05-06-2021, 03:10 PM
|
#1 |
|
Senior Member
Join Date: Jan 2012
Location: Lanexa Va
Posts: 254
|
piston fit
ok old timers I purchased a NOS set of JAHNS 3 ring pistons at a swap meet and have no paper work to show piston fit. They look like cast Pistons looking on the inside of the skirts where I found the manufactures mark (JAHNS). any idea where I should clearance the piston to wall fit. I'm using them in a 53 Mercury flathead build. stock all the way as for heads and intake nothing hoped up
just a good street engine for my F1 Ford truck |
|
|
|
05-06-2021, 03:52 PM
|
#2 |
|
Senior Member
Join Date: May 2010
Location: Charlotte NC KiWi-L100 available here
Posts: 2,953
|
Re: piston fit
John these are probably not a good street pistons. They were a racing pistons back in the day that needed extra clearance for racing and their design. They are soft and scuff easily. Forged racing style pistons made today like. Ross can be run much tighter and run on street with zero issues. Personally I would not run these on the street period. Just my two cents.
|
|
|
|
| Sponsored Links (Register now to hide all advertisements) |
|
|
|
05-06-2021, 04:06 PM
|
#3 |
|
Senior Member
Join Date: May 2010
Location: Wa.
Posts: 5,403
|
Re: piston fit
Those are old POOR quality race pistons. They need at least .005 clearance and will be noisy for the street. Oil control will be marginal.
|
|
|
|
|
05-06-2021, 06:45 PM
|
#4 |
|
Senior Member
Join Date: May 2010
Location: Chester Vt
Posts: 8,854
|
Re: piston fit
They make really nice ash trays, but very few people smock now. Buy a set of Eggts, set at .002
|
|
|
|
|
05-06-2021, 07:33 PM
|
#5 | |
|
Senior Member
Join Date: May 2010
Location: Above the gnat line in Georgia
Posts: 7,009
|
Re: piston fit
Quote:
__________________
Life is like a roll of toilet paper. The closer to the end, the faster it goes. It is better to be seen, than viewed. "We sleep safe in our beds because rough men stand ready in the night to visit violence on those who would do us harm". |
|
|
|
|
|
05-06-2021, 07:36 PM
|
#6 |
|
Senior Member
Join Date: May 2010
Location: Wa.
Posts: 5,403
|
Re: piston fit
Sponsored Links (Register now to hide all advertisements)
|
|
|
|
|
05-09-2021, 07:15 PM
|
#7 |
|
Senior Member
Join Date: Jan 2012
Location: Lanexa Va
Posts: 254
|
Re: piston fit
that's what I thought they might be, ashtrays it is .. thanks guys
|
|
|
|
|
05-10-2021, 08:56 AM
|
#8 |
|
Senior Member
Join Date: Jun 2014
Location: Williamsburg, VA
Posts: 1,627
|
Re: piston fit
John, I will stop by in the coupe to pick up an ashtray; I need a new bad habit. The engine you built is running beautifully since I finally sorted out the mess I made of the ignition (crappy spiral wound spark plug wires).
|
|
|
|
 |
«
Previous Thread
|
Next Thread
»
| Thread Tools | |
| Display Modes | |
Linear Mode
|
|
| Sponsored Links (Register now to hide all advertisements) |
|
|
All times are GMT -5. The time now is 01:01 AM.