I have a 1970 Buick GS STAGE 1 455 Big Block however, i am in the process of building a road race car so I am going to need a HIGH Winding engine that winds up to at least 9400RPM. Would a Buick V6 Turbo be a good canditate for that, any suggestions for engines that could deliver me some high HP and high winding thrills?
It would have to be the stage 2 V6 if even it can. I believe the origianls were used at Indy. TA makes the stage 2 aluminum block and components but it will be an expensive engine.
The thin cast factory block detonates before 9K rpms. D. Manner once told me that hp does not destroy engines but rpms do.
HP Books put out a book in 1986 called "How to Hotrod Your Buick V6". It had build specs for an Indy engine, a Trans Am engine, normally aspirated drag, turbo road race engine... I have a copy. It's yours if you want it.
Im sure i can get The V6 To spin to at least 9400RPM? How does nascar do it they spin those suckers past 11K Rpm, im sure there is an engine combo out there, or i can take the tech from BMW and build a small Twin Turbo setup.
...book says "any heavy-duty Stage II engine should be capable of turning 8500 rpm without valve float"...
The book also says all Buick V6 racing applications have practical limits of operation below 9000 rpm... and only if you use titanium valves. Steel valved engine limits would be 1000 rpm less. The turbo Indy engines were limited to 8,800 rpm. This engine had 800+ HP at 8000 rpm.
buy an old nascar engine and find the buick sbc heads for that era would be a lot cheaper if you really want to wind it that high. at least it will say buick on the valve covers
Yep,we destroked a 400 useing chevy sb rods offset ground crank 1/4",reved like crazy, but 9000rpms? never.Maybe with lightweight rods,pistons and a girdle,7500-8000rpms
GENTS!!!! Go to the top sticky. TA Block... Come on destroke, billet and stage II. And hit the course... Its only $$$... Michael
Gotta love that! Hey, titanium valves, ultra-light valvetrain, major de-stroke, ultra- light rods and pistons, why not 9400? Way oversquare and plenty of breathing! Jim
You may consider rotary valve heads and do away with the ricprocating valve train and cam. Seems Trey Russell out in West Texas aquired the rights to build this type setup for agricultural stationary engines and was considering doing a set for the BBB. I haven't talked with him in years so I don't know if he ever completed the project. Jay See www.coatesengine.com
i am in the process of building a road race car so I am going to need a HIGH Winding engine that winds up to at least 9400RPM no you don't. the engines you're running against might twist that hard but if you're running a BBB you'll probably have 30-50% more torque than any engine you'll be competing against. they have to turn the rpm because they don't have the torque. always remember, rpm and torque can be substituted for each other. you want a taller final drive and look to 6500-7000 for your top end. you might even be able to be competitive with a SBB. i doubt it though. there's too much racing development into the SBC. How does nascar do it they build a new engine every race and they buy all the most expensive parts to do it and they balance the hell out of everything. not everything is lightened as much as it can be though. NASCAR cranks, for instance, tend to be fairly heavy. You may consider rotary valve heads and do away with the ricprocating valve train and cam. the bottom end of a BBB wouldn't take that rpm anyways.
Contact Traco Engineering Company in Los Angeles CA. They build road race engines for a living. I am sure they can tell you exactly what you will need and how much lighter your wallet will be as a result. Their phone number is 310-471-8581.
What the heck is going on here guys? The SBB can take it but the BBB can't? Yet the stroke of the 455 is only .050" more than the 350!!??? A bigger beefier crank and a bigger beefier block and only .050" difference but the stronger parts won't hang? The pistons and rods can't be that much heavier. What the heck? Jim
WHY? In any contest it is important to understand your strengths and weaknesses. You enhance what you are strong at and minimize the losses from your weakness. Buicks were designed to produce torque at low rpms. Keep the torque, enhance the rpm range by going to as light a reciprocating assembly as possible.
Them 455 block are like glass though and the problem. Dunno why that big long thread about the SBB doing over 500/500 on a 2 bolt block and all stock iron part. intake, heads, 2 bolt block. Then over 1000 with forced air and fancy parts. No gridle, halo, block fill....... Though its sort of easy, look what the 3.8 can can do, then add two more cylinders. Why folks started playing. If a 350 missing two cylinders under boost can do all that, why can't a reg 350 with some work do it too but better???
