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Pro Topline Heads (RHS) | Chevy Nova Forum
WEBJun 4, 2010 · RHS heads are very nice pieces to start with as Chad said. The quality has improved quite a bit since the old Pro Topline days for sure! Buy them and grow into them.
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"HIGH" Port Cylinder Heads | Chevy Nova Forum
WEBNov 29, 2022 · If they are actual Pro TopLine cylinder heads....those are very good cylinder heads, better than Dart. PRoTopline was bought up by Racing Head Service …
Pro Topline Heads (RHS) | Page 2 | Chevy Nova Forum
WEBMar 1, 2005 · These heads would be good trading stock, you might be able to swap them for something more appropriate, or sell them for more than you paid for them and put the …
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Promaxx cylnder head reviews | Chevy Nova Forum
WEBJun 1, 2017 · I have been looking on Skip Whites web site and am considering a set of promaxx 185 64cc aluminum cyl heads for a hyd roller 383. Does anyone have any first …
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ALL Pro heads? | Chevy Nova Forum
WEBOct 1, 2007 · I'm running a set of 245cc AllPro heads Uratchko and Bishcoff developed. They went 370cfm on the BES bench and 372 on my machinist superflow bench here in …
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2.02 vs 1.94 valves... - Chevy Nova Forum
WEBSep 8, 2006 · Some heads will flow more air with a 1.94 valve than a 2.02. On some designs, a 2.02 valve can be partially shrouded and restrict flow. I had a 383 in the 90's …
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Patriot heads vs AFR vs Pro filer heads | Chevy Nova Forum
WEBSep 29, 2009 · From what I've seen with the two heads in question I think the Pro Filer would sure give the AFR head a run for the money. With the increased CSA at the push …
421 sbc , 14 degree pro topline heads , prepping for dyno
WEBMar 12, 2012 · i'm gonna start saving pennies for a set of heads like these ,, these did almost as well as the 13 degree dart heads that had the intake valves shift to 11 degree …
RHS Vortec Heads | Chevy Nova Forum
WEBApr 27, 2006 · Before there was RHS it was called Pro-Topline and Joe Sherman used Topline heads to make high horspower engines. Topline had lots of Quality control …
Cylinder Head Casting Numbers, What's junk and what's not..
WEBFeb 7, 2007 · Vortecs are a Great flowing head compared to the older GM designs, and pretty cheap at around $550 for the pair (new). I see them selling used for $150-300/pair …
Headers for a 72 sbc for square port and angle plugs
WEBJul 12, 2008 · This is w/ Pro Topline AL heads w/ angle plugs. Need to run the small head plugs and take a 5/8 spark plug socket and cut down to about 1 inch long. Slide over …
427 sbc. heads to small? | Chevy Nova Forum
WEBJul 16, 2013 · One of my personal favorite 23-degree cylinder heads for a 427 - 440 SBC is the Ron's Porting Service 238cc Dart Pro 1. He starts with a 215 and runs his own …
My Budget 307 Build! (three oh Haters GTHO!) - Chevy Nova Forum
WEBJun 29, 2009 · The durable iron cylinder heads process healthy amounts of air to deliver strong torque across the rpm range and great mid-range horsepower. Delivered as a …
3782870 - 327 with 14022801 heads | Chevy Nova Forum
WEBAug 30, 2020 · Alex's Parts sells a drop-on spring and retainer kit for Vortec heads that allows .550" lift with stock uncut valve guides. it isn't a beehive either. Flat tappet …
Power Products Cylinder Heads | Chevy Nova Forum
WEBJan 9, 2015 · Has anyone ever heard of and the of course used aluminum heads under the name Power Products? The are distributed by a company called Competition Products. I …
Advice on heads for my 327 | Chevy Nova Forum
WEBMay 19, 2019 · A good set of aftermarket heads is probably the best addition for making power on a sbc other than power adders such as turbos, nitrous or blowers especially …
RHS Pro action heads | Chevy Nova Forum
WEBJun 11, 2007 · Any one know much about RHS pro action heads?? They seem to fow good 200 and 220cc, and price is not real bad. Thinking that they might make a good head for …
What Head Gaskets with aluminum heads should be used?
WEBJul 21, 2020 · Trying to decide on what head gasket to install with Edelbrock aluminum cylinder heads. Felpro 1003 Fel-Pro Performance Head Gaskets 1003 or Felpro 1010 …
deck height ? 307 build | Chevy Nova Forum
WEBJan 24, 2013 · To achieve a static compression ratio of 9.5:1 with your 307, Pro Comp heads, and flat-top pistons you will need to bore the cylinders +.030" (3.905"), zero deck …
Rectangular port BB head vs Round port, whats the deal?
WEBSep 27, 2010 · It's all about velocity and selecting a cylinder head that is the best match (size) for your engine's needs. Too big of a cylinder head on a smallish engine that's …
Heads? Flotek 180cc or Edelbrock E-Street 185cc for my 327?
WEBMay 19, 2021 · Head gaskets: Fel-Pro 1094, Compressed Thickness 0.015”. Cylinder heads: In Sweden where I live the Flotek 180cc and the Edelbrock E-Street 185cc have …
Procomp heads... Need opinions | Chevy Nova Forum
WEBJun 23, 2015 · Hi everyone, I found these heads on Craigslist and wanted to know if any of you have opioins on procomp heads, good or bad. My next motor build these would be …
Head Question | Chevy Nova Forum
WEBNov 27, 2009 · Can anyone tell me if these heads are any good? Casting numbers are 3911032. I know they are a 307/327 head with small intake valves but what kind of …
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