Speed-Talk is running on www.Speed-Talk.com

IMPORTANT: Update your bookmarks to https://www.speed-talk.com/forum/
(Right-click the URL and select "Bookmark this link")

Search found 44 matches

by RT Machine
Tue Sep 14, 2021 7:59 am
Forum: Engine Tech
Topic: Can a steel flywheel be machined?
Replies: 22
Views: 738

Re: Can a steel flywheel be machined?

Let me clear up some myths about machining flywheels here. I make steel flywheels for custom applications etc, they are made from 1010 or 1020 steel plate. It does,nt matter how much heat and abuse a steel flywheel receives - it is still easy to re - machine on a lathe, even if you use HSS cutting t...
by RT Machine
Sun Sep 12, 2021 3:25 am
Forum: Engine Tech
Topic: static vs dynamic compression ratios
Replies: 35
Views: 1387

Re: static vs dynamic compression ratios

I worked with a Ford Engineer in Australia who used to be in charge of prototype engine calibration in the UK. He told me many things that went on in the dyno test cells etc They always measured DCR and combustion pressures etc with transducers in the combustion chamber. The OEM,s monitor every par...
by RT Machine
Sat Sep 11, 2021 5:51 am
Forum: Engine Tech
Topic: static vs dynamic compression ratios
Replies: 35
Views: 1387

Re: static vs dynamic compression ratios

I worked with a Ford Engineer in Australia who used to be in charge of prototype engine calibration in the UK. He told me many things that went on in the dyno test cells etc They always measured DCR and combustion pressures etc with transducers in the combustion chamber. The OEM,s monitor every para...
by RT Machine
Tue Jul 27, 2021 7:33 am
Forum: Engine Tech
Topic: SB2.2 Fuel Pump Diaphragm
Replies: 2
Views: 175

Re: SB2.2 Fuel Pump Diaphragm

leahymtsps wrote: Tue Jul 27, 2021 6:21 am CV is now Xceldyne and they still sell rebuildable billet pumps and have parts.
800-448-1223

Tom
Many thanks Tom.
by RT Machine
Tue Jul 27, 2021 5:05 am
Forum: Engine Tech
Topic: SB2.2 Fuel Pump Diaphragm
Replies: 2
Views: 175

SB2.2 Fuel Pump Diaphragm

Need help locating replacement diaphragm for SB2.2 Nascar engine 2006 Pump is CV Products part no. 5505 - 24 Searching on line no luck so far, a Holley part we have looks similar, but the spring spec etc is unlikely to be correct. I think CV is no longer in business. Any info greatly appreciated. Ch...
by RT Machine
Sun Jan 24, 2021 6:51 am
Forum: Engine Tech
Topic: Fel Pro rear seal issues
Replies: 37
Views: 5931

Re: Fel Pro rear seal issues

Regarding Felpro SBC rear main seal leaks, is it the seals or is it the surface finish on the new cranks ? Maybe some of the cheaper crankshaft manufacturers are paying little attention to the RA on the seal area. Everyone here hates RM leaks with a passion right ? Before i install a new crank, I pu...
by RT Machine
Sat Jan 02, 2021 6:15 am
Forum: Engine Tech
Topic: PCV Air Oil Separator or Catch Can
Replies: 18
Views: 1129

Re: PCV Air Oil Separator or Catch Can

The M/E Wagner one linked above is the one that caught my attention. I like the idea... not so much the price. What can I say- when you need it......no more oil in the plenum and I'm sure tuning is easier without any oil migration into the cylinders- less anyway. don't overlook working on the valve...
by RT Machine
Fri Jan 01, 2021 1:19 pm
Forum: Engine Tech
Topic: PCV Air Oil Separator or Catch Can
Replies: 18
Views: 1129

Re: PCV Air Oil Separator or Catch Can

Thanks for the link, that is a real nice item, looks like quite a bit of development and test work has gone into it.
by RT Machine
Fri Jan 01, 2021 6:38 am
Forum: Engine Tech
Topic: PCV Air Oil Separator or Catch Can
Replies: 18
Views: 1129

Re: PCV Air Oil Separator or Catch Can

steve cowan wrote: Fri Jan 01, 2021 5:46 am I have not done much with PCV set-up in a performance application,I don't have any links but I have read it here on the forum.
Cheers Steve.
by RT Machine
Fri Jan 01, 2021 5:05 am
Forum: Engine Tech
Topic: PCV Air Oil Separator or Catch Can
Replies: 18
Views: 1129

Re: PCV Air Oil Separator or Catch Can

20210101_190824.jpg20210101_190840.jpg20210101_190910.jpg20210101_190917.jpg I ran this set up for a few years with no issues, I wanted to plumb a vac u pan setup into the catch can but running a full exhaust system might not of benefited using a vacuum u pan so I didn't bother. Thanks Steve, looks...
by RT Machine
Fri Jan 01, 2021 3:57 am
Forum: Engine Tech
Topic: PCV Air Oil Separator or Catch Can
Replies: 18
Views: 1129

PCV Air Oil Separator or Catch Can

I have always used oil catch cans for performance street/ strip cars, but they are a bit large in some applications. Is a PCV oil / air separator better than a catch can ? given that it is pulling a small vacuum on the crankcase. Moroso make a small air / oil separator , that is very compact compare...
by RT Machine
Wed Dec 02, 2020 4:36 am
Forum: Engine Tech
Topic: MSD Distributor Drive Gear type
Replies: 3
Views: 398

Re: MSD Distributor Drive Gear type

Again far from an expert, but it has always been my understanding that you should use a distributor gear that is softer than the camshaft gear. Idea being if you wipe out a gear it's easier to replace the distributor gear than to replace the camshaft or cam gear. I think iron on iron is ok, it's wh...
by RT Machine
Mon Nov 30, 2020 8:43 pm
Forum: Engine Tech
Topic: MSD Distributor Drive Gear type
Replies: 3
Views: 398

MSD Distributor Drive Gear type

Hi, can someone please tell me if a MSD SBC ready to run distributor [ recent purchase ] has an Iron gear that is nitrided as standard ? And is it this part no. with following spec :- P.N. 8531 Outer hardened layer 55 to 60 HRC Micro polished Ductile /SG iron Melonite QPQ Coated And if this is what ...
by RT Machine
Thu Sep 24, 2020 6:08 am
Forum: Engine Tech
Topic: 202ci intake manifold ideas
Replies: 32
Views: 1208

Re: 202ci intake manifold ideas

Sidedraft Webers are pretty hard to beat for tuneability and fuel distribution right ? especially on a Holden 6.
Is the setup more about the look ? Don,t get me wrong - different is great !
by RT Machine
Fri Jul 10, 2020 7:30 am
Forum: Engine Tech
Topic: Gen 1 SBC oil filter bypass
Replies: 22
Views: 1254

Re: Gen 1 SBC oil filter bypass

This filter bypass can't cause higher pressure than what the pump pressure relief allows, even if the filter is collapsed and completely blocked. Exactly, and this valve is really a pressure differential valve , if you have had any hydraulics experience, you will know this, when the oil is cold and...