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Originally posted by brad hibbard
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Hope that makes sense.
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Brad, the first gen bert had a more std type trans cluster shaft but the shaft was 2 pieces with the clutch made into it. When the clutch was locked the whole cluster shaft turned similar to a regular trans. The 2nd gen trans doesn't really have a cluster shaft persay (its there but really small just for reverse if IIRC) the chain drives that small cluster shaft only when in reverse. Instead of a clutch pack, it uses a band for low gear instead of the cluster shaft with a clutch pack.
Hope that makes sense. -
I believe that is the way the Brinn Predator is also. When in high gear, it only turns the input and output shaft and not the entire gear cluster like the original Brinn trans does hence free horsepower.Comment
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Thanks, that's the one ive been looking for. Someone awhile back, had posted that video!Originally posted by dirty white boy View PostComment
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its been posted in the street stock threads before a few times...other than over all weight and with a good light weight 5 or 7 inch clutch set up could work on a budget in right class, crates probably ant right class! maybe a limited late model tho'!white trash motorsportsComment
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Brad, whats the difference between 602 and 604 carburetors? We got a great deal on a new Stealth that came with our car. It came off a 604 but were gonna be using a 602.Comment
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If you are using the same fuel as what the carb was calibrated for--there won't be any issues with running it on your 602Originally posted by ZERO25 View Post
to answer your question more directly about the difference in builds------
it might be easier to start by explaining our focus with carburetors between the two engines.
the 602 with it's dual plane intake and relatively small intake valve has quite a bit of initial power so we tend to soften the early side of the carb.
The 604 needs all the help it can get at RPM's below 3500 so we typically focus hard on slow speed booster signal when used on a 604.
the above is general description ---we do our best to customize the build to each engine combined with the situation such as car type and type of racing.
That is why you cannot buy a carb directly from our website----we will always have a conversation about your situation before building the carburetor.
Think of this:
a pavement Late model
a big tire street stock on dirt @ 3200#'s
a 8" tire street sock on dirt @ 2800#'s
a dirt late model with 4 link and open tire
a dirt modified
a pavement modified
etc---etc--etc
all of the above and dozens more run 602 and 604 engines ---there is no way possible to have a carb that works best in all types of racing
fuel curve is relative to fuel type, altitude and weather not to the build/design of the carburetor
hope that helps
everyone stay healthy
God be with us all
Brad
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We made the decision to close the shop to the public and all workers except me are working from home or just taking time off
I will continue to answer the phone and emails while getting a few things done in the shop, but (for now) we are not permitting anyone to drop off or pick up engines.
This virus has to be taken seriously by all of us to be defeated.
I don't know what to actually say except this is real and at first I was guilty of blowing off the seriousness of it but now I realize and hope you do as well that we have to be as cautious as humanly possible for awhile.
i am actually getting used to the smell of lysol---LOL
here is a tech tip:
I have not done the research to confirm this but it comes to me from a very reliable source
hydrogen peroxide ---kills the virus on surfaces including our hands (instantly I'm told)
peroxide is cheap and readily available and does not feel sticky or nasty to the touch and it really has no smell.
I intend on doing a little homework on it but I thought some of my 4M family might have some info as well
stay healthy
BradComment
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If you think the parts cleaner tank dries your skin, wait til you use H2O2, all that dry skin will be gone, hopefully there is enough wet stuff underneath! Save it for surfaces! Lysol smells like a prison.....Which your sorta in! So many not taking this serious is why we are where we are.... Corona Virus leader in the world, not the lead we need or want to be in. Stay healthy, the racing world needs us 'old' guys!Last edited by CCHIEF; 04-03-2020, 11:43 AM.Comment
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you threw me a bit with the chemical code (H2O2) ---LOL but it was an easy find
anyway I did a little research on my own and found that Peroxide (H2O2) is effective on the virus but the recommendation is to leave it sit on the surface being treated for 5 minutes before wiping
with that bit of information I retract my previous comment of "instantly"
Chief--I might be a little more resistant to dry skin (because of all the parts cleaner time) but it really doesn't seem to dry my skin out to a point of concern
maybe lets consider another use other than skin
I deal with boxes on a daily basis ---and God only knows where they have been
Reports are that the virus lives for at least 24 hours on cardboard
My procedure for this past week has been to spray down the boxes with H2O2 and leave them sit outside for 24 hours under our porch roof
I feel bad for delivery drivers ---IMO they are as much at risk as health workers
try to understand their position when they deliver to you
BradComment
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Happy Easter to my 4M family
it's a sad time in the world but the celebration of Easter is AWESOME!!!
BradComment
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hope everyone is well ----looks like we can see some light towards slowing the virus and getting back to a more normal life-----I hope they don't rush the openings and and spin us out -----we need to move slow and easy---just like slick track driving----"slow down to go fast"---most of you know what I mean
stay safe---stay healthy
BradComment
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any feed back on 2 barrel carb adapters for crate engine
more related to 602 but for discussion if you have 604 information ---let's hear it also
Brad
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Hey Brad, curious if you've had any experiences with the flat air cleaner bases that I'm seeing around. Any benefits or drawbacks to them? We run claim IMCA Sportmod engines on a Holley 4412. But interest in looking into them if they are worth what they are worth.
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our flat base version is similar to what you are speaking of
we have been testing with it and using it for quite awhile---there are some down sides to it and walker engineering has addressed the negatives to the crate innovations flat base with positive gains
The Walker system is "nearly" the same power numbers but takes the dips out of the acceleration rate that we see when the flat base is introduced to moving air.
We have recently performed some high speed air testing on the dyno with both the Walker System and the Crate Innovations flat base----we are currently organizing the information from the test sessions and will have it available soon.
To answer your question more directly
YES---we use it and hands down it has made the most power and TQ than anything out there when comparing static dyno numbers
stay safe and stay healthy
have a great day!
Brad
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