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 Post subject: heads
Posted: Tue May 23, 2006 7:10 pm 
Oompa Loompa
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hey is it worth putting 4v heads on a standard 3o2 cleveland ?
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 Post subject: Re: heads
Posted: Tue May 23, 2006 7:26 pm 
Getting Side Ways
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steve2208 wrote:
hey is it worth putting 4v heads on a standard 3o2 cleveland ?


waste of time

cheers

 

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Posted: Tue May 23, 2006 9:23 pm 
Getting Side Ways
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Yep power from 7000 to 9500 ...
Do it !!!!

 

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Posted: Tue May 23, 2006 9:38 pm 
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If it were a Windsor i'd say go for it.
If you plan on doing a lot of work on the Clevo then yeah maybe, the 4V are good for top end and so is a short stroke.
Personally, i like the 2V closed chamber heads.
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Posted: Tue May 23, 2006 9:40 pm 
Getting Side Ways
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What about if you plan on bolting a massive turbo onto the side? I'm sure when it comes onto boost it will pull harder then brendan tomas.
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Posted: Wed May 24, 2006 9:56 am 
Getting Side Ways
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xcabbi wrote:
What about if you plan on bolting a massive turbo onto the side? I'm sure when it comes onto boost it will pull harder then brendan tomas.



to what gain as the guy said stock standard cleveland , think not

2V close chambers heads and camshaft , exstracters , exhaust system would do this less than $1500 will make the engine nice and streetable

hate to see the costs associated with this huge turbo bolt on

cheers

 

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Posted: Wed May 24, 2006 12:18 pm 
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You'll get a power increase but you've got to remember camshaft selection for a 4V engine is very different to a 2V engine. Mainly due to the port size.

It's a myth that 4V's don't flow @ low rpm. In stock for they don't even flow up high. They are designed for mild applications 180-230rwkw. Once ported though they're good for around 250-300rwkw without going too overboard engine wise.

Most common 4V setup is :

351/4V/F246 solid which makes 220-240rwkw with a stock head. On a 302 you'd probably loose 10-20rwkw.

 

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Posted: Wed May 24, 2006 1:41 pm 
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Yeah the F246 was awesome, the Motorsport cam was good, also the Isky FL-380.
I still have a brand new FL-380 sitting in the garage, they were 560 lift and 250 @ 50 dur.
My mate ran all 3 cams in his 4V Clevo and performance wise they were closely matched.
If i don't build another Clevo i'm going to flog all my goodies off, got ARP Main stud kit and head bolts, rollers, cam and a few other bits.
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Posted: Thu May 25, 2006 11:40 am 
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Walker wrote:
Yeah the F246 was awesome, the Motorsport cam was good, also the Isky FL-380.
I still have a brand new FL-380 sitting in the garage, they were 560 lift and 250 @ 50 dur.
My mate ran all 3 cams in his 4V Clevo and performance wise they were closely matched.
If i don't build another Clevo i'm going to flog all my goodies off, got ARP Main stud kit and head bolts, rollers, cam and a few other bits.




Yes ur right the most common thing clevo guys did all copy cats LOL

u dont need the massive V4 heads the 2V closed chamber 302 heads will make easy 450bhp and upto 500bhp with a decant port and polish and the usual 4V valve transplant

there are quite a few camshafts out there now take a pick LOL

cheers

 

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