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how much rwhp 

 

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 Post subject: how much rwhp
Posted: Tue Jul 04, 2006 3:08 pm 
Getting Side Ways
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hi im building a 302cleveland i would use a 351 crank but cant seem to find
a decent priced one here in nz so keeping the 302 crank just wondering how much power would i expect with this combo

Weiand Xcellerator
650dp holley
2V heads close chamber (later on boss heads)
mild cam(not sure which any ideas?)
FMX
and pacemaker headers, straight through twin 2,1/2" pipes
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Posted: Tue Jul 04, 2006 3:13 pm 
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At a guess I'd say you could see a comfertable 160-190rwkw maybe

 

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Posted: Tue Jul 04, 2006 8:49 pm 
Tyre Shredder
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Ride: F350, EF2 Ghia, XC & Corty

Power: 218 rwkw

Location: Wangaratta
VIC, Australia

why not buy a cheap stroker kit?
I beam rods, cast crank, cast pistons.
roughly $800 -$1200 + balancing and block machining

 

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 Post subject: Re: how much rwhp
Posted: Tue Jul 04, 2006 9:47 pm 
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Troy wrote:
hi im building a 302cleveland i would use a 351 crank but cant seem to find
a decent priced one here in nz so keeping the 302 crank just wondering how much power would i expect with this combo

Weiand Xcellerator
650dp holley
2V heads close chamber (later on boss heads)
mild cam(not sure which any ideas?)
FMX
and pacemaker headers, straight through twin 2,1/2" pipes

How much work have the heads had done?
I'll be honest mate, if you're not doing much to the heads then don't expect a big gain, and for another the carb is WAY too BIG, that will drown a 302... i'd go back to a 600 Vac sec
The heads you are running are only stock 302 anyway, if they've been ported then you could gain decent HP if they've had a good job done on them.
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Posted: Wed Jul 05, 2006 1:14 am 
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Try this setup :

302 stock compression
with this crane blue racer cam CD224-52(http://www.cranecams.com.au/caminfo/fordcl7082.htm
Clean up the heads (up the valvesprings to suit cam and use single groove valves)
Weiand 2V 7516
650DP Holley
Twin 2 1/4" system

The above makes power to 5500rpm with a edelbrock performaner. Turns 163rwkw. Without extractors and using a stuffed dizzy (bent shaft doh!) ;) Add head work, keeping valve sizes the same, the extractors and the weiand I reckon you'll be a tad above 180rwkw.

Brenden

 

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Posted: Wed Jul 05, 2006 8:32 am 
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As i said here in newzealand prices arent that cheap i cant even find a stroker kit let alone a cheap one.. know any sites?
thanx brenx thats what i need to know so i could keep my standard heads but work them sum? theres a good place down the road that will do them but a bit costly will have to save some. think ive got a 600 holley somewhere
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Posted: Wed Jul 05, 2006 9:32 am 
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A 600vac sec won't fuel the engine I decribed.

 

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Posted: Wed Jul 05, 2006 11:20 am 
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But a 650dp will? how come others say its to big or is it all in the cam and the heads, intake for size of carb
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Posted: Wed Jul 05, 2006 11:36 am 
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A 600 Vac feeds a mild 351 with ease, some people like to go bigger, but bigger isn't always better.
To be honest, all the 302C's i have driven have been slugs, even with work done they just seem to have something missing, 302W are a different story.
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Posted: Wed Jul 05, 2006 11:42 am 
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Walker wrote:
A 600 Vac feeds a mild 351 with ease, some people like to go bigger, but bigger isn't always better.
To be honest, all the 302C's i have driven have been slugs, even with work done they just seem to have something missing, 302W are a different story.


The above combo I've driven all over Victoria. I can even tell you it gets 450-480k's per tank ;)

Vac sec carbs might work on windsors but clevo's like dp carbs.

 

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Posted: Wed Jul 05, 2006 4:26 pm 
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450k's in what? what size tank is that, been on the 1/4 mile with it?
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Posted: Wed Jul 05, 2006 5:45 pm 
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In this
Image

No idea on 1/4 after the mods were done. It ran 15.2 stock. Diff ratio is 3.5:1 also.

 

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Posted: Wed Jul 05, 2006 7:15 pm 
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f**k nice car wish i could get my hands on a shell like that to do up :?
stuck with an xe for now
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Posted: Wed Jul 05, 2006 7:29 pm 
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It's in pieces again and also has a 351 now. He wrote his other XB off so he pulled the 302 and fitted the 351. The 351 puts out 255rwkw.

He pulled it apart as he wasn't happy with the job. He's never happy and is a perfectionist when it comes to body work. I'm pretty sure it's being sprayed in 2 pack now. I was out with him a few weeks ago buying a 17cfm compressor.

 

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Posted: Wed Jul 05, 2006 11:49 pm 
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find yorself at set of 2v heads and kit them out with 4v valves, springs etc thats a good start and a 3/4 race grind on your cam with a set of forged flat top p[istons and your on your way for the crank try a place call uncle sams US imports i think they are still operating in perth i think?

 

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boss 260 with BPT motorsport tune helix tower power spacer C.A.I kit 25% under drive kit cat back twin 2.5" exhaust 250-260kw at the rears

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