Why are there so few blown small blocks?

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Cope

Cope

Fusing with fire
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I've been looking around at blown (roots style) small blocks. Lots of chevys, some fords and almost zero (small block) MOPARs.

Why is that?

I realise that they are out dated tech and now days it's all about the twin turbo, procharger ect.

As far as I'm concerned, nothing is cooler than the sound of a old school blower and the look of that big belt.

Why is it that the small blocks almost never get treated to a cool old GMC hot air pump?
 
Good question. I wonder if it's because the blown Hemi is so iconic that anyone who wants a supercharged Mopar naturally goes that direction.
 
Find an affordable small block blower manifold. I'll just wait right here.
 
I think most people who want a blower on their mopar go the big block route.
Plus you need a nice block and strong bottom end. The best way to go is with a race block which is not cheap. Parts for my set up were difficult to find and or had to be custom made.

I have a stroked small block with w2 heads and a 671 blower with a R3 block. It was not cheap to put together. I think a bb set up may not have been much more in retrospect.
 
The kits are available, although that could be a large part of it. They are not cheep.

I could buy a set of mirror image NRE turbos for about half the cost. (My buddy is a dealer for NRE).

I've done a lot of searching and it looks like our of everyone on this site theres three folks with blow small blocks and about three hundred with turbo small blocks.

I realize they dont make the crazy power numbers that twin turbo can but our blocks cant hold 1,000+ HP any way.

I'm just very surprised at how few there actually are. Come to think of it. I've never even seen one in person. I've seen a few blown hemis and 440s but zero small blocks.
 
Ah Rusty, I never even mentioned the word affordable.


My guess is you're gonna be waiting right there for a while!

:)

I did find some of your posts on the subject tho and I've got a feeling I'll be talking to you in the future.

I've already been talking to Coyote Jack.
 
Mopar guys never really bit on those. They are very pricey, and old tech now. So very few of them are around second hand.
 
diymirage said:
you want affordable, go build a chevy
Click to expand...

Ok, then how bout this genius? Go find one AT ALL and post it here. A NEW one. My point is nobody makes one. I think the Indy Mod Man is the only one. Before that, you had to make one, because nobody else did.
 
And that's what I'm talkin about. I can get a BRAND NEW Hot Heads blower intake for 479 bucks.

Oops. I just looked. It's come down some. 435 bucks. lol
 
Will it mount a 6 71?

Got a link?



One more stupid thing is the cost to rebuild one. I have a 6 71 hanging on the wall but it needs a full rebuild and a different drive kit.

Just the rebuild adds up to 1,470.00
New drive kit. 1,195.00
Manifold 600.00 - 1,500.00

Ouch.....
 
Cope said:
Will it mount a 6 71?

Got a link?



One more stupid thing is the cost to rebuild one. I have a 6 71 hanging on the wall but it needs a full rebuild and a different drive kit.

Just the rebuild adds up to 1,470.00
New drive kit. 1,195.00
Manifold 600.00 - 1,500.00

Ouch.....
Click to expand...

Yeah. The Hot Heads intake mounts a 6-71 through a 14-71.

Link: Early Chrysler Hemi, Street Blower Manifold
 
Will it clear the distributor?

INDY mod man will not.

BDS intake is garbage.

Dyers says his will.
 
Cope said:
Will it clear the distributor?

INDY mod man will not.

BDS intake is garbage.

Dyers says his will.
Click to expand...

Yeah, but this is for the early Hemi. I don't know if you missed that. I posted it for price comparison purposes. Usually, Hemi stuff is at the top of the price list. Maybe you could find out who makes it for Hot Heads and inquire about one for a small block.
 
It must be supply and demand because the hemi intakes are half the cost at all the sites.
 
RustyRatRod said:
Find an affordable small block blower manifold. I'll just wait right here.
Click to expand...
Here you go Rusty...Indy
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imagejpeg_0.jpg
 
Cope said:
It must be supply and demand because the hemi intakes are half the cost at all the sites.
Click to expand...

that and of course we all know the early Hemi is cooler than anything else. lol
 
Rusty, click on the link I put up and scroll down.
The fire power hemi is bad ***, and if I'm not mistaken you have one that needs the Dyers treatment.


:lol::poke::steering:
 
You see a lot of blown small block chivies, and some fords because they're bottom end is junk. Hardly ever see a blown small block mopar in stock or mild build because they are just tough! :D
 
I can tell you some of the issues. E number one reason is it's a ***** to make them hook. It's one thing to look cool, but it's retarded to get your wallet raped by a car that has much less power.

The roots blower isn't obsolete. Far from it. It's harder to tune, harder to hook, less forgiving and makes an assload of low speed torque. They also get less efficient as RPM goes up, and RPM lowers ET. Always.

You have to have the chassis dead nuts on, or it won't hook. Down on power? You shake your teeth out.

For the street, even with better than 400 inches anything bigger than a 6-71 and you turn it too slow and it just gets in the way. Speed it up and you've got too much boost.

I'd do a Pro Charger long before a roots deal or turbo. I personally hate the exhaust work for turbos with a passion. And yes, I've worked with and on all of them.

Personally, I'm an N/A guy. Always will be.
 
Hey welcome back!

Dont you owe me 50 bucks?


:poke::rofl:


Tuning dont scare me and I dont expect it to be easy or cheep.

Chassis, while mine ain't the best it's far from the worst. If it wont hook on springs and sliders, well I just build a 4 link.
My chassis is tight and square. ( CRT trans, ultimate converter 3,800 stall, 12 point cage, springs under the frame, mini tubs, narrowed 9" 4.88 spool , 35 spline strange axles, 29x10.5x15 Drag radials, 4 wheel disks.)

I just have a hard time leaving well enough alone.
 
Cope said:
Hey welcome back!

Dont you owe me 50 bucks?


:poke::rofl:


Tuning dont scare me and I dont expect it to be easy or cheep.

Chassis, while mine ain't the best it's far from the worst. If it wont hook on springs and sliders, well I just build a 4 link.
My chassis is tight and square. ( CRT trans, ultimate converter 3,800 stall, 12 point cage, springs under the frame, mini tubs, narrowed 9" 4.88 spool , 35 spline strange axles, 29x10.5x15 Drag radials, 4 wheel disks.)

I just have a hard time leaving well enough alone.
Click to expand...

How do I send it to you if you don't PM me. I guess I could send it to jpar (I could drive it to him tonight, but then he'd have to buy me dinner and you'd still never see the money) or you could PM me your info.


I agree, you can tune it, it's just a very, very narrow tuning window. Converter is a big deal. A clutch is actually easier but more expensive and you damn well need a data recorder. Gearing is a huge deal.

The only way to control boost is blower speed. So yeah, you can do it. You just have to hate yourself enough to want to.

One deal I worked with we could make power to about 8200 and that was it. The blower (this was a class car that was limited to a 6-71 blower...of course, we had the trick rotors and the cheater cases and all that expensive bullshit but so did everyone else) just didn't like being turned that high. I forget the overdrive but IIRC at that time it was 57% over.

So we decided to slow the blower down. Now, the car sucked hind tit in 60 and was a pig in the gear change. Dropped in a 5 speed. It helped, but wasn't right. At out weight, we had a maximum CID of 471 and we had a 4.500 bore. The Hemi guys were kicking the **** out of us. They had figured out how to turn 10k and make power. We finally took some stroke out and made power to 9500 but the 481X head is an air eater. We eventually ran with the Hemis but the learning curve was straight up.

That's the kind of crap that happens. Certainly, turbos at that time weren't where they are now. And the class is blowers only.

I have lots of grey hair from that. And the wife. Mostly the wife. But that deal made me lose sleep for sure.
 
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