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View Full Version : 454 ho w/ vortech or procharger?



Gordz32
02-14-2006, 08:44 PM
Hey everyone, Just lloking at more stuff on the internet, I came across the gmpp 454HO crate motor, and saw that it has forged internals and low compression 8:5:1, Just weanted to know how much boost you could potentially push threw this motor with a procharger or vortech carb system. Anyone that has had any experience with this or done there research? Any info is always appreciated. Thanks
Chris

speedster
02-15-2006, 01:13 PM
Gordz32 -
Here is an article that does EXACTLY what you are asking
http://www.carcraft.com/techarticles/116_0309_afr/index.html
Enjoy !

Gordz32
02-16-2006, 07:45 PM
wheeeewwww! Thats awsome, thanks for the link, Now I wonder if it has power tour reliablility?

speedster
02-16-2006, 08:00 PM
Hey, if you have NRE do your engine, tell Tom that Bruce said 'Hi' and to answer the damn phone...LOL

Gordz32
02-17-2006, 03:57 PM
yea, just leave a message and they get to ya, haha, I'm sure there busy, and after all, if I had all the sweet motors they have layin around I prob would answer anything!! haha

muthstryker
02-18-2006, 06:23 PM
that artical is gonna help me for me to lol i mgonna get a 454.

Gordz32
02-18-2006, 07:28 PM
Yea seriously, thats awsome, I would have never thought you could make even 740hp with basically just a supercharger on that motor, and thats only at like 6-8 lbs boost, I'm gonna go with a Procharger making 10-12 lbs, so I'm thinking somewhere in the neiborhood of 800hp, for around $8500-$9000. Not Bas HUh!!

speedster
02-18-2006, 08:10 PM
I personally feel the ProCharger is a the better choice for your application. Big Blocks seem to love them. Err on the larger side, especially if you ever want to make more mods or crank the boost up. I wouldn't go smaller than a D1-SC, but if you can go for an F-1 or F-1R.

dhardison
02-18-2006, 08:19 PM
That is a great article indeed. Does anyone have a link to part 1 of the build-up that they mention [Aug. ’03 issue (“Import Killer: 780 hp From 7.4L”)]?

Dan

speedster
02-18-2006, 08:32 PM
Dug around, but couldn't find that article yet. Only a picture of that issue's cover. I 'll dig a little more.

dhardison
02-18-2006, 09:08 PM
Thanks Bruce. I might have a hard copy somewhere in the boxes of old car mags my wife always b!tches about. :guilty:

Gordz32
02-18-2006, 10:31 PM
I just ordered a copy of that issue b/c I want a more in depth story on part 1, so when I get it I will post all the info for those of u intrested, and if I can find a scanner somewhere here at school I'll get in online. I checked all around to try and find it online but no luck!Oh its Aug 02' for the car craft issue:headbang:

muthstryker
02-19-2006, 12:20 AM
gordz!!! when you get it scan it for me ! please :)

Rick Dorion
02-19-2006, 04:28 AM
That sure is an appealing article. The short block is nicely priced.

Gordz32
02-19-2006, 10:18 AM
Yes, I'll scan it as soon as I get it, I went to GM the other day and because I'm a tech student, I get the 454HO for $4400, So it looks like this is the way to go since GPstore can still help me out with the procharger, mmmmmmmm, this is gonna be fun!!:woot:

dhardison
02-19-2006, 11:27 AM
gordz!!! when you get it scan it for me ! please :)

Please send me a copy as well if you don't mind Gordz.

Thx,
Dan

dhardison
02-19-2006, 11:28 AM
Yes, I'll scan it as soon as I get it, I went to GM the other day and because I'm a tech student, I get the 454HO for $4400, So it looks like this is the way to go since GPstore can still help me out with the procharger, mmmmmmmm, this is gonna be fun!!:woot:

That's a great price Gordz! Are you planning on replacing the cam and/or heads? I was looking at the 454HO short block.

Dan

Gordz32
02-19-2006, 11:35 AM
Yea it was a great price, I can get the Short block for $3300, as far as cam and heads, I think a supercharger calls for a bigger cam then whats in it, maybe something like 230 intake, 245 exhuast, as for heads, I'm not sure, trying to keep the cost down, and 800 hp is good enough for me, I'll change the intake manifold as well, carb will be from CSU, and I might go electric on the waterpump. oh and a ron davis radiator, how about you guys?

dhardison
02-19-2006, 11:58 AM
I already have an all forged 454 in my car, so I'm looking to model my changes after the article(s). I'm going to remove the exisitng 12.5:1 slugs and go with some 8.5:1-9.1:1 forged units. I have a solid cam now, but will go with a hydraulic roller, something in the range of (Duration 288/ 296, Lift .587/ .610, 112 LSA) or (Duration 296/ 304, Lift .610/ .632, 112 LSA). For heads I'll probably stick with my existing cast square ports. Intake-wise I'm currently investigating the Holley Commander 950 MPFI kit. The goal is to get it ProCharged, but that will come after all other changes have been installed/tested, and as $$$ allows.

Dan

Gordz32
02-19-2006, 04:10 PM
any heads or cam you guys recomend on a med. budget?

muthstryker
02-19-2006, 04:16 PM
doesnt it say what heads and cams they used on there project?

Gordz32
02-19-2006, 05:11 PM
Yea it does, but I just wanted to see if anyone has any other recomendations?

68ls1wannabe
03-07-2006, 09:42 AM
Not to put down the power of the big block but could the same thing be done with the ZZ4 383 crate motor. It's putting out 425 horse with 9.1:1 compression pistons and comes with the fast burn heads. Will the compression be low enough for a pro-charger. I'd like to have this setup intercooled also. What hp do you think? I'd guess at least 600.

speedster
03-07-2006, 10:59 AM
If you ever look at the articles on Wonder Mutt, that is the basic setup.

68ls1wannabe
03-07-2006, 01:47 PM
I did a search and couldn't find anything about wonder mutt. Just some stuff about some people's dogs. What is it and where? Thanks

speedster
03-07-2006, 02:56 PM
I did a search and couldn't find anything about wonder mutt. Just some stuff about some people's dogs. What is it and where? Thanks

For some reason, I can't get the electronic version of the article, but it was in the January 2005 issue of Chevy High Performance:
Wonder Mutt -Our 355ci Mouse makes 765 hp on 91-octane
https://static1.pt-content.com/images/noimg.gif

speedster
03-07-2006, 02:59 PM
Another article is in Super Chevy:
http://www.superchevy-web.com/tech/0412sc_ati/index.html
720 hp from a 383 D1-SC.

68ls1wannabe
03-08-2006, 09:21 AM
My reason for the small block is simple. I have a buddy that wants to sell me a 350 that came out of his latemodel roundtrack car. The motor is freshly rebuilt. Forged internals with at least 12:1 pistons right now. It also has way to much cam for the street. It does have aluminum heads but I can't remember who makes them. I think they are 18 degree with angle plug. It is producing about 600 hp right now. Will this car be streetable with lower comp pistons and a cam specifically cut for the blower? Is $3500 a bad price?

speedster
03-08-2006, 09:36 AM
Sounds like a good deal. Lower compressions and a blower cam grind and you'll be ready. I assume since it is a "race" motor, the bottom end contains a good block, crank and rods.

68ls1wannabe
03-09-2006, 09:09 AM
This motor is going in a 68 camaro with stock front suspension. will the 18 degree heads give me a problem with finding headers that will fit?

speedster
03-09-2006, 10:12 AM
This motor is going in a 68 camaro with stock front suspension. will the 18 degree heads give me a problem with finding headers that will fit?

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