Anything you guys would change on my 383?

[Tom]

Since Im rebuilding it, I thought I might as well run the combo by you guys and see what you think, and if you see anything you think needs changing. Here it goes:

-4bolt block .030" over [yes Ive had a 377 the entire time without knowing it ]
-TRW forged flat tops, about 11:1 compression
-stock 5.7" rods, rebuilt with ARP bolts
-SCAT 9000 cast stroker crank
-comp cams 280H magnum [280* advertised, 230@ .050, .480" lift. This is one component Im looking at switching for a solid lifter unit]
-comp cams lifters+pushrods
-Z28 heavy duty valvesprings
-vortec heads
-comp cams roller tip rockers
-victor intake
-holley 750DP
-Hei with MSD blaster 2 coil and 6a box
-1 5/8" primary, 3" collector headman headers [those might need to be changed too]

O yeah....this thing is gona rock. After I get the rear end and slicks done I'll add the 200hp shot of NOS and see what happens.

[TIMSPEED]

I wouldn't go with the Vic, unless you plan on running about a 3000 stall converter, and even then I'd rather run a Performer RPM Air-Gap

[PhilaTruck]

If you're going to the trouble and expense to rebuild, I wouldn't use NOS as an afterthought. With NOS, exhaust is as important as intake and the timing events need to reflect that to take full advantage of the increase. Take a look at Comp Cams ground especially for nitrous, like the NX274H-13.

[Devil'S Ride]

Definetly what Timspeed said, make sure your cam is set for the nitrous, also, I would go with the Performer RPM, I have used several other intakes, but the RPM is by far my favorite.

-Devil

[BADGMC]

Looks to be ok if you like running 100 octane all the time. I'd keep it to 10:1 and run a comp XS274 cam. Also a 200hp hit is going to be a gamble as I would never do it with any type of stock parts in a small block even with good rod bolts. It may never hurt it but it might not live through the first pass. Seen it happen a few times and its not pretty.

[1FaastC10]

Tom, i'd go with 10.2:1 with the XS274, that should give you a DCR of around 8.1:1, which should do just fine on 92 octane withthe Vortec chamber design and some careful tuning with the timing.

[rage'nrat638]

going with solid lifters ....run the MSD 6AL it has the rev limiter built in...you just change the chips

[Moloko]

Buy the Scoggin Dickey vortec heads, they already have the higher lift z28 springs and LT4 retainers installed and they are about 520 a pair. You can actually buy a whole kit from them including the heads, edelbrock air gap vortec intake, rockers, pushrods, bolts, and gaskets all in one kit for around 1000.

[Tom]

I already have the heads with springs ready for .550" lift, amchine work and all

I ran a RPM with this motor for a long time, but since I dont care about power below 3000rpm I traded for the vic since it should make more power then the RPM above 3K. Im thinking a dual pattern cam is a good idea too for the NOS. Re-thinking it a 100hp shot is the biggest I'll go for now, when new forged crank and rods are ready then I'll go bigger.

And tim- Autos suck :p Manual tranny's rule!!!!

[78' Silverado]

I'd change the heads to AFR heads :P