I picked up an Edelbrock Performer intake this past week for my 351c 2v, the guy assures me this intake is for 2v heads . The thing is the intake says 351 4v cast into it. He says its for the four barrel carb you put onto it, and it will fit 2v heads . In fact he claims he used it on a 2v engine.. Doesnt the intake for 2v heads have 351 2v cast into it. Should I bring this manifold back to him and tell him to shove it, and get my $$ back
I cant find a clear pic on the web of a 2v Performer intake. Could someone take a look at theirs and tell me who's right...

 

Sounds like a 4V intake. The port sizes are about 2/3s the size of the 4V port. It's very close to the regular 2V but I don't know how it would line up with a 2V head. Hold a 2V intake gasket up to the ports and line up the bolt holes. That should tell you how far off you are.

351C Intake Manifold Selection Guide
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This list provided by Dan Jones via the DeTomaso Email Forum:
In no particular order, here's a list of intakes for the 351 C:
Ford Boss 351 intake (p/n Dl Zx-9425-DA)
- low rise dual plane with Holley carb bolt pattern
Edelbrock Performer 351 4V (P/N 2665)
- low rise dual plane with Holley carb bolt pattern
Edelbrock F-351
- low rise dual plane with Holley carb bolt pattern
- obsolete, replaced by Performer 351 4V
- runner ports are smaller than intake ports for increased velocity
Edelbrock Performer 351 2V (PIN 2750)
- low rise dual plane with Holley carb bolt pattern
Ed elb rock Torker 351 (PIN 2760)
- high rise single plane with Holley carb bolt pattern
Edelbrock Victor 351 AH-lI (PIN 2990)
- air gap high rise single plane with Holley carb bolt pattern
- for raised port aluminum SVO heads (C302) on 9.2" deck height Cleveland and SVO blocks
- requires Windsor style water passages in heads
- waterneck section cast into manifold
Edelb rock Victor GN 351 -Y (2960)
- air gap high rise single plane with Holley carb bolt pattern
- for raised port aluminum SVO heads (Yates) on 9.2" deck height Cleveland and SVO blocks
designed for NASCAR Busch Series and Winston Cup engines (approved by NASCAR for Busch Series, Super Truck Series and Winston Cup)
no waterneck provisions in manifold.
Edelbrock Victor 351 -Y (2991)
- air gap high rise single plane with Holley carb bolt pattern
- for raised port aluminum SVO heads (Yates) on 9.2" deck height Cleveland and SVO blocks
- designed for circle track racing applications
- no waterneck provisions in manifold
Offenhauser Dual Port 351C-4V (6013-DP)
- dual port design (runners split into top and bottom sections, plenum split fore and aft, primaries feed longer path lower runners, secondaries feed shorter path upper runners), Holley carb bolt pattern
Offenhauser Dual Port 351C-4V (6014-DP)
- dual port design (runners split into top and bottom sections, plenum split fore and aft, primaries feed longer path lower runners, secondaries

feed shorter path upper runners), spread bore bolt pattern
Offenhauser Dual Port 351 C-2V (6011 -DP)
- dual port design (runners split into top and bottom sections, plenum split fore and aft, primaries feed longer path lower runners, secondaries feed shorter path upper runners), Holley carb bolt pattern
Offenhauser Dual Port 351 C-2V (601 2-DP or is it 6111 -DP)
- dual port design (runners split into top and bottom sections, plenum split fore and aft, primaries feed longer path lower runners, secondaries feed shorter path upper runners), spread bore bolt pattern
Offenhauser Turbo Thrust 351C
- tunnel ram with various tops
- part number: 5935 base, 5936 single quad top, 5938 dual quad top, 5993 single spreadbore top, 5937 Holley single Dominator top, 5983 3 Weber IDA top, 6102 special low volume single quad (Holley or spread bore) top
Oflenhauser Port-O-Sonic 351C-4V (6120)
- high rise single plane with Holley carb bolt pattern
Offenhauser Port-O-Sonic 351 C-4V (6121)
- high rise single plane with spread bore carb bolt pattern
Offenha user Port-O-Sonic 351 C-2V (6122)
- high rise single plane with Holley carb bolt pattern
Offenhauser Port-O-Sonic 351C-2V (6123)
- high rise single plane with spread bore carb bolt pattern
Offenhauser 360 Equa- Flow 351 C-4V (5964)
- high rise single plane with Holley carb bolt pattern
- short runner design with split plenum (side-to-side), plenum divider cut down and/or windowed
Offenhauser 360 Equa-Flow 351 C-4V (5966)
- high rise single plane with Holley Dominator carb bolt pattern
- short runner design with split plenum (side-to-side), plenum divider cut down and/or windowed
Offenhauser 360 "Single Quad rajet High Rise" 351 C-4V (5965)
- high rise single plane with spread bore carb bolt pattern
- probably same as Equa-Flow
Offenhauser Dial-A-Flow 351C-4V (6127)
- high rise single plane with Holley Dominator carb bolt pattern
- has interchangeable "turtles" to adjust plenum volume and floor shape
Offenhauser Dial-A-Flow 351C-2V (6128)
- high rise single plane with Holley Dominator carb bolt pattern
- has interchangeable "turtles" to adjust plenum volume and floor shape
Weiand X-Celerator 351 V-4V (7517)
- low rise single plane with Holley carb bolt pattern

Weiand X-Celerator 351 V-2V (7516)
- low rise single plane with Holley carb bolt pattern
Weiand Hi-Ram 351 C-4V dual Holley tunnel ram
- tunnel ram for dual Holleys
- p/n 1996 for '660' carbs
- p/n 2994 for Dominators
Holley Street Dominator 351 C-2V (300-12)
- low rise open plenum single plane with Holley (?)carb bolt pattern
- universal fit for both 2V and 4V heads
Holley Strip Dominator 351 C-4V (300-13)
- high rise air gap open plenum single plane with Holley carb bolt pattern
FPP 4145 (mfg by Blue Thunder) 351 C-4V (p/n 4145)
- high rise dual plane with Holley carb bolt pattern
FPP 4145B (mfg by Blue Thunder) 351C-4V (p/n 4145B)
- high rise dual plane with Holley carb bolt pattern
- same as FPP 4145 except the heat risers are blocked, the plenum divider is cut down one inch and the carb flange enlarged
FPP 4146 (mfg by Blue Thunder) 351 C-4V (p/n 4146)
- high rise dual plane with Holley carb bolt pattern
- same as FPP 4145 except the carb flange is machined for a Holley Dominator carb (1050 CFM)
Notes:
- Ford SVO markets various Edelbrock intakes under different p/n's.
- Still need info on:
factory Ford intakes (HO, CJ, etc) Australian Cleveland intakes Inglese Weber intake Hall Pantera Weber intake Ford intake for Autolite inline carbs 3x2 bbl intakes
Rousch racing intakes Bud Moore racing intakes supercharger intakes

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I would say it's a 4 Bbl carb 2V intake .. .. if the ports are about 1" wide and 2 " long then it's a 2V .. if the ports are 1.75" wide and 2.250" long then it's a 4V intake.

 

Thanks for the info guys, After a little cleaning, I found the part number on the bottom of the intake 2665 Edelbrock page says this is an intake for 4V heads. I guess I'm sending it back, unless someone here needs it?