small blower ?

rssteiny · 10-30-2009, 03:59 PM

What is the height of a small blower single carb like the old 525sc motors had, compared to stock 500 hp intake & carb with 1" spacer under carb. Is it a 177 blower i only want to make 3 lbs boost max what would you recomend. want it to be turn key still but pick up 75 to 100 hp.

delsol · 10-30-2009, 04:18 PM

I just measured 21" from the top of the block (lifter valley) to the top of the flame arrestor -- this is with a 4" chiller under the blower.

I have 2 complete setups if you are looking, just pulled them off my 525 Hawks, they are in great shape.

Dave

737jetmech · 10-30-2009, 05:01 PM

Quote:

Originally Posted by delsol

I just measured 21" from the top of the block (lifter valley) to the top of the flame arrestor -- this is with a 4" chiller under the blower.

I have 2 complete setups if you are looking, just pulled them off my 525 Hawks, they are in great shape.

Dave

PM sent.

Griff · 10-31-2009, 02:06 AM

The blower is about 6" tall and the intake is about 2" lower than the stock 500hp dart intake. You would need about 4" inches more of hatch clearance, maybe a little more, which I don't think you have without adding scoops.

That being said, I would not go with 177's on your 500's. They are too small and are pretty maxed out on a 454. I also don't think you'd gain 100hp with 3# of boost.

Longevity and reliability is not really an issue. I had almost 500hrs on my 525SC with a top end refresh at 350hrs and I was pushing almost 8# of boost. It was turn key and idled like efi when it was warmed up.

Best bet is go with a TBS low profile 250 blower if you want to SC your 500's. They are not any taller than a 177 and maybe even lower. They also don't make as much heat. I still don't think you have the hatch clearance. Probably the only thing that will fit under the hatch is if you go to an EFI Whipple system.

rssteiny · 10-31-2009, 09:18 AM

Quote:

Originally Posted by Griff

The blower is about 6" tall and the intake is about 2" lower than the stock 500hp dart intake. You would need about 4" inches more of hatch clearance, maybe a little more, which I don't think you have without adding scoops.

That being said, I would not go with 177's on your 500's. They are too small and are pretty maxed out on a 454. I also don't think you'd gain 100hp with 3# of boost.

Longevity and reliability is not really an issue. I had almost 500hrs on my 525SC with a top end refresh at 350hrs and I was pushing almost 8# of boost. It was turn key and idled like efi when it was warmed up.

Best bet is go with a TBS low profile 250 blower if you want to SC your 500's. They are not any taller than a 177 and maybe even lower. They also don't make as much heat. I still don't think you have the hatch clearance. Probably the only thing that will fit under the hatch is if you go to an EFI Whipple system.

thanks griff good info

rssteiny · 11-03-2009, 07:31 PM

What was used on the 575 motors.

Griff · 11-03-2009, 11:51 PM

Quote:

Originally Posted by rssteiny

What was used on the 575 motors.

Wieand 256 blowers with dual Throttle Body Injection.

ryanmcclaran · 11-12-2009, 07:09 PM

I have a blower shop low profile 250 on my hp 500 with a demon carb at 4psi and it runs like a EFI just turned 400 hrs with no problems...

rssteiny · 11-12-2009, 07:12 PM

Quote:

Originally Posted by ryanmcclaran

I have a blower shop low profile 250 on my hp 500 with a demon carb at 4psi and it runs like a EFI just turned 400 hrs with no problems...

What kind of hp are you making, is it stock 500hp with the blower or work done other than just the blower.

Thanks

ryanmcd53 · 11-17-2009, 05:48 PM

Quote:

Originally Posted by delsol

I just measured 21" from the top of the block (lifter valley) to the top of the flame arrestor -- this is with a 4" chiller under the blower.

I have 2 complete setups if you are looking, just pulled them off my 525 Hawks, they are in great shape.

Dave

Hey I am looking to buy 2 inercoolers for a weiand 177 if you have a set. call ryan 856-404-2985