Well sometime last week I dropped the car off to have some dyno tuning done, and to find out the fruits of my labor over the past few years. It took him about a week, but he finally got it done and I must say that I am quite satisfied. Here is the breakdown of my engine again....

383 Stroker
Forged Eagle crankshaft
Forged Eagle 6.0 in rods
Forged Mahle pistons
AFR 195 street cylinder heads
COMP cams hyd roller retrofit camshaft .520/.540 236/242 106 IC 110 LSA
Performer RPM Air Gap manifold
Edelbrock 1407 750 CFM manual choke carb
10.2:1 compression
Crane roller rockers
Full MSD ignition
Hooker Super Competition Long tube headers
4 in Mufflex exhaust

He made the final run yesterday and it made 419.08 wheel horsepowr and 430 Ft LBS to torque at the rollers. here is a link to the actual printout...

http://www.daewootech.com/forum/albu...hp?pic_id=2381

Talking to the dyno guy he seems to estimate that the engine is making about 495 or so HP at the crank which really isn't too far off from the total power output of the build. I was actually looking to make less power due to the carb and the fact that I have accessories on the engine. The engine built by AFR more than likely did not have any accessories on it and I figured a 500HP motor with about 10HP parasitic loss from the water pump, 10HP loss from the alternator, and another 10HP loss from the power steering pump would result in a *real world* output of about 460-470HP at the crank. With that being said, getting 420 to the wheel is a blessing in this case. He also told me that if I were to switch over to a Holley, I would probably pick up another 10-20 RWHP and the tuneability would be better and hold longer. He also recommended to go with an 850 CFM model instead of a 750CFM cause this engine like to breathe alot more, and that the 750 would be better suited to a 350 or a milder 383 than what I have. All I can say is that I am happy with it, it only cost me $400 to get it done and it rides and drives alot *cleaner* if you will. Anyway, just thought that I'd share with everyone else that this engine combination lives up to it's claims and puts out what it is supposed to. Thanks for reading the post, and as always all comments and opinions are welcomed!!!

 

approximately how much does a build like that set a man back?

 

wow, sounds like a stout setup! 419HP at the wheels sounds like it'll keep ya pleased for a while, haha.

...30HP drain from all your accessories? never knew it was that much.

 

get a 750dp and watch those numbers step up

 

Well, I had the shortblock built by a machine shop in Tennessee. It was a place called Revolutionary Machine and Performance. I got the 4 bolt main block, hydraulic retrofit camshaft, forged internals and an internal balance job with shipping for about $2800. The AFR heads set me back $1500, the retrofit roller lifters came in at about $400. The rest of the stuff came off of my 350 that blew when the # 4 intake valve hit the piston, broke off, and grenaded the engine. If I had to guess I would say that the whole engine probably cost me about $7000 maximum.

Well I'm not completely sure that it is exactly a 30 HP loss from the accessories. I used that as a ballpark worst case parasitic drain figure. I was looking for *real world* power numbers in the end.

That is another matter altogether. If you were to visit AFR's site and saw the dyno graphs you would see that they did in fact use a Holley 750 DP carb on their engine. The guy told me that my Edelbrock carb was a "pile" and that I would make more power with the Holley, somewhere in the tune to an extra 10-20 RWHP. When I asked the dyno guy about using the 750 DP, he said that I would actually be better off using something a little bigger like an 850 CFM unit. He said that the enigne takes in alot of air, and that it would also be a beter choice if I ever decided to use nitrous. In the end the engine is putting out about 1.3 HP per cubic inch and price vs power is $14/HP. All in all I am very pleased with the power potential, and I can't wait until I get my new 9 inch Ford rear with a Detroit locker to make use of all the power. Right now the 3.42 open diff doesn't really give me the seat of the pants feel that I would expect from this car. But I'm gettin there....

 

If you need more airflow, then you would see bigger gains from a different carb. If the eddy is tuned properly, I wouldnt be surprised to see very little gain come from the holley carb. A carb is simple, as long as it provides enough airflow and enough fuel, peak hp is usually pretty darned close. Its the "other" areas that the difference is usually seen/felt.

 

https://www.thirdgen.org/forums/carb...arb-carb.html?