OK yall I need some help. I am gonna get a new hood for the racecar this winter. The plan is to have WS build it with the hood scoop. What I would like is opinions as to which scoop actually works the best. This is for the racecar, so looks aren't "really" an issue(although do matter,lol). I will worry about "looks" with the street car. You can't race your ride car, and you can't ride your racecar. So I am not gonna try. Does anyone out there have any real info in regards to scoop function?? As of now I am thinking about a cowl, sealed to the hood of course. But I have looked at the Aero(??)scoops too. Need some opinions here. Any and All help would be appreciated. later........................
Dave if you decide on an open front (not a cowl type) be sure you are at least 4" above the hood so to catch clean air, otherwise the nose of the car will deflect the forced air over the opening. Rick Martinez
A proper functioning front intake scoop will do more for performance than a cowl scoop on a naturally aspirated engine. A cowl type scoop will not force air in at high speed to lean out the mixture for increased upper rpm power. Remember rich is quick and lean is fast. A fat mixture (to an extent) is quicker for low rpm acceleration. A lean mixture (to an extent) will give more upper rpm power and pull more MPH at the top end. If using a front inlet scoop use a diffuser screen to break up the air before it gets to the carb or you may lose power with this type of scoop. I feel a cowl scoop may be better for consistancy as wind speeds and weather conditions may be minimized by pulling air instead of forcing it and also help with breaking the wind. Either scoop will show improvement over a flat hood if set up properly. I like the looks of a cowl better but like the performance of a pro scoop more. Rick is right about the scoop entrance being important, a low scoop will work but the entry has to be toward the front of the hood before the air gets deflected above it, a taller scoop can be mounted further back and still work.
Thanks Guys, I appreciate it. My plan is to go with what "works" !!! That is the plan. If a front opening scoop is it, and I am thinking it probably is, that is what I will use. Question: Is the 4" height measurement that was mentioned a baseline or what ? Meaning, does this hold true for all the body styles. I know Ricks is a 70-72 style. Mine is a 64/5 model. Am I gonna see any difference because of this. Also I am assuming that the 4" measurement is from the bottom of the opening. Correct ? And......How big a role is the scoop opening. Obvious simple logic says bigger is better. Using, for example, pro stock cars and scoops. IHRA has the mountain motors with those HUGE opeings in them. NHRA has the 500" motor with the more common Aero opening. I have no "real" problem with either I guess, just wondering. In my case, with substantially less h.p., will this actually play a factor in my scoops performance ? I would hate to put on a aero scoop only to find out later that I "could have" improved by adding the bigger one. Rick , didn't you just add one of the real big opening(I can't remember the specific name) scoops to your car ? What, if I may ask, was the reasoning behind using that as opposed to using the more traditional aero ? Anyways...........Thanks again for the input guys I DO appreciate it. Sorry for all the questions but if I am gonna do this, I need to do my homework and get it right the first time. I can't afford to go building more motor so I have to use, or try and use, every trick I can to get faster. For me, ultimate "goal"..........Super Street. 10.90 index and hit the tree. Not real sure why but I just like the class. Mufflers and all,lol. I have crewed a national event with a alcohol dragster. Now I wanna compete at one as a driver. Mainly for the experience I guess, and to kill off a childhood dream before I am outa time.......................... later...............................
I was thinking of running 10.90 Super Street but saw that most cars are 8 or 9 sec cars slowed with mid track controllers. Also, they leave alot harder that a true 10.90 car. It's a shame, I was going to run full interior and exhaust and be street legal but that's not where the class is at. Bruce
Bruce, I see your point on this, I do. But the way I have it figured....... 1- I am going for the "participation rush". I was there, entered, and competed with some of the best sportsman racers in the area and perhaps nation(pending on the event), 2- In something like this, most racers will tell ya, a big part of even advancing a round is, in no small part, luck ! "If" I could get lucky one time.........who knows. The index is set. I know that to be competetive in the class and race for points, you have to basically be a 9.90 car minimum. The mph's that these guys are running sometimes is crazy. Thats not what I'm after, I don't have the coin to do that. BUT, I have bracket raced before, and the idea is to be fast at the tree, and run the number right on. I have seen it happen with a buddy before even at our local brackets. He was faster than the other guys finger(delay box car) and ran closer to his number, so he won. To me this is just bracket racing......I have my dial that I have to hit, and I have to leave on time. My thinking is, if I do my job, I have just as good a shot as the next guy to win. Who cares how fast he's going when he catches me ? I don't, as long as I run a .90 with say a 1 and I have a .01 light (haha). Ya just never know. But like I said, I want to go for the experience. Thats all....... When I go, and I WILL, My car will have the interior in it too. Just for the shock factor if nothing else. I have to quiet the car down and still make it run the number(got the x-pipe now and getting exhaust on it), and I have to lighten it up to even get close to the 10.90 index. I have some work to do I know, hell I have ALOT of work to do. I have a full .5 that I have to find to get there yet. The 3-400 lb. diet is gonna take care of some of that I hope, but I still need to use all the "tricks" I can to get all I can outa the car. Thus the scoop info request. Figured I may as well ask some guys that have "been there done that" if you know what I mean ? Anyways, thanks for the input and your opinion. I appreciate it. Hopefully someday I will be able to give you something to shoot for just by my going. Don't give up, I just have a feeling it could be done. So whats your opinion on the scoop by the way ? I'm gonna buy myself a hood before next summer,hopefully,with the scoop molded in. You got some ideas to toss out ? I am all ears,lol :TU: . What do you think would work best ? later.......................... edit: I just noticed that this has like 180 views on it, does anyone else have a comment ? I am serious about listening to suggestions here, what works guys ? .............D.
Why a scoop? Dave: Why do you have to have a scoop? Why not an air cleaner with some ducting? You can still get the cool pressurized air, without the ugly bump? I have heard the same things about these systems we have all heard about the scoop, and the NASCAR boys run plenty fast without scoops. They use cowl induction. Something to think about. Jim
Hey Jim, Whats up man ? I am gonna have to have something on the hood anyways. I just don't have the room for a flat hood. If I did, I wouldn't have even asked, I woulda ordered a flat hood and had the ducting on already. I just don't think I can make it work man. May have to, "again", have another look though. later.....................
Running at 200+ MPH I'd rather have a cowl induction, too. (better for aerodynamics) But for accelerating to 200 mph (pro stock) they use forward facing scoops. Bruce
Hey Dave, I think it would look cool to see your 64/5(?) with a Stage 2 scoop!:Brow: I hear they proven themselves WELL! I'd hate to hear about you using a generic-style "pro-stock" scoop, although I can think of much worse than those even!ou: Who are you having do your hood? Anyways, I hear you screaming on hood clearance..:gt:
Jeff, Yea the hood on the car with the 455", Wildcat intake, and racedemon carb. just eliminates the flat hood option. Clearence is an issue. I may be able to build a "big time" drop base and make it close if I shimmed up the hood, but really, Why ? This is a racecar. If it were to go on the street ever then maybe. But to me it's just a racecar. As far as the stg.2 scoop goes, yea it's kool and has proven itself. But to me its more of a 70 ish' thing ya know. The car came with a 6-pack scoop on the car and I have gotten plenty of compliments on it. Even to the point that I have been told it "looks" like a blown up, oversized stg. 2. The only issue in regards to it is the huge hole it puts in the hood. I tried to seal it up and OH BOY ou: what a pan I had to have there to cover it up. Which ever scoop I go with will be of the more narrow design. I think most are in the 14" to 17" width zones(can't remember for sure, and the 6-pack is in the 28"range). And from the posts above I have to get the bottom of the opening up off the hood, and be big enough to make it work right. As of now the openings I have are right at 1"-2"s. At speed I just can't see it working up to it's top potential. So.............I will be going up with a 7" Aero and sealing, or I will be putting on about a 6" outlaw cowl and sealing. Just don't know o No: As far as to "who" will be building it for me, NO QUESTION for me. WS will do it when I decided. Doug Hecker pointed me there, and they ARE doing doors and fenders for the 65's now. If someone is gonna go "that" far in regards to building parts for a "not that popular" 64'/5' Buick, they are getting my business FOR SURE !! Thanks for the interest and opinion I appreciate it. And thanks for the "bump" in the thread. Maybe this will boost some of the "experts" out there to lend me their opinions on the subject too. I haven't decided for sure which way I am going yet so any input is still greatly appreciated . C-Yaaaaaaaaaaaaaaaaaa
Dave Checkout Harwood part # HRD-3160...........I saw one on a 68/9 Dodge Coronet Super Stocker and I thought it looked good on that ''old'' car. If I were looking for a forward facing scoop that would be it! ps It's pictured in the Summit catalog if you have one handy or look up Harwood for a website.
I made a pass last weekend without my scoop sealed to the hood. Left it on the trailer! MPH was exactly the same thought ET was slower w/o the scoop. Kinda the opposite from what I expected.....10.05 at 132 vs 9.98 at 132 Note: this was a cold day (45-50 degrees) Bruce
