Help with a blower motor
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Help with a blower motor
Posted: July 16 2007 10:00 PM
 
Sandy Harrison (aka 1932hiboy) [ View ] [ Vics1932@aol.com ] [ Car Ads ] [ Blogs ]
Lincoln, Nebraska
(402) 525-1932
 
Ok guys I need some information. I am building or trying to buils a1932 ford 3 window. I want it to have a blower motor. Here is my question. If I buy a new 350 250 hp creat motor which I belive is about 8 to 1 compression can I just change the cam and add the blower??? I dont want it to be a race car o I might turn up the wick on it now and then but I am mainly doing it for the looks and I want it to be street friendly. Thought it would be easy and cheaper to use a creat motor. Any ideas??? Thanks Vic
 
 
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Posted by orphans2  -  07/16/2007 10:17 PM
I don't have a blower motor but it is my understanding that the internals of a blower motor have to/or should be specifically designed for use in blown engines for it to stay together under the extremes of a blower. Heavy duty pistons, rods, bearings, pins, etc.


However, I will defer that question to those here who have blower experience.
orphans2 [ View ] [ Email ] [ Blogs ] [ Car Ads ] Stewartstown, Pennsylvannia Charter Member since November 2001
 
Posted by tlp1968  -  07/16/2007 10:21 PM
I am with Orphans on this one, I never have had a blower motor either but when I was racing many guys did and you need a strong engine to make this work. We have several guys on this site who have blower setups, hopefully they will chime in.
StreetRodding.com Marketing Director [ View ] [ Email ] [ Blogs ] [ Car Ads ] Springfield,, Illinois Charter Member since August 2003
 
Posted by bigdude  -  07/16/2007 10:59 PM
You rang? Just what orphans said goes. Also some of the blown motors run a little hotter than normal so a real good rad is used. Of course if you never stand on it you might get by with a punk engine-but we all know that aint gonna happen. Use your money in better places like fuel inj or something more practical. (blown cars dont sell so well either)
resident know it all [ View ] [ Email ] [ Blogs ] [ Car Ads ] Three Rivers, Michigan Charter Member since January 2004
 
Posted by JAWS  -  07/17/2007 12:45 AM
How big a blower are we talking here? You would be just fine with a crate engine and a miniblower. For a 6-71 you will have to do some modifying. Like Greg and O2 said.


I know you are saying that you won't drive it that hard that much and it seems that a stock crate motor should handle it, but trust me you will stand on it more than you think. It is intoxicating, a rush and oh then theres the sound.........mmmmmmmmm, yessss.


Addicting and it is very exspensive to learn the lesson. Do it right the first time and spend the little extra so you can enjoy your fix and not worry about it comming apart. I'm not talking about building a blown alcohol funny car motor either, just a good reliable street motor that is a kick in the pants. If done right they can be very reliable, mine had over 40k on it when I sold it and that was in a little over a year of daily driving. I went through 5 trannies though till I got smart and spent the money on a superT-10. Which by the way is broken too now, I hear. The guy I sold it too drove it like he was 16, something to think about also is the resale.

-Brant
An electrical headache can make a great car a pain [ View ] [ Email ] [ Blogs ] [ Car Ads ] Boise, Idaho Charter Member since August 2004
 
Posted by Streetrodder007  -  07/17/2007 12:53 AM
I have also had a couple of blower motors, and I dont think I would go through all the work of building it and tuning it and use a small crate engine. If you grenaded it, you would loose out on alot of money. Even for a low H.P. low buck engine, you still have to have some decent blower parts. You at least need to have a good crank- perferably steel or a decent Scat, half way decent rods- like Pink or cheap I-beam, then double keying your crank is almost becoming an industry standard. And a good Comp Cams blower cam- overlap and duration are very critical for blowers, then also buy blower carbs. A good ignition setup like a 6AL box with a retard box. These are just a few small things for a cheap low horse power blower motor. Also under drive it with only about 4-5 pounds of boost, and a low 8 to1 compression with cheap forged pistons. Head studs help also or ring the block, but thats only for bigger blower motors. You could save some money buying good used parts, like a good crank that you can turn, and some good used forged pistons etc, only a new cam though. Good luck.
Streetrodder007 [ View ] [ Email ] [ Blogs ] [ Car Ads ] Port Huron, Michigan Charter Member since April 2006
 
Posted by 1932hiboy  -  07/17/2007 03:11 PM
OK. Thanks guys for your help. I guess its back to the drawing board.
1932hiboy [ View ] [ Email ] [ Blogs ] [ Car Ads ] Lincoln, Nebraska
 
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