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-   -   which heads to pick? (https://www.offshoreonly.com/forums/general-q/273691-heads-pick.html)

zeke 04-03-2012 10:05 AM

which heads to pick?
 
Im getting a 581 with Je flat top pistons my cam specs are:
[email protected]
Int. 258
Exh.262
Lift is .629 on both
Lobe sep. is 114
which heads would you guys pick? thanks.

MEANGREEN231 04-03-2012 12:35 PM

I have heard good things about RHS. I just ordered two sets for my motors, so we will see, fingers crossed. Everything I read as far as build and dyno pulls shows dang good numbers, even compared to heads that cost waaay more.

Rookie 04-03-2012 02:40 PM


Originally Posted by zeke (Post 3655078)
Im getting a 581 with Je flat top pistons my cam specs are:
[email protected]
Int. 258
Exh.262
Lift is .629 on both
Lobe sep. is 114
which heads would you guys pick? thanks.

What are your goals? Off the shelf or custom ported?

GPM 04-03-2012 03:09 PM

Looks like a Whipple cam.

zeke 04-03-2012 03:57 PM

my goals are whatever is cheapest with the most amount of power. I think the cam come from bob

Jeff P31 04-03-2012 04:06 PM

Going with a blower ? What kind of power are you looking to make ? There is nothing cheap when you start building big inch motors .That said the cheapest part is the short block . just saying

dereknkathy 04-03-2012 05:22 PM

fast, cheap, durable. choose any two. those inches though you need fairly big chambers. even N/A.

GPM 04-03-2012 05:35 PM

Brodix BB2 xtra CNC BP BB-2 X TRA
(CNC Ported) 2.300 Intake 183 235 294 340 376 395
1.880 Exhaust 134 177 216 247 268 280

Jeff P31 04-03-2012 05:45 PM

Good blower cam but to much compression with flat top's for a blower . :poopoo:

zeke 04-03-2012 05:56 PM

its going N/A. Im not scared to spend the money but Im just like everyone else id like to find a deal
id like to see 750hp out of it


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