302 boss

[Mercracer]

Price Motorsport Engineering

[Southern_Pride]

Next question, Can I put a 4V intake on a set of 2V heads?

[Fordman75]

Yes you can use a 4v intake with 2 barrel heads. But not a factory cleveland 4 barrel intake.

[Mercracer]

Yes you can use a 4v intake with 2 barrel heads. But not a factory cleveland 4 barrel intake.

Oh yes....... you can put a factory 4V Cleveland intake on a 351 Cleveland with 2V heads.

[Fordman75]

It will bolt on but it will perform like crap due to the miss match in port sizes.

[Mercracer]

It will bolt on but it will perform like crap due to the miss match in port sizes.

It will run fine.... It will not be optimum, but it will perform much better than a 2V carb.

[Fairmont Kevin]

But you're doing it on a 302, so no 351-based intake will work.

[Southern_Pride]

But all the 302 boss motors had 4V heads. I use 2V heads and a factory boss intake I wanna make sure its gonna bolt together.

[Fairmont Kevin]

Oh, OK. You've got a factory Boss 302 intake laying around? In that case, I havevery little useful input.

The company mentioned a few posts back, http://www.pricemotorsport.com/ does not seem to list a solution to your problem on their web page, but I bet they know the answer.

IMHO, the value of this project is strictly "doing something different." If you have all these Boss parts around, you could sell them and buy modern parts that will outperform the Boss stuff in every category, and would be a direct bolt-on too.

[Fordman75]

There is no need to use an expensive factory boss intake. If you buy the adapters you can use any aftermarket 302 intake with the Cleveland heads. And it will perform better. The Boss intake has such large ports that the port velocity will be lower then a standard 302 aftermarket intake. You combine that with the much smaller port of the 2V Cleveland head and the airflow will be even worse due to the large step the airflow will have to take.

Pick up a cheap aftermarket intake for a standard 302, Buy the adapters, and pick up a pair of 2V cleveland heads. The adapters will give you a smooth transition from the intake to the heads and you'll get much better performance then you would with the Boss intake.

[Fairmont Kevin]

You're referring to a 4V as just any 4 barrel 302 intake, not a 351 4V intake. I get it. I should go to bed now and quit being stupid...

[Mercracer]

But all the 302 boss motors had 4V heads. I use 2V heads and a factory boss intake I wanna make sure its gonna bolt together.

I was speaking hypothetically based on the nay sayers' posts. A factory Boss 302 intake will bolt onto any 302 block with Cleveland 2V heads with no problems. The missmatch in port size creates a less than ideal situation, but it will run fine. I do not recommend this as a first choice. It is hard to find a Boss 302 intake for less than $200, and often they are closer to $300. Price Motorsport offers you the best solution for using 2V Cleveland heads on a 302. Only one company is making/selling (Bush Performance) Clevor intakes right now, and the selection is very small. Get the PMI adapters and use a standard 302 intake of your choice.

[Fordman75]

I AM The nay sayer!! :asshat:

You can bolt a Edelbrock SuperVictor intake onto a standard 302 too but it doesn't mean it's going to run good on the street!

[Mercracer]

You can bolt a Edelbrock SuperVictor intake onto a standard 302 too but it doesn't mean it's going to run good on the street!

Apples and oranges............ A high rise single plane intake will run like crap on the street due to its design, not just because of a port missmatch. A factory Boss 302 is an awesome dual plane street intake! It will run fine. You will most likely not get optimum horsepower from the engine because of the port missmatch, but you will get a smooth idle and considerably more power than a 2V carb intake with 2V ports.
Ford's own performance manual from the early 70's recomments using the Cleveland 4V intake on a Cleveland 2V engine for a 30+ HP boost.
You are making a wrong assumption.

[Fordman75]

Yes it may work fine on a 351, not optimum, but it may work. But on a 302 the Boss' intake plenum/runner volume is just too large. It may idle fine but the throttle response will just not be as good as you'd have with an standard aftermarket 302 intake. Top end would be great(if you blended the ports on the heads for a smooth transition ) but the low end it going to be a little soggy. Just like with a Boss 302 only not quite as bad.