Search results for query: *

Here's before and after data from the same port on a stock Speedmaster SBM head, not CNC'd. Before: OOTB stock 15/45/60/90 valve job with Ferrea 30/45 valve, 90.2% throat. No modifications to port or chamber. After: Intake valve shifted 0.060", exhaust valve shifted 0.080". Valves sunk...

Been working on this port for 5-6 months now as time allows. The objective is primarily to learn, so I take liberties with epoxy and clay that would not work at all in a running engine. My goal is this - to find the flow limits of a 2.02 valve and to learn why flow increases stop. After all...

Does anyone know of a reduced diameter head stud for the SBM? I have seen them for motorcycles and a few other auto engines, but can't find anything for the Mopar. It would have to be 1/2-13 on one end, reducing to 7/16 or less on the smooth shank and top threaded portion. Looking for a way...

In the flow testing I have done, I have always been able to find some flow increases around the valve guide. Get it right and there are 10 cfm on the top end and a few cfm throughout the range. Behind the guide accounts for about half of that. I have always found a knife edge airfoil shape...

Here's back to back tests of a stock SBM OOTB Trick Flow 190cc CNC port and a non-professionally hand ported Speedmaster 186cc port. TF has stock 45 deg valve angle. SM has 50 deg valve angle with valves sunk 0.090". No swirl meter on the first two tests. Swirl meter was used for the last...

You have to be part nerd to enjoy this stuff, so if you ain't nerdy you should probably close this post. Most of the lessons I learned here were 'duh' moments, but 'duh' moments with data seem to make sense to me. Anyway, this all started with wondering about the calibration of my pitot tube...

Here's some pictures you might find thought provoking. These are side by side intake port molds of an OOTB SBM Edelbrock RPM head and a Trick Flow 190. Also a pic of the TF intake bowl. I was a little blown away by the bowl design downstream of the guide on the TF. Looks like this design is...

Here's a little information that some may find interesting. I'm doing some porting and flow bench work on a SBM Speedmaster head with 2.02 valve and 50 degree seats. After about 0.500/0.550 lift, the flow backs up. I'm working on the SSR and here's some data I've gathered. The attached...

I would like to replace the intake valve seat inserts in a small block Speedmaster head. Current valve size is 2.02. Anyone have any part number or supplier references? Existing seat outside diameter appears to be about 2.185" and thickness around 0.350.

Here's a little data on out of the box small block mopar Edelbrock 6077 and Speedmaster 1654 heads, side by side comparison, intake port for cylinder 2 or 7. Port volume: E-172cc, SM-175cc Average intake throat diameter: E-1.816, SM-1.827 Throat diameter to valve diameter ratio: E-89.9%...

Here's a little flow bench data that may be of interest. I was curious about the effect of changing the back cut angle on intake valves, so here's the test: Out of the box Speedmaster small block mopar head (cylinder position 1 or 8) 2.02 intake valve Test pressure: 28 in Hg Test 1: Stock...

The cam in my 360 is installed 4-5 degrees retarded. This weekend I hope to advance the cam several degrees. I plan to use this gasket set for the repair work: 1973 PLYMOUTH CUDA Fel-Pro TCS45284 Fel-Pro Timing Cover Gaskets | Summit Racing Are there any tricks to getting a good, leak proof...

I‘ve spent hours looking through the old posts on this subject, but I have found very little real first hand information on installing an OD trans in an early A. I am not interested in a Gear Vendors unit, or on information about 67 and up OD installs. Is there someone in FABO land that has...

Looking for a factory radio bezel/surround for a 65 Dart.

I'm looking for correct factory radio knobs for a 1965 Dart GT. Can someone please post a picture? Are the knobs the same for a 1965 Coronet?

Working on a 1965 Dart with 360. Problems with low idle vacuum, especially in gear. In gear, the most vacuum I can get is 9 in at 850ish rpm, and engine is struggling against the converter. The vacuum advance is just starting to come in at 7-8 in and would be all in at 14. I have slowly...

Anyone have a diagram that shows the correct location of the inner shaft seal on an 904 transmission speedometer gear? I'm struggling with how deep to push the seal and the metal C clip. Looks like there are two shoulders inside the housing, thus two possible depths for the seal. I have a...

Working on a 1965 Dart with 360 and TTI headers. The oil filter adapter is leaking severely upon cold start up. The existing adapter is aluminum. Is there any benefit to replacing the aluminum with an iron adapter? I have to pull it off to change gaskets and mounting bolt anyway.

Hello all, I’m working on a 1965 Dart with a 360 engine, Edelbrock Performer RPM heads. I need to loosen/remove the passenger side header to work on an oil filter adapter leak. Do I need to drain the coolant? I spoke with Edelbrock tech support, and they told me the outer two bolt holes are...