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i have 2 vacuum secondary 600 cfm 1850 holley's i can send you, i'll rebuild both of em, if you would like to trade for the 650. im building a 302 thats gonna see some heavy dose's of nitrous, and is more of a street strip application, big cam and such. one was running on my 289 '66, my daily...

but thats my point. dont you guys see the potential of these motors? with the right set of cams, and a set of 330+cfm heads (milled for good compression and quench.), a 5.4+ l motor would have some SERIOUS 550+ hp potential. and for pretty cheap too. how much is a JY 5.4? the things not gonna be...

i understand the CID thing, but what about compression? you could easily get compresssion up to 11.5:1, and retain very streetable manners. the same thing with a "7k rpm race motor". the car i built is a stock long block ls1. it does it EVERY DAY. and you guys have OHC. he daily drives a camaro...

you act like its a FEAT to get 525hp out of a 280+ cubic inch motor. plain and simple the head flow just ISNT there. bone stock 5.0 heads flow in the 160cfm range on the intake. same with the 2v 4.6 heads. ls1 heads flow around 240cfm stock. with the extra cubes sure its easy to take advantage...

yea... but i can take a stock ls1, spend 300 bucks on a set of pace setter headers 700 on a cam do whatever exhaust i wanted and a 100 air lid and make 430hp to the wheels. i just built and tuned an ls1 making 445hp to the WHEELS with UN TOUCHED stock heads. thats with a fast 92mm intake and an...

i think its HILARIOUS how you guys are FIRST off so damn afraid to turn wrenches on your cars. and SECOND seem to think that N/A power is MORE EXPENSIVE than FORCED INDUCTION is plain wrong. SURE, to bolt on a supercharger and make 410 to the wheels on an ENTIRELY stock engine, but once you...