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Will grinded cam last without any heat/surface threatment? Have been using R-cam in my dailydriver with 40DHLA:s with 36 chokes and dynoed 146hp but now aiming to get little more hp. Hoping to get nearly 160hp. Should R-cam support that hp or should i get little bit more agressive cam? Have been run...

should not be a problem, Chevy used guides that was a part of the head (cast iron) and some aftermarket valves was stainless (as in my car). when the guides was worn you either knurled the guides or put in separate ones. Mark: chevy used in original configuration valve seals that allowed for a cert...

Are stainless steel valves suitable to use in B20 original cast iron guide?

Valves are 38mm 214n stainless with chromed stems.
Same valves o think that KL-racing have in category.

If suitable to use with cast iron guide,how much there should be clearance valve to guide?

Steve skrev: ↑lör nov 23, 2024 12:57 am Try sending a PM to The

viewtopic.php?t=36366

Done,hopefully he can help me. And thanks to you too!

Do someone have SRE -618 bolt/dovel pattern to share?

Just a few thoughts about this idea There is no surplus "used oil" to be extracted from the rod bearings. If you make it easier for the oil to escape from the bearings it will have a negative impact on oil pressure in the bearings. Which you probably will not be able to see on the gauge s...

Planning doing 4 oil grooves/side in H-rod big end thrust face to extract used oil and lubricate cylinder walls and piston pin. Any thoughts about that kinda idea? OIt should not effect oil pressure compared to using narrow rod big ends with piston steered rods? Subject is B20 with 85mm stroke grind...

The skrev: ↑ons nov 08, 2023 10:34 pm Det är en 240mm?

228mm har jag för iallafall, och 215mm kanske.

Yes its for 240mm disc.

Do someone know 883082999707 pressureplate bolt/location pin circle/pattern?

I'll stick my neck out and say that you could use either one of them. And the difference will not be that big. The squish distance might be a more important decision, but the size and design of the squish surfaces together with CR ratio will influence what distance will work best. There are several...

What is max cr with R-cam and 98 fuel?

My options are ~11.4 with 0.8 gasket and 0.8mm squish,
~11.2 1mm gasket and 1mm squish and ~10.85 with 1.2mm gasket and 1.2mm squish.

Stock Volvo B20 works fine. Erland Thats too easy and simple. :lol: I allready have Isky double springs with dampers for Datsun A12 engine and i gonna try those, 46.5kg seat pressure and 88.5kg full lift. Made centering washer 4.5mm thick under the spring so now i can get 36mm assemblyheight and my...

Jens Gustavsson skrev: ↑tis sep 26, 2023 7:27 pm max race rpm?

7000rpm limiter.

Those Scat springs i used to shim 47.5/85kg and worked niçe. Except cracking and pretty poor quality.

What valvesprings are best/good quality to use with R-cam? I have been using Scat single springs 2 years now but when took the head of for more modifications found one spring cracked. Snapped in half when twisting it by hand. Thank god it didnt snapped totally in the dyno week before. I have measure...

Erland Cox skrev: ↑tor apr 06, 2023 9:38 pm You can just round the corners, that should be enough.
I do not think that you need groves in the rods as long as you have some side play. 0,25mm should be enough.

Erland

Okay and thanks again