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post #1 of 18 (permalink) Old 01-03-04, 07:13 PM Thread Starter
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EB 5.0 - which alloy heads?

lookin at doing heads on my car some time this year.. alloy ones, maybe edelbrock... what are good ones for an eventual 300kw?? (that'l be with stroking, but that coming much later)

i dont wanna pay heaps either..

later gonna do cam, intake manifold, maf/tb, to match(and hopefully pull 230+kw), but i'm gonna start with heads/HR rollers..

gimme some suggestions with rough price estimates..


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post #2 of 18 (permalink) Old 01-03-04, 08:05 PM
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Re: EB 5.0 - which alloy heads?

Heads for a 347/300kw will be a problem for your 5.0litre.
You must set yourself a budget for your heads..........So what is your budget?

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post #3 of 18 (permalink) Old 01-03-04, 08:21 PM
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Re: EB 5.0 - which alloy heads?

AFR 165's would be my pick if I was changing heads again. They still have a small port volume to keep velocity and torque up but flow really well too (around 250cfm from memory). They cost around $2500 for a set last time I saw them.
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post #4 of 18 (permalink) Old 01-04-04, 12:09 AM
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Re: EB 5.0 - which alloy heads?

185cc for 347 gives you room to grow..TFS's T.W are slightly cheaper but no cnc...

Don't be afraid to try something new. Remember, amateurs built the Ark...Professionals built the Titanic!
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post #5 of 18 (permalink) Old 01-04-04, 01:58 AM
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Re: EB 5.0 - which alloy heads?

You will need something like AFR185's especially if you are going to stroke it.

You mentioned cheap, well, they are not as cheap as the rest, but they are the best out of the box street head available. Big power never comes cheap. How much do you want to spend?
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post #6 of 18 (permalink) Old 01-04-04, 03:07 AM Thread Starter
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Re: EB 5.0 - which alloy heads?

i dont know what to expect for prices, hence my question... but 3 grand should cover it yeh?

whats the going *rough* price for a set of AFR185cc then?

edelbrock performer 5.0 heads can be had for just over 2g with valves/springs.

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post #7 of 18 (permalink) Old 01-04-04, 03:25 AM
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Re: EB 5.0 - which alloy heads?

I had to port my Edelbrocks to make 300kw with a 302

My AFRs cost $3,000, but they cost about $200 more than that now.

If you get stud mount heads you will also need stud mount roller rockers. (if you have RR's now, they are most likely pedistal mount) You really need stud mount if you want 300kw to support the stronger springs and revs required.

Like i said, its just money. How fast do you want to go?
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post #8 of 18 (permalink) Old 01-04-04, 04:29 AM
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Re: EB 5.0 - which alloy heads?

ive got the same questions to get 300kw from a 302w ef xr8 but im not going to stroke, what would be the best heads to use the afr 165's

Blown Boss 377rwkw


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post #9 of 18 (permalink) Old 01-04-04, 06:16 AM Thread Starter
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Re: EB 5.0 - which alloy heads?

yeh i was expecting that kind of price Racer. accoording to AFR ~1750US for the 165s with valves/springs and 25 more for the 185s. ideally, my 300kw figure will be attained with 347 cubes and hopefully under 6 grand.. if it means, say, i get only 280kw after stroking coz i gotta run a conservative cam and redline at lower revs then so be it. i dont want a screamer, just a nice strong street motor. but right now, i jsut want good heads that i wont have to upgrade later on.

how fast do i want to go? faster than i am going now. want to hit low 14s after doing heads/intake/cam/RR/TB/MAF, and later low 13s. one step at a time tho, and my first step is heads. AFR 185s seem to be the go yeh?

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Previous ride: EBII V8 Manual Ghia spring roll.
Current ride: 1970 ZC 351 Fairlane Custom.. (estimated 350ftlb @ 2000rpm.. max torque 420ftlb at 4500rpm.. with standard exhaust manifold!)
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post #10 of 18 (permalink) Old 01-04-04, 03:20 PM
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Re: EB 5.0 - which alloy heads?

http://www.protopline.com

Would have to be best bang for buck at under $2k...

Don't be afraid to try something new. Remember, amateurs built the Ark...Professionals built the Titanic!
.
Tuned & maintained by "Peppertree Perfmormance". Dart block, Scat 4340 steel crank, Custom C.P pistons.Oliver rods.. Mal Wood twin plate clutch.. Twin SC61/2's,482 rwkw/ 645 rwhp..
Passengers, myocardial infarction material..
R.I.P Possum...
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