I've got my bottem end ready to assemble and my heads are on my currant 454. The truck is done and has been for about 4 years, check out the link to see picts. If you have any photo's of belt and pully orentation that would be great.ħ7 Chevy Stepside Soon to have a Procharged 505, The truck is a really heavy 3960 now with a BBC in it and with the procharger will probably gain another 100lbs. I've got most 0f the cash set aside for the pro charger hopefully after the holiday's are over I will be able to pick that up. Racepumps mechanical BBC Fuel injection pump Hydralic Roller cam but after seeing those number's maybe a sollid roller. NOS Fogger system with 150 shot for intercooling Merlin 320 Rect Port Heads 2.30 Stainless Intake Valvesīarry Grant 850 Annular Discharge carb that's getting sent back and retro fit to Blow Through carb Product Engineering boost reference 2 port regulatorīot that sound's great I'm putting together a combo similiar for my stepside it's a 489 BBC, but I have not quite put together all of the peices yet here is what I've got so far.īBC 4.280 Bore Mark 4 block zero decked and line honed That pull was with the timing locked out at 24` total, and through a loose converter and a TH-400 tranny. I was only able to make one measurable pass due to a very lean condition that occured under heavy boost, but I am still happy with my numbers. I also replaced the stock head gasket with a very thick Cometic gasket, which reduced my static compression to 9.2:1.

Since then I have added ARP head studs, and swapped out my unknown cam for a Compcam blower cam. The first time I went I was unable to make a complete pull, as there was a head-lifting problem occuring at 6000 RPM.

Extreme velocity carb hat