The V8 Owners Forum -

Problem solved. I ordered Harland Sharp roller rockers with 1.65 ratio.
Pushrod end needs to be 5/16
Rocker bodies were out of stock, so those are ready to ship in 6-7 weeks.

472USD+shipping.

minorv8 wrote:I think I still have a set of new steel rockers. I live in Helsinki so if you are interested I can try to find them.

Great I have set of steel rockers from blue box in my shed and set of adjustable pushrods. If yours are some other brand i'm interested.

Thank for other replies also.

How strong are they? i have turned in lathe rocker shaft hole bigger for bronze bush. Assembled with new rocker shafts. First time i did this was twelve something years ago for 3.5 carb engine. Good upgrade in my mind. No problems with 3.5 efi with hurricane cam and stock valve springs after four ye...

How deep pistons are at TDC in undecked RV4.6?

In my tophatted 4.6 pistons are 0.2mm above deck at TDC because i want them that way.
Going to use composite gasket so piston
to head clerance is going to be approx 1mm. Am i right?

need4speed wrote:It's definately not the gauge as I've just learned this morning it pressurised so much it blew a hose off!

Faulty radiator cap? Coolant system pressure is limited by radiator cap about 1bar.

Because moreless 100bhp/litre output in orginal engine with those heads.

Difficult question...yes it is. I'm looking any experience / knowledge about this. Trying to avoid mechanical/hydraulic race cams. Maybe i play safe and use "stump puller" cam and RE85.

No reason to buy shares. If detonation is a problem i can use RE85 (85%ethanol15%petrol) but i prefer 98 octane

Hello. I'm rebuilding RV8 4.6 Top hat linered block, deck skimmed->stock pistons 0.2mm above deck at TDC. 4.6 heads with stage 3 valves and some porting. Hedman hedders and single exhaust. MS2 v2.2 for 98 octane petrol delivery with wasted spark ignition. Looking for bottom and mid range torque. Any...