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TWs have shorter intake runner length, if they had the same length that AFR has it would be closer to the AFR185 head. AFR165 flow very close to AFR165 so the air will be moving faster through the smaller AFR port, which should make for more area under curve & better throttle response. It...

Is this Dude willing to back his claims or just accepting your stacks of cash?

Seek out Scorpion brand rockers they are an excellent bang for buck! If you're using stock cam get 1.7 or 1.72 ratio.

At an absolute minimum you should installing a new timing chain (the one I listed can be used with stock stuff) and roller rockers no matter heads you chose. Stock stamped steel rockers are crap but you could always perform this upgrade later. Edelbrock use pedestal mount rockers so you can...

"90notch, you didn't factor in the $200 for stud mount RRs your going to need and new valve covers to clear them. The nice thing about the thumpers is they will bolt on fine without you having to buy anything but gaskets." He should be buying a set of roller rockers no matter head he gets but...

I think you're wasting your time spending money on ported E7s and should wait until you the cash to buy a good set! My car was a daily driver and much much more fun to drive with TWs than ported stockers. Edel 60379 - $1140 from summit used Cobra intake - $200-$250 Cloyes replacement...

Do it right the first time and save your cash until you can buy a good set of heads! Don't waste your money on ported stockers, they're fun but when others with better heads keep beating you you'll want more. Weve all been there. Best thing you can do is keep doing research then put a plan...

You're friend needs to lay off the rock!

S most likely is just safety so you should need emissions this year. Not sure what .480 of lift has anything to do with emissions, its the amount overlap and duration along with condition of motor that dictates the emissions. If this is a B303 you are not going to pass emissions and no one...

Springs are a very important part of the combo, you shouldn't toss an old set of racing springs that have a inner spring in there without knowing what the rates are. The 986 spring is different than stock springs but many have complained about them still being too soft for that cam. Most run...

Buy some really really cheap oil and pour it through the engine where you think it might have fallen to see if it flushes it out. I'd also buy one of those magnetic telescopic tools and stick down the lifter vallet holes. As much as it sucks I would not run the motor without finding that piece...

If I may paraphrash Ed Curtis "I use a Performer with 165s for street because it outperforms all other similiar design intakes".

"Do you mean .... Hydraulic Flat Tappet instead of a Hydraulic Roller ??" No I mean hyd roller camshaft: $325 FTI $290 Buddy Rawls $295 HiTech are prices I've seen, most solid rollers I've seen are less

Sorry the price I quoted was for a hyd roller not roller

Guys who make big power and rev stock heads up high all use low lift, high duration cams and lazy lobes. Like I said you need to get the timing events right. Custom should run you roughly $300 +/- $50 depending on who you go to. Try Ed at FTI he has spec'd many cams for stock heads and...

"I want a radical idle with big top end power" Getting those heads to make any power up high in that motor is going to need dead on timing events...custom without question!

Stock cam is supposed to have 0.444" lift with 1.6 rockers so: 0.444/1.6 = 0.2775" lobe 0.2775 * 1.7 = 0.472"

Somehow find a way to wedge a LS7 under the hood. :drool: http://motortrend.com/autoshows/coverage/112_05_detas_corvette_zo6/

I just don't see how everyone spends $$ on bolt ons but is convinced that spending another $100 or $200 on probably the most important part that brings everything together is a waste of time? Cam companies have some knowledgeable people working for them and if you get one (big if here) they can...

There is no formula to calc boost, you calc what rpm it spins at then go to boost curve to find boost.