Drop Down
Supporter of TheAMCForum
Supporter of TheAMCForum
Avatar
Moderator Lost Dealership Project

Joined: Jul/08/2007
Location: South Carolina
Status: Offline
Points: 16530
Post Options Post Options   Thanks (0) Thanks(0)   Quote farna Quote  Post ReplyReply Direct Link To This Post Posted: Dec/05/2017 at 3:38pm
I like both the 4V 4150 flange and a 90 degree "hat" to adapt something like a Ford TB (what about DUAL TBs.. one in front, one in back!), and the GM TPI lower. TPI is old tech though, 85-92. Not so sure there would be much demand for that, though you could make different uppers for various carbs and throttle bodies. Don't think the TPI would be profitable enough. Instead of a 4150 flange there could be a larger opening with an adapter cover for different carb/TB applications, similar to what Clifford does with some of their six cylinder intakes (or used to...).
Frank Swygert
Back to Top
 Post Reply Post Reply Page  <1234 46>
  Share Topic   

Forum Jump Forum Permissions View Drop Down



This page was generated in 0.063 seconds.
All content of this site Copyright © 2018 TheAMCForum unless otherwise noted, all rights reserved.
PROBLEMS LOGGING IN or REGISTERING:
If you have problems logging in or registering, then please contact a Moderator or