I was wondering if any one knew what would be better big block or small block with a biger crank

like 406 with bigger crank = 436 or sumting im not sure but from wich type of engine would i get this out of ???

OR

454 simple and easy

Would it be more expensive for the big block or small block and why?

Installing would it be easier bog block or small block and why?


thanks

 

better for what?

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ICON Motorsports
1st & 3rd
MM Black Diamond 538 F&AM

 

List some goals. Define what you expect to accomplish and also list some undesirable things you don't want to happen.

 

Building a big small block gets very expensive compared to a mild BBC. When you consider the engine sizes may be close to the same, you need to buy some very expensive SBC heads to flow the same as some basic BBC heads. The engine is an air pump. Without the air flow info the engine, you just build an expensive low performance engine.

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Follow my racing progress on Stephen's racing page
and check out the race car

87 IROC-Z SuperPro ET Bracket Race Car
461 naturally aspirated Big Block (times are for the current engine)

Best ET on a time slip: 11.447 altitude corrected to 10.99
Best MPH on a time slip: 119.42 altitude corrected to 124.86
Altitude corrected rear wheel HP: 493
Best 60 foot: 1.586

Racing at 3500 feet elevation with a typical race day over 5000 feet density altitude!
Member of the Calgary Drag Racing Association

87 IROC bracket car, 91 454SS daily driver, 95 Homebuilt Harley

 

Can you retain the a/c and heat with a BBC? I have two real pretty 502's I would like to play with. One is for my boat, but I though about putting the other in my 84 Camaro. It already has a nasty SBC, with the SSM kit and a 9".



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1992 Pontiac Firebird 350/Six Speed
1987 Toyota Pickup 383/500+ HP

 

Yes you can retain everything. There are some clearance problems with the wiper motor if you run tall valve covers. The other big problem is headers. Hooker supercomp headers for the swap are NOT a direct fit. Some modifications need to be done to get them in the car then a custom exhaust needs to be fabricated.

 

For headers you can call up Lemons Headers in California (lemonsheaders.com). They have a jig made to reproduce the Tri-Y design I had custom made, but they are expensive. I might note that these headers flow MUCH better then the Hooker headers.

 

Thank you, thank you, thank you!

I can see it now. 502 BBC, A/C, PS and a big gulp of NOS....

Thats so sick I think I will build one!

"Sorry to only beat you by 5 car lenghts, you want to race again, my a/c was on. " LOL

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1992 Pontiac Firebird 350/Six Speed
1987 Toyota Pickup 383/500+ HP

 

Don't underestimate yourself. Having 500+ hp under the hood doesn't mean you can get it to the ground. You could just sit there and spin the tires and lose.

There's a lot more than just having a powerful engine. The rest of the driveline needs to be able to handle it plus the suspension must me able to control it. Figure out what it'll cost to built the engine then double the price to upgrade everything else.

 

Some of u ask me why , what is the use for the engine i want in my car.

Well it's for regular use and when i step on the gas it does'nt take 10sec to go 0 to 100.

I want to beat does civics , mustang 5L.
I dont wnat the best but far from the worst

Now big block seems too be expensive but small block 406 must be less trouble.

Now that i made my choice what do i put in 406 to do what i just explained and one more question a biger crank = too much trouble and $$$ ?

thanks

 

so kan anyone help me on this ??

 

depends on what you can find.if you can find a older 454 the cost of a rebuild would be less than a stout 406 buildup.in most cases the older BB engines came with a forged steel(or at least steel)crank,good rods,etc.as opposed to nodular iron for the production 400's.take into account your camaro will handle better with a smallblock,drink less fuel with a small block,have less problems installing that smallblock.on the other hand the BB wont have to work as hard to make the same power as a smallblock.ultimately your choice,do you wanna be different at the cost of some handling and gas guzzling or do you just want to be practical.

[This message has been edited by PETE (edited October 21, 2001).]

 

Bigger is almost always better. A 9:1 502 makes the same power as a 12:1 406 with a lot more torque. 400 motors aren't that easy to come by anymore either. Just bear in mind that the swap is not a bolt in, but it has been done enough times to take advantage of other's trial and error work.

DS

 

I also have that dream of having a BBC powered Camaro. Hopefully one of this days I will spend the money and do it.

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383 86 Camaro Z28 ---1/4 mile e.t>12.89@108.8mph,,
10.5:1compression Dart Pro 1 Aluminum heads 215cc>2.05/1.60 valves,400 steel crank,cam specs:224/234 at 050 525/525 lift,3500 stall converter,shift kit,4.10 gears,770 Holley Avenger,Victor Jr. Intake,true dual exh,Hooker headers with 40 series Flowmasters,MSD Coil and Module.ALSO SECOND GEN Z28---mods:454 BBC,.546 max lift(doug herbert cam ) 750 Holley vac sec. ,Edelbrock Performer manifold,Holley electric fuel pump,Hooker headers,Flowmaster mufflers,beefed up 700r4 tranny, 3.90 gears, powertrax unit, B&M console shifter.

 

If it were up to me I'd put a blower on a SBC. Save the weight and you can displace more theoretical volume than the BBC if you blow hard enough. Probably save some money and a lot of headache too.

 

Big Block = Expensive!

The parts (heads/block/pistons/rods/etc.) are expensive themselves. I dont even know how you'd get exhaust to work. And why do you need that much power? (I guess I can understand)

I think a reasonably built small block 400 can run 11's all day in our cars. If that isnt fast enough there are always power adders . The parts are cheaper, and it should go in much easier.

Good luck anyway you go!

 

.

 

Damn expensive. I paid a whopping $200 for mine. 5000 miles on a rebuild and it had a flat cam. New valvetrain and it's good to go.

 

I am sitting on two marine, fresh water cooled 454's. Both are stamped HiPro on the heads and block. I figured I could rebuild the bottom end and clean up the heads. Later, I could invest in some good after market alum heads to get the weight down. I guess the big block would give you more torque on a pump gas setup. By that, I mean you could have a less radical big block and get the same power as a nasty little small block.

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1992 Pontiac Firebird 350/Six Speed
1987 Toyota Pickup 383/500+ HP