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Offy DP, Summit carb, Y-pipe, F.I. exhaust manifolds and more for 240/300/4.9L

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1986F150Six

Offy DP, Summit carb, Y-pipe, F.I. exhaust manifolds and more for 240/300/4.9L

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https://fordsix.com/viewtopic.php?f=87&t=80412

Gary Lewis

Re: Offy DP, Summit carb, Y-pipe, F.I. exhaust manifolds and more for 240/300/4.9L

Administrator

A dual-plane intake for a 300 Six? Not sure I've seen one of those. What have I missed?

Gary, AKA "Gary fellow": Profile

Dad's: '81 F150 Ranger XLT 4x4: Down for restomod: Full-roller "stroked 351M" w/Trick Flow heads & intake, EEC-V SEFI/E4OD/3.50 gears w/Kevlar clutches
Blue: 2015 F150 Platinum 4x4 SuperCrew wearing Blue Jeans & sporting a 3.5L EB & Max Tow
Big Blue: 1985 F250HD 4x4: 460/ZF5/3.55's, D60 w/Ox locker & 10.25 Sterling/Trutrac, Blue Top & Borgeson, & EEC-V MAF/SEFI

1986F150Six

Re: Offy DP, Summit carb, Y-pipe, F.I. exhaust manifolds and more for 240/300/4.9L

Administrator

Gary Lewis wrote

A dual-plane intake for a 300 Six? Not sure I've seen one of those. What have I missed?

https://www.ebay.com/itm/Offy-Offenhauser-Ford-240-300-c-i-6-cylinder-manifold-low-end-torque-truck/293044040013?epid=810176503&hash=item443ac9314d:g:GVEAAOSw3ZtaR-Ls

Gary Lewis

Re: Offy DP, Summit carb, Y-pipe, F.I. exhaust manifolds and more for 240/300/4.9L

Administrator

Cool! Did I sleep through a discussion of that some time ago?

Gary, AKA "Gary fellow": Profile

1986F150Six

Re: Offy DP, Summit carb, Y-pipe, F.I. exhaust manifolds and more for 240/300/4.9L

Administrator

I do not know.

Ray Cecil

Re: Offy DP, Summit carb, Y-pipe, F.I. exhaust manifolds and more for 240/300/4.9L

In reply to this post by Gary Lewis

Gary Lewis wrote

A dual-plane intake for a 300 Six? Not sure I've seen one of those. What have I missed?

DUAL PORT, not dual plane. Theyve been available as long as ive been looking at them.

1988 F250 Supercab Longbed 7.3 IDI, C6, 1356, GEARVENDORS, 4.10 Sterling with autolocker

1986 F150 302, C6, 9" 2.75, Wood Flatbed

Gary Lewis

Re: Offy DP, Summit carb, Y-pipe, F.I. exhaust manifolds and more for 240/300/4.9L

Administrator

Ray Cecil wrote

DUAL PORT, not dual plane.

What's the difference? Looks like the two ports are on different, and dual, planes to me.

Gary, AKA "Gary fellow": Profile

Ray Cecil

Re: Offy DP, Summit carb, Y-pipe, F.I. exhaust manifolds and more for 240/300/4.9L

Offenhauser Dual Port intake manifolds feature completely separate runner systems for the primaries and secondaries for more power across the rpm range. A dual plane does not descriminate against primaries and secondaries as far as I know.

1988 F250 Supercab Longbed 7.3 IDI, C6, 1356, GEARVENDORS, 4.10 Sterling with autolocker

1986 F150 302, C6, 9" 2.75, Wood Flatbed

Gary Lewis

Re: Offy DP, Summit carb, Y-pipe, F.I. exhaust manifolds and more for 240/300/4.9L

Administrator

Oh, ok. I see what you are saying.

Gary, AKA "Gary fellow": Profile