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Old 06-06-2019, 11:14 AM   #451
blackwidow
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Yeah all your statements above are correct this would be a fresh build specifically for that application. Iíve been doing a lot of reading and watching a lot of videos which I donít think the videos help but man it sure is feeding the urge!
I figured if I did do anything with it that Iíd go for the holly EFI set up which would include their dual throttle bodies yeah itís not totally old-school but I think itíll pay for itself leaps and bounds moving forward and keeping It towards a more street friendly use. Believe me thatís more so on the want list I got a bunch on the plate and need to get some things together before hand...... it enrages me to think that a few months ago there was one on craigslist here locally was an 871 and the whole thing sold for 1500 bucks all brackets pulleys belts only thing missing was the carbs but it was all brand new at the time I just picked up the 56 150 and exhausted my funds for it ,
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Old 06-06-2019, 11:28 AM   #452
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Glad to hear I'm not the only one who is out of money when the great deals come along! It can be frustrating.
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Old 06-06-2019, 12:04 PM   #453
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I've not regretted my blower one bit, i love it. I purchased Holley carbs set up to use on a blower and they worked right out of the box. I purchased an AFR gauge and have fine tuned the carbs for street driving with just jet changes. Works amazing on the street and i'm far from an expert.

Cam choice is as important as all the other parts when running a blower on the street. Mine idles great sitting at a stop light without any surge. Also the cool factor is multiplied when it is one a tri-five gasser IMHO. DO IT!!!!
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Old 06-06-2019, 09:25 PM   #454
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IdahoRob itís food for thought at this point letís just say Iím looking and just want car rolling under power at this point....been starring at it for 6 months stationary down for repair. I fully agree with do it! But in time
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Old 06-08-2019, 12:58 PM   #455
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A blower is nice IF you spend the time to really learn how to tune the carbs, and engine for a blower. But it might be too late once you've assembled an engine with whatever pistons you choose for naturally aspirated. Choosing to go the blower route means you also need to choose the right pistons for that blower first. Too much compression and the blower wont play well with the engine.
I've had a couple friends who decided to go to a blower, and it's another learning experience to figure out what carbs, jetting, nozzles, timing, etc. it will want to run well. It can be idling just fine, but lean out as the rpm's go higher. Or idle rich, so it doesn't lean out at high rpm. Lots to consider before plunking down the cash to buy a blower.
Been there...and got tired with THAT hassle. Plus, pulling those big heavy things off and on is even more of a hassle. Building a strong running big inch NA motor (with a real hood) is more fun to me now.

And you're right about the pistons. There's too many cars out there with too big of pistons, which requires a huge upper blower pulley. Looks pretty dorky to me.
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Old 06-08-2019, 10:32 PM   #456
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And you're right about the pistons. There's too many cars out there with too big of pistons, which requires a huge upper blower pulley. Looks pretty dorky to me.
Please enlighten me. Too big of pistons require a huge upper pulley? I'm confused.

Dorky? Tri-five gasser with a supercharger that has a big upper pulley doesn't seem a bit dorky to 99.9% of the people with a pulse or their own opinion, IMHO.
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Old 06-09-2019, 10:06 AM   #457
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The larger upper pulley is required with higher compression pistons to keep the blower under driven and not end up with too much compression. You could go smaller on the lower pulley, but only to a point and then the upper needs to go larger.
Of course the real solution is too go with lower compression pistons to begin with and then set the blower up for the total compression you want.
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Old 06-09-2019, 03:41 PM   #458
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21B2FB33-6CE3-4E89-8F69-95D997D68439.jpg

35F5D5AA-7B37-4402-A8D5-F591CD372F31.jpg

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We went to ride some coasters and they had the monster trucks there.............oh my!
Here was grave diggers setup!
Went total fan boy for them power plants momma was laughing and video me drooling. The cutaway block was slick there was so much removed from heads for oil flow OMG! Would have taken more pictures but was getting laughed at
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Old 06-09-2019, 06:35 PM   #459
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Please enlighten me. Too big of pistons require a huge upper pulley? I'm confused.

Dorky? Tri-five gasser with a supercharger that has a big upper pulley doesn't seem a bit dorky to 99.9% of the people with a pulse or their own opinion, IMHO.
Didn't mean any dis-respect, but to guys that have or have run blowers before the huge upper pulley means only one thing, just as Vall said. The view is kinda stupid looking also.

Dunno how you have yours set up, but I always ran 7 to 7.5 static. As the static gets higher the pulley gets bigger and bigger to keep the motor from grenading itself. You can do a higher static with alcohol just fine, but gas is a different animal.

As per your last, it may well be that the guys that salivate over seeing a blower with a monster upper pulley just don't know the difference. Guys like you and me DO know though.

I've seen much larger than this one before,

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Old 06-11-2019, 03:36 PM   #460
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All this spirited blower debate , from those that truly know and those that imagine they know : )
Almost inspires me to put this back on my 56 ( almost : )
I don't remember the tooth count I was running but all that setup stuff would be easy to reestablish .
Without question a stout helper ( or two ) is necessary ( or the engine hoist ) I think
the 871 including carbs and scoop maybe as much as 120 lbs. if I remember right !!
But I agree , if possible , any tri-five gasser should have a blower for the look if nothing
else , Ha !!!
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