Dynoed the Firebird and put on a new 750 carb!

[Darren]

I agree a 4" cowl hood would look bad ass!

[kingofhill21]

Is the 4" legal on the road?

[Darren]

I think so, I see them all the time around here but just because I see them doenst make them legal... I am sure someone with a little more knowledge will time in but I dont see why not...

[bri2203]

Is the 4" legal on the road?

Doesn't your firebird already have a functional ram air hood?? Do you want cooler air? or do you like the looks of a cowl hood? If you want cooler air, there are many other ways to find cool air.

Personally I don't care for cowl hoods much bigger than 2-2.5 inches inless your running low 11s or better. Personally I feel kinda silling have a cowl hood on my chevelle that has a small block. In the future I want to make a heat extracting hood to lower the pressure in the engine compartment. I really wanto to add function vents to the fenders/doors but it my car didn't need any more set backs.

[csmith4153]

Is the 4" legal on the road?

I havnt had any issue with my car.

[kingofhill21]

Doesn't your firebird already have a functional ram air hood?? Do you want cooler air? or do you like the looks of a cowl hood? If you want cooler air, there are many other ways to find cool air.

Personally I don't care for cowl hoods much bigger than 2-2.5 inches inless your running low 11s or better. Personally I feel kinda silling have a cowl hood on my chevelle that has a small block. In the future I want to make a heat extracting hood to lower the pressure in the engine compartment. I really wanto to add function vents to the fenders/doors but it my car didn't need any more set backs.

There is nothing functional about the hood that is on my car now! Its just a trans am replica hood that is not functional! Now a cowl would benefit me in many ways, like for example, i could run a 2" spacer which would give me more hp in the end. Right now with the 1" spacer and the wrap around air filter barely fits under the hood on the 750 crm carb.

[kingofhill21]

I havnt had any issue with my car.

Nice! is yours a light fiberglass or a heavier fiber glass i was going to ask you in a pm!

[bri2203]

There is nothing functional about the hood that is on my car now! Its just a trans am replica hood that is not functional! Now a cowl would benefit me in many ways, like for example, i could run a 2" spacer which would give me more hp in the end. Right now with the 1" spacer and the wrap around air filter barely fits under the hood on the 750 crm carb.

Make it functional! Everyone has a cowl hood, shoot even pick up trucks have cowl hoods. In my opnion the ram air feature on Pontiacs and Oldsmobiles W-30 were some of the neatest hoods GM made.

Not to sound like an ass but an inch more on the carb isn't going to make much of a difference power wise.

[tenpin842]

I still like the hood that is on there now.
I really don't think it's worth it.

[kingofhill21]

Make it functional! Everyone has a cowl hood, shoot even pick up trucks have cowl hoods. In my opnion the ram air feature on Pontiacs and Oldsmobiles W-30 were some of the neatest hoods GM made.

Not to sound like an ass but an inch more on the carb isn't going to make much of a difference power wise.

Hum! Dont get me wrong i love the looks of the current hood! Are there hoods like the one i have that are functional? Say like air travels through the hoods scoops and has an opening right above the carb?

[69LT1Bird]

Get it to the strip to see what it will do. That's what really matters.

[kingofhill21]

Get it to the strip to see what it will do. That's what really matters.

Well it did a 13.6 with the 600cfm carb spinning half way down the track if that helps any. I did just put the 750 on it!

[69LT1Bird]

what was the mph?

[kingofhill21]

what was the mph?

I have no clue ask Tempin82 i bought it from his brother n law! Notice you have a 1969 firebird what does yours put on for rwhp and rwtq?

[bri2203]

Hum! Dont get me wrong i love the looks of the current hood! Are there hoods like the one i have that are functional? Say like air travels through the hoods scoops and has an opening right above the carb?

The 1969 Trans Am had functional hood scoops. But I have no idea if they are being reproduced.

Well it did a 13.6 with the 600cfm carb spinning half way down the track if that helps any. I did just put the 750 on it!

Those are good numbers.