|
Sponsored Links (Register now to hide all advertisements) |
|
|
Thread Tools | Display Modes |
12-10-2013, 10:28 AM | #1 |
Senior Member
Join Date: May 2010
Location: Richmond, VA
Posts: 339
|
Firing Order: Y-Block Police Interceptor Camshaft
My engine builder tells me that the Police Interceptor camshaft had a different timing sequence than the stock cam. True? Anybody know?
I acquired an Elgin grind that was represented as their version of the Police Interceptor, but my builder tells me that once he installed it in my 272 motor, this cam has the same timing order as stock, and he was surprised. Can anybody shed light on what he's talking about? I had never heard of the firing order changing from camshaft grind to grind. Thanks. Pete Richmond, VA |
12-10-2013, 10:54 AM | #2 |
Senior Member
Join Date: Jul 2011
Location: Redondo Beach, CA
Posts: 5,849
|
Re: Firing Order: Y-Block Police Interceptor Camshaft
I think your engine builder has been smoking Fan Belts. There has never been a change in Y-Block firing order unless someone ground a custom cam for some reason that eludes me way??
Unless your builder is referring to VALVE TIMING as opposed to IGNITION TIMING in which case an Intercetor cam should be different than stock. I don't know the specs but for example the intakes opening sooner, more duration, etc. Last edited by Y-Blockhead; 12-10-2013 at 11:06 AM. |
Sponsored Links (Register now to hide all advertisements) |
|
12-10-2013, 10:54 AM | #3 |
BANNED
Join Date: Jul 2010
Location: Balto.Md
Posts: 382
|
Re: Firing Order: Y-Block Police Interceptor Camshaft
Pete
You mention firing order,timing sequence and timing order. These are all different cycles and events connected to a cams function. If you are just curious about the firing order,it would be the same as stock in a Police Interceptor engine. Oldmics |
12-10-2013, 10:57 AM | #4 |
Senior Member
Join Date: Jun 2010
Location: Detroit suburb, MI
Posts: 3,706
|
Re: Firing Order: Y-Block Police Interceptor Camshaft
The only firing order change I know of in Ford V8's is between the 289/302 and the 351 Windsor. The 351 Windsor had a unique firing order.
|
12-10-2013, 11:22 AM | #5 |
Senior Member
Join Date: May 2010
Location: Richmond, VA
Posts: 339
|
Re: Firing Order: Y-Block Police Interceptor Camshaft
He was referring to firing order.
|
12-10-2013, 09:52 PM | #6 |
Senior Member
Join Date: Feb 2011
Location: SW WA state.
Posts: 564
|
Re: Firing Order: Y-Block Police Interceptor Camshaft
Sponsored Links (Register now to hide all advertisements)
__________________
1956 Ford Fairlane Town Sedan 292 V8 with Ford-o-Matic |
12-11-2013, 10:03 AM | #7 |
Senior Member
Join Date: May 2010
Location: St. Michael, Minnesota
Posts: 1,713
|
Re: Firing Order: Y-Block Police Interceptor Camshaft
I think Herman Munster has the best advice! I would never mention anything like that in passing. I would open a book to find out the answer.
|
12-11-2013, 10:19 AM | #8 |
Senior Member
Join Date: May 2010
Location: Kingman Az. 86409
Posts: 419
|
Re: Firing Order: Y-Block Police Interceptor Camshaft
Maybe he was thinking he had a scrub motor cam with the 7-4 firing order change? I agree with Herman Munster & Old Don.
__________________
Dan Kingman Az. 86409 |
12-11-2013, 11:16 AM | #9 |
Senior Member
Join Date: May 2010
Location: Lancaster, CA
Posts: 917
|
Re: Firing Order: Y-Block Police Interceptor Camshaft
Y Block firing order has never been changed... my two cents
__________________
Lancaster, California Visit hotrodreverend.com to view hundreds of pictures and videos of the build of the 1955 Ford Club Sedan! |
12-12-2013, 08:49 AM | #10 |
Senior Member
Join Date: Nov 2012
Location: Central Texas
Posts: 155
|
Re: Firing Order: Y-Block Police Interceptor Camshaft
The scrub engines with the 7-4 swap makes it the same firing order as the YBlock and the Flat head V8. Depending upon the year you're looking at for the camshaft timing specs, then the 1957 YBlock 2V & 4V specs should be in the ball park for the Police Interceptor specs. See if these values for the '57 camshaft helps. IO-18 BTDC, IC-58 ABDC, EO-66 BBDC, EC-10 ATDC.
Ted Eaton. |
|
|
Sponsored Links (Register now to hide all advertisements) |
|