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Scott Shafiroff Ultrastreet Engines - opinions, please

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Old 12-16-2008, 04:13 PM   #1
TheFinn
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Default Scott Shafiroff Ultrastreet Engines - opinions, please

Hello.

I could use some advise: I have an offer on table for their Ultrastreet SBC engines. The package and the numbers look very impressive and the communication with sales rep has been quick and good. Prices are prices but we only live once or so, so...

Do you have experiences, good or bad, of their engines?
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Old 12-16-2008, 04:58 PM   #2
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Originally Posted by TheFinn View Post
Hello.

I could use some advise: I have an offer on table for their Ultrastreet SBC engines. The package and the numbers look very impressive and the communication with sales rep has been quick and good. Prices are prices but we only live once or so, so...

Do you have experiences, good or bad, of their engines?
i have owned 2 of his ultra street engines . they are first qualityand a great bang for the buck . i have sold both cars ,the last one a 90 vet i know is still running awsome .when i sold it it the motor had 50 k miles on it and was running super .i believe there is 75+k on it now and still running . they are in my opinion great people who care about every customer they have . if they did lt-5 motors i would buy one tomarrow . hope this helps .
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Old 12-17-2008, 09:53 AM   #3
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Actually, that helps a lot. Thank you.
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Old 12-17-2008, 06:50 PM   #4
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I haven't had the Ultra Street engine, But Scott built me a pro mod motor(706) and it was awesome piece never had any problems
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Old 12-20-2008, 08:17 PM   #5
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Currently have a Bill Mitchell hardcore racing 509, If I was going to do a crate motor again, would absolutely look at the Ultra street series, have heard all good responses. Good luck with your decision.
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Old 12-25-2008, 06:02 PM   #6
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Default 582 hhr

going in my 69 with a gf-5r.
here's a Shafitoff 598's in a couple camaros. they run 5.60/5.70 in the 1/8


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Old 12-25-2008, 07:34 PM   #7
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I've only heard good about them.
A good indicator is people all over the country buy them.

Attention to detail and precise machine work are trademarks of the better builders.
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Old 12-30-2008, 05:08 PM   #8
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Thanks guys for the positive comments. I'll let you know if I choose that road - decisions, decisions.
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Old 01-01-2009, 11:18 AM   #9
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If I was going for the max 427 small block I would look at the new world products LS block and use the latest heads designed by chevy. I have the old style 434 small block and to get comparable air flow you have to use 12 or 15 degree heads with 272 cc's intake ports.

The other thing is I would not stop at just 427 or 434 in a small block. when the 441 or 447 is the same cost. The LSX at 454 - 472 ci

When I have my foot on the floor in 4-5 gear I would like another 30+ foot pounds added on to my 650 hp motor

Last edited by gkull; 01-01-2009 at 04:59 PM.
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Old 01-06-2009, 01:45 AM   #10
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Quote:
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If I was going for the max 427 small block I would look at the new world products LS block and use the latest heads designed by chevy. I have the old style 434 small block and to get comparable air flow you have to use 12 or 15 degree heads with 272 cc's intake ports.

The other thing is I would not stop at just 427 or 434 in a small block. when the 441 or 447 is the same cost. The LSX at 454 - 472 ci

When I have my foot on the floor in 4-5 gear I would like another 30+ foot pounds added on to my 650 hp motor
I hear you on that
I think for the money they should put out a bit more power.
I have the 434 687 hp and I think I could have done better with a turbo for street and track use.I have to use c-14 and that is not the way for the street.I have cut the fuel by 1/2 race and street fuel and the motor will live for the street but still not enough power for the money.
I would go with their blower or turbo motor.
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Old 01-28-2009, 08:42 AM   #11
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The GM LS engine family came with 15 degree heads..
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