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Zoomies or Headers

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    Distinguished Member David 519's Avatar
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    Default Zoomies or Headers

    Yea, I posted this over in the dyno section before I remembered this section.
    OK, I don't know crap about blown/injected engines except they go pretty fast and are louder than hell. Seems most guys running blown/injected engines opt for zoomies... Do headers really hurt the performance that much? Talking in the context of a 1200 HP bracket boat, not an all out TAF/TAH. There's a pic on top of page 94 in Wild V-Drives of a TR-5 with headers on a blown/injected deal.... I like that look so I'm just wondering if zoomies are necessary....

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    adjones419 Wet-n-Wild's Avatar
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    I'm sure there are some guys who will tell you that one makes more power than the other, but I'd say it doesn't matter in a bracket boat. You'll make plenty of power either way. Personally, I think blown alcohol sounds weird with headers and great with the zoomies.

    I'm glad to hear you're thinking about going blown. I've been running Nitrous for a few years and can't wait to go blown next year to get away from the stuff. You can put together a 600 cubic inch N/A piece and spin it 8500rpm's+ or you can make the same or more power with a 500 inch at 7500-8000rpm's with a blown alcohol piece that is easier to tune and will last longer.
    Adam
    Hallett 210

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    Senior Member KKernen's Avatar
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    Default Zoomies!

    My Gas boat has way more throttle response with zoomies.

    BIG difference once I put them on I did not want to take them off!

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    Distinguished Member David 519's Avatar
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    Quote Originally Posted by Wet-n-Wild View Post
    I'm sure there are some guys who will tell you that one makes more power than the other, but I'd say it doesn't matter in a bracket boat. You'll make plenty of power either way. Personally, I think blown alcohol sounds weird with headers and great with the zoomies.

    I'm glad to hear you're thinking about going blown. I've been running Nitrous for a few years and can't wait to go blown next year to get away from the stuff. You can put together a 600 cubic inch N/A piece and spin it 8500rpm's+ or you can make the same or more power with a 500 inch at 7500-8000rpm's with a blown alcohol piece that is easier to tune and will last longer.
    Had we not had the chance to run a blown deal, I doubt I'd ever consider it. Bob (48 Fiat), John (Morg), my dyno guy and a bunch of others have been telling me it's a lot easier and could be cheaper in the long run. But I was fairly convinced a N/A deal was the way to go for me.
    In the past, I've watched guys really struggle to get a base line and then be really inconsistant with blown boats. We didn't have much trouble hitting the number, the boat started easily and idled fairly smooth. Obviously, it helps to have top notch help with Tony and Joey making sure everything was right. I'll need a few more passes to get really consistant, but the fact they were able to get a boat that could easily go 7.60's settled down to 8's was encouraging.
    A bit premature to say for sure, but it looks like we may be in a blown boat from now on.... You gonna be in Phoenix?? Looks like we might be there.

  7. #5
    adjones419 Wet-n-Wild's Avatar
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    Quote Originally Posted by David 519 View Post
    Had we not had the chance to run a blown deal, I doubt I'd ever consider it. Bob (48 Fiat), John (Morg), my dyno guy and a bunch of others have been telling me it's a lot easier and could be cheaper in the long run. But I was fairly convinced a N/A deal was the way to go for me.
    In the past, I've watched guys really struggle to get a base line and then be really inconsistant with blown boats. We didn't have much trouble hitting the number, the boat started easily and idled fairly smooth. Obviously, it helps to have top notch help with Tony and Joey making sure everything was right. I'll need a few more passes to get really consistant, but the fact they were able to get a boat that could easily go 7.60's settled down to 8's was encouraging.
    A bit premature to say for sure, but it looks like we may be in a blown boat from now on.... You gonna be in Phoenix?? Looks like we might be there.
    The guys I've seen struggle around here go at it like they're killing snakes. Get one or two guys that you trust and listen to them. Don't go "pit hopping" and talk to a million guys to try to get a tune-up figured out. Have your fuel pump flowed so you know exactly what it puts out. From there, it gets pretty simple. With the Nitrous motor and MSD box, there were so many wires, switches, and chips it was unreal. In my mind, more variables = more things that can go wrong out on the rope. A blown motor with a magneto is pretty bulletproof, and I can't see anything else in the foreseeable future for me.

    I don't think we'll be in Phoenix. I have so much going on, it's getting ridiculous. I have to present my thesis at the AAG conference in Vegas in March, and then I'll defend it to the faculty here in April. Unfortunately, school will be my #1 priority until then, but I'll be out in full force next racing season. Best of luck to you and your crew, David!
    Adam
    Hallett 210

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    Gone
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    "The guys I've seen struggle around here go at it like they're killing snakes."

    Best laugh that I have had for a long time. LOL

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    Senior Member Morg's Avatar
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    David,

    Great to hear about your weekend at Ming.

    BTW- we were running the boat at Woodward on Saturday. It makes amazing power with the headers. I will probably put zoomies on the boat at some point, I need down force at speed.....Seriously, I had a few issues at the big end.

    Oh & if they do make more power I will have to slow the blower down to take power away from it.......

    Remember I am running a used up 427. The parts are all machined & assembled properly, but they are all old parts left behind for the newest tricks. Nothing special. A 671 & enderle hat.

    I really thought with what you have been through & after your weekend at Ming, you would be starting a thread, "What the hell was I thinking"

    Not to be vain & quote myself after running the blower motor for the first time "I have been wasting my time all these years"

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    Highaboosta Unchained's Avatar
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    Quote Originally Posted by David 519 View Post
    are louder than hell. ...
    I agree

    Twin Turbo 1800 HP V-Drive lake boat

    http://s621.photobucket.com/albums/t...t=MAH05771.mp4

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    No one cares about your buddies old antiquated garden hose technology.
    Quote Originally Posted by MAXIMUS View Post
    I think I could run more boost but it's a real hand full right now

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    A-HOLE HICK Lifes Rough's Avatar
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    Jim at rewarder headers will tell you that zoomies are not needed, He built a set of headers for the Norm Grimes tuned dragster that Jack O, Bannon owned and was driven by Rick Santos and they had very good results. This is just an opinion of some guys that won five national titles but I do agree DON'T GO PIT HOPPING, That is certain disaster.

  12. #10
    "It's HONDO, honey" Kyle's Avatar
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    Quote Originally Posted by David 519 View Post
    Yea, I posted this over in the dyno section before I remembered this section.
    OK, I don't know crap about blown/injected engines except they go pretty fast and are louder than hell. Seems most guys running blown/injected engines opt for zoomies... Do headers really hurt the performance that much? Talking in the context of a 1200 HP bracket boat, not an all out TAF/TAH. There's a pic on top of page 94 in Wild V-Drives of a TR-5 with headers on a blown/injected deal.... I like that look so I'm just wondering if zoomies are necessary....
    Say you got a set on OT pipes. In theory your suppose to cut them where you just see unblued chrome, if your runing them dry. Back in the day sand drag jeeps would but on a set of hookers rattle can the whole header and where the paint didn't burn off they cut them right there. Now you figure thats where the exhaust is at a equilibrium state big word. Zoomies i think are too short which your no longer at equilibrilum but yet the gas is flowing out of the tube so fast it's creating a vacum for the up coming gas. Long OT would push the gas out, zoomies suck it(not literally), and OT cut pipes work just fine.

    Blah, blah blah,
    I got zoomies on a hydro, and cut OT's on the jet
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  13. #11
    "It's HONDO, honey" Kyle's Avatar
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    Quote Originally Posted by Unchained View Post
    I agree
    I agree with your agree . phuckin really loud, 8200rpm sounds like a 50 cal's chasing you and hell it finally caught up to you and now it's in the back seat
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  14. #12
    Distinguished Member David 519's Avatar
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    Quote Originally Posted by Morg View Post
    David,

    .....I really thought with what you have been through & after your weekend at Ming, you would be starting a thread, "What the hell was I thinking"

    Being kinda old school, I went with what I knew.
    I do get your point now but I gotta say, you lost all credibility when you told me "I have more power than I need". Say WHAT!!! Personally, I've never met a horsepower I didn't like

    JK, dude, you and a cast of dozens were right. Bottom line is I can't afford the HP I want going N/A. Look for one of those belt driven tunnel rams on our deal next year....
    Quote Originally Posted by gn7 View Post
    ....... David 519 is 100% correct........

    Quote Originally Posted by fuelinmyveins82 View Post
    .....I think people forget that racing is supposed to fun. Losing shouldn't be discouraging it should motivate you work on your pile to make it faster.....

  15. #13
    Senior Member Morg's Avatar
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    Quote Originally Posted by David 519 View Post
    Being kinda old school, I went with what I knew.
    I do get your point now but I gotta say, you lost all credibility when you told me "I have more power than I need". Say WHAT!!! Personally, I've never met a horsepower I didn't like
    Until I get my set up closer on my boat, I have to much HP. Believe me it is a new concept for me also.

    Oh, btw, if you are going to run injected alky everything you need to know on how to tune & run a blown alky motor is in the forced induction forum.

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    Quote Originally Posted by David 519 View Post
    Yea, I posted this over in the dyno section before I remembered this section.
    OK, I don't know crap about blown/injected engines except they go pretty fast and are louder than hell. Seems most guys running blown/injected engines opt for zoomies... Do headers really hurt the performance that much? Talking in the context of a 1200 HP bracket boat, not an all out TAF/TAH. There's a pic on top of page 94 in Wild V-Drives of a TR-5 with headers on a blown/injected deal.... I like that look so I'm just wondering if zoomies are necessary....

    those are short headers, 2 1/2 " tubes with 5" collectors. Have a sound of their own. I have the 2 1/2" zoomies also but prefer the looks and sound of the headers. I guess if I was a racer I might think different but for what I do I can't tell the diff.

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