66' mustang

jnatj14 · Nov 28, 2007

Hello guys, looking for some advice, I have a 66' mustang with a 351W, it has a edelbrock 1406 carb 600cfm, 289 performer intake, I'm looking for a good camshaft and heads that will work well with the carb and intake, let me know what it will take to get to 300+ horsepower if its possible with the carb and intake I have?

SoCalCruising · Nov 28, 2007

Performer 289 intake doesn't fit a 351W. Please restate combo for advice.

enferno · Nov 28, 2007

maybe it's one of those 351w's with the WD-40 bottom ends and the KFC/IHOP 289-to-351w intake adapter. you know the one, made by NBA for the NOAA, which is a sublet of the CIA/Windsor.

NewStangOwnr · Nov 28, 2007

enferno said:
maybe it's one of those 351w's with the WD-40 bottom ends and the KFC/IHOP 289-to-351w intake adapter. you know the one, made by NBA for the NOAA, which is a sublet of the CIA/Windsor.

Sounds about right to me, but he needs the special blinker fluid made by PETA.

fasttback · Nov 28, 2007

jnatj14 said:
let me know what it will take to get to 300+ horsepower if its possible with the carb and intake I have?

The carb should be OK, but to get the 289 intake to work on the 351 you will need to get some schedule 40, 1.5" PVC piping at your local Home Depot, cut 8 pieces to fit the gap caused by the shorter intake runners. Secure the pieces with rubber cement (remember, let this dry overnight for good adhesion). The water ports can be extended by using flexible dishwasher hose and sealing it up with aquarium sealant (this sealant is preferred because it does not react with the different metals). The misalignment of the intake bolts can be fixed by purchasing special order titanium off-set bolts (usually just for imports, but with some searching you can find these online). To prevent junk from falling into the valley, lay down some Reynolds 2-ply heavy duty aluminum foil before installing the manifold (don't forget to punch holes in the foil to allow the motor to vent during high rpm driving).

Let us know how it turns out.

Cobain03 · Nov 29, 2007

you guys crack me up

jb1dsl · Nov 29, 2007

A great way to welcome a new member???

Vinyl66 · Nov 29, 2007

Once you have performed all the mods that fasttback has stated, then your air cleaner will be sitting too high. You must then find or fab up an air cleaner bypass kit.

Seriously though, welcome jnatj14! If your engine does have the Performer 289 intake then you have either a 289 or 302 engine. If you really do have a 351 then you do not have a Performer 289 intake. Let us know.

Shakin66 · Nov 29, 2007

Well he should feel like a very welcome complete idiot after those very crafty responses.....As expensive as heads are I would still suggest a good set of aftermarket ones, even if that means a used set off of ebay. This would allow that engine to pump more air and thats how you build power. Either way WELCOME TO STANGNET!

jnatj14 · Nov 30, 2007

Hey guys thanks for the warm welcome I'm sorry about the post I was confused myself, I was told it was a 351W but after reading this thread I decided to double check it and turns out its a 302 with the 289 performer and 600cfm, I was thinking about putting the 60329 heads and 2122 cam from edelbrock along with the carb and intake. Has anyone put together this combo. by the way I just recently purchase this vehicle should of done my homework before posting. If I would of known I was going to get this reception.. good to be part of this forum. Thanks guys.

fasttback · Nov 30, 2007

Sorry jnatj14 were just having fun. You were just a victim of some past bogus posts from new members looking for kicks.

There are a lot of knowledgeable people on this site that will help you out. The Edelbrock cam and head package may be something to look at (simple and easy to understand addition). If you want to go beyond that, stroker kits (331 or 347) can put you at 300+ HP easy. Give us more info on your motor, trans, rear end, preferred driving habits, and affordability...and we can recommend components to set you up.

Welcome to :SNSign:

brianj5600 · Nov 30, 2007

What are you looking for do with the car? What do you expect from it?

rbohm · Nov 30, 2007

fasttback said:
The carb should be OK, but to get the 289 intake to work on the 351 you will need to get some schedule 40, 1.5" PVC piping at your local Home Depot, cut 8 pieces to fit the gap caused by the shorter intake runners. Secure the pieces with rubber cement (remember, let this dry overnight for good adhesion). The water ports can be extended by using flexible dishwasher hose and sealing it up with aquarium sealant (this sealant is preferred because it does not react with the different metals). The misalignment of the intake bolts can be fixed by purchasing special order titanium off-set bolts (usually just for imports, but with some searching you can find these online). To prevent junk from falling into the valley, lay down some Reynolds 2-ply heavy duty aluminum foil before installing the manifold (don't forget to punch holes in the foil to allow the motor to vent during high rpm driving).

Let us know how it turns out.

how many times do i have to tell you, you cant use schedule 40 pvc. you HAVE to use schedule 80 pvc. remember this is a performance application, not grandma's fairlane.

jnatj14, start by making sure the short block is in good condition, otherwise you are throwing good money after bad. for a cam i am using a comp cams retrofit roller cam with .480lift and 260 advertised duration. for heads i recommend using the world products windsor jr heads, they will be a 40hp bolt on out of the box. for an intake the performer rpm or weiand stealth intake are the best ones for this application. i would use the 600cfm edelbrock carb that you already have. for headers i would use a set of tri-y headers. this mix of parts should allow you to reach your goal of 300hp, and be a very streetable engine. in fact it will be very similar to my 289 for my 66 coupe.

Rapid · Dec 1, 2007

jnatj14 said:
Hello guys, looking for some advice, I have a 66' mustang with a 351W, it has a edelbrock 1406 carb 600cfm, 289 performer intake, I'm looking for a good camshaft and heads that will work well with the carb and intake, let me know what it will take to get to 300+ horsepower if its possible with the carb and intake I have?

I have the Edelbrock 500CFM carb, Performer intake and Performer cam. Am about to buy heads. Mine is 289 so there is some difference. When I dynoed what I have at the rear wheels, in 4th at about 5300 RPM I got a little over 170 RWHP and about 214 Ft Lbs RWT at a little lower RPM. It was apparent that the 2.70 Diff is not letting the engine develop enough torque to turn the dyno well. SO, a change there is necessary as well. All that being said, go with RPM cam and heads to get the higher HP. I will probably see around 250 FW HP with the head and Diff upgrade (I hope) keeping the NON RPM components.

D.Hearne · Dec 1, 2007

jnatj14 said:
Hello guys, looking for some advice, I have a 66' mustang with a 351W, it has a edelbrock 1406 carb 600cfm, 289 performer intake, I'm looking for a good camshaft and heads that will work well with the carb and intake, let me know what it will take to get to 300+ horsepower if its possible with the carb and intake I have?

Before buying anything, figure out just what the engine is built of. What pistons, compression ratio, & crank stroke (could be either a 289 or 302)plus what cam is there to start with. To reach 300 hp, that intake will be the first thing to go. It's no better than the stock iron 289 intake was,it's only lighter. I ain't gonna comment on the carb, I'm a Holley guy.

danny clemens · Dec 1, 2007

rbohm said:
how many times do i have to tell you, you cant use schedule 40 pvc. you HAVE to use schedule 80 pvc. remember this is a performance application, not grandma's fairlane.

Yeah, but my grandma Fairlane had an R CODE 427 with 2 four bbl carbs. Do you think the schedule 40 would be OK for this application?

jnatj14 these guys (well most of them) are giving you good info so you'll be on the right track.

D.Hearne · Dec 1, 2007

The sch 40 would be fine as long as you confined it's use as velocity toobs for the carb throats. For this the optimum length would be 29.8" Topped with 4" long chrome extensions to dress em up a bit. Or powder coat the sch40 and skip the chrome extensions.

jnatj14 · Dec 1, 2007

I want to build a 300+ streetable mustang and I have a question hopefully someone can help me. I've located this casting number D1OE-6015-AA bottom by the starter and 1h557517 on the top part by the firewall does anyone know what year block that is. thanks.

danny clemens · Dec 1, 2007

The D1 would be a 1971 casting but possibly could have been cast later.

D.Hearne · Dec 1, 2007

Look for a number/letter/number combo next to the casting numbers you posted. They will be framed by what looks like a screwed in tag. That's the date code, the first number is the year of the 70's decade it was cast. The letter is the month (A thru M alphabetically starting with "A" for January, skipping the letter "I") Last number or numbers is the day of the month. 1H55 could be it, but instead of 55 it's 22. That would be August 22, 1971. Making it an early 1972 model year block.

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