Moving to the lounge, general discussion.

 

Im crawling around in the cold mud trying to get the drive train for my s10 together. Tomorrow the spool and rebuild kit for my 9" will be here and then in a couple weeks I can order the disc brake conversion kit. Hopefully when the season starts ill be able to start turning up the boost till the transmission goes.... lol. It never ends.

 

I don't know which engine i will be goine to but i am thinking (SUPERCHARGER) this time around. it will be my first for myself just have to find out the best route to go . :sweat:



Cole
imp:

 

Must have sum power if you have a 9" lol and I use to have a supercharger on my old Sbc 350 it was the little 142 but that thing use to move

 

I don't know which engine i will be goine to but i am thinking (SUPERCHARGER) this time around. it will be my first for myself just have to find out the best route to go . :sweat:



Cole
imp:

Cole,

I sure wish my engine cowling had room for a small, positive displacement blower and intercooler. As it stands now with a NA engine, I have to choose during the engine build process if I want a lot of hp on the top end or gobs of torque at the bottom end, but can't have both. With the positive displacement blower I could have both.

 

I def wanna some day build a blower motor. I am more of a turbo guy but you can't beat that low end grunt and whining noise of a blower.

 

Bob it's going to be a learning experiance for me i have did some work with some several yrs ago, but don't really have alot of know how on them but i figure between the good people of hotrodders i will get it done. figuring out which system and engine to go with for my camaro i want to de able to drive the wheels off of it.
And i have even thought about a turbo also.


Cole
imp:

 

Also been thinking about going to a 9 inch rearend too.




Cole

 

Cole,

In my book, you can never go wrong with a turbo, but because it is a centrifugal compressor, boost will not come just off idle like a PD blower, but you are converting wasted exhaust heat into rotational energy. Anytime you get something free, that works for me. Should you want boost from idle, the only way is with a positive displacement blower. If your not into eye candy like my fellow T-bucket folks, skip the diesel 2 stroke refugee blowers (4-71, 6-71, 8-71, 12-71, 8-92, etc) and buy a small PD blower for the intended purpose of adding boost to a gasoline engine. They aren't big and sexy, but lots more efficient and does not heat the intake charge near as much as the big diesel blowers. Anytime I'm at a T-bucket only event and I notice someone using the small PD blower, I know that guy is into performance and not eye candy. Also, straight from Detroit, my Caddy CTS-V uses the small PD blower and intercooler, produces 556 hp from a small V8 and 551 lb/ft at a fun 3800 rpm.

 

Exactly Bob, I'm not worried about the looks i'm about the performance that's what i am looking for and i will be looking at the positive displacement blower.
Sounds like what i'm looking for thank's Bob. :thumbup:



Cole
imp:

 

Exactly Bob, I'm not worried about the looks i'm about the performance that's what i am looking for and i will be looking at the positive displacement blower.
Sounds like what i'm looking for thank's Bob. :thumbup:



Cole
imp:

I've had both, the big eye candy 871, and the small ones designed for our intended use, huge difference. As you know, when you compress air, it becomes heated so it is less dense. The denser (cooler) the intake air charge is, the more fuel you can include for combustion, which equals more hp. Small blowers for street rpms are so efficient that you can run 9 PSI on a 8.5 to 1 cr engine with out the need of an intercooler. Try that on a diesel blower. And if you decide to pony up the coin for an intercooler (I would) depending on the heat exchange capability, you could run double the boost.

I've also had a number of turbo engines, and the 2 main advantages of the turbo are

1) Uses wasted heat energy (gas expansion) to spin a turbine that through a common shaft spins a centrifugal compressor.

2) Because it is a centrifugal compressor, your drive line can tolerate a higher peak hp than a positive displacement blower because of the linear build up of power (less torque at low rpms, which is what can break things downstream in the drive line). If you want crazy power right off of idle (I'll admit for me, that is the most fun, not to mention pleasant street manners), the PD blower is the way to go.

Bob

 

I m in process of building a 355 for my Jersey Speed skiff to replace the 283. 9-1 Wisecos, World Sportsman heads, Mike Jones cam and a set of Scorpion roller rockers. Stef's pan. I found the block was messed up upon assembly ( I think the machine shop screwed it up ($600.) So now I am waiting for Wheeler 4 bolt form Jacksonville and will massage that a bit for proper oil control and begin reassembly.

 

I m in process of building a 355 for my Jersey Speed skiff to replace the 283. 9-1 Wisecos, World Sportsman heads, Mike Jones cam and a set of Scorpion roller rockers. Stef's pan. I found the block was messed up upon assembly ( I think the machine shop screwed it up ($600.) So now I am waiting for Wheeler 4 bolt form Jacksonville and will massage that a bit for proper oil control and begin reassembly.

Something like this?

 

Thats exactly right! That would be Skip Gilliam's #5 Last Blast, Knot Right and I beleive the one on the right is Roger Harris Breaking Water. Must be a Vinatge event there, as there is only one boat with the safety cage in it.

 

I don't know which engine i will be goine to but i am thinking (SUPERCHARGER) this time around. it will be my first for myself just have to find out the best route to go . :sweat:



Cole
imp:

A small roots style blower is your best bet. They in most cases give you the most bang for the buck and don't require an inter cooler. Centrifugal blowers and turbos both require an inter cooler, piping for it and usually require some fabrication to get it installed in front of the radiator. All require good engine internals and also require tight timing control.
Installation of a small roots blower is also the easiest. The physical install involves changing the intake and mounting the blower. Usually the linkage will require some work and you are done except for tuning.
No matter what you go with you will need to modify or replace the carburetor.

Everything else aside there is nothing cooler looking than a roots blower sticking out of the hood.