Crossover blockoff - Moparts Forums

Register Log In Moparts Forums Moparts Question and Answer Crossover blockoff

Print Thread

Crossover blockoff #683532 04/29/10 10:04 AM 04/29/10 10:04 AM
Joined: May 2003 Posts: 126 Westchester, NY J JM67RT OP member
JM67RT OP member J Joined: May 2003 Posts: 126 Westchester, NY	I just got a MP bathtub gasket (stamped Fel-Pro btw ). It comes with 2 plates to block the heat crossover. How do you attach them? RTV? Also, coating both sides with gasgacinch, good idea? Thanks

Re: Crossover blockoff [Re: JM67RT] #683533 04/29/10 11:32 AM 04/29/10 11:32 AM
Joined: Jul 2009 Posts: 209 Arkansas beatupcuda enthusiast
beatupcuda enthusiast Joined: Jul 2009 Posts: 209 Arkansas	I would think the gasgac would work everywhere. 68 Hemi 4 speed Cuda,,,,building ?

Re: Crossover blockoff [Re: beatupcuda] #683534 04/29/10 11:49 AM 04/29/10 11:49 AM
Joined: Aug 2003 Posts: 848 Avondale AZ Prodart440 super stock
Prodart440 super stock Joined: Aug 2003 Posts: 848 Avondale AZ	I would not use the plates to block the crossover. Summit sells a gasket that has it blocked already. Aaron 68 Roadrunner 383/AT 69 Dart GT Conv. 383/AT 05 Dodge Ram 4x4 Cummins 06 GoManGo R/T Daytona #757 68 Coronet 440

Re: Crossover blockoff [Re: Prodart440] #683535 04/29/10 02:19 PM 04/29/10 02:19 PM
Joined: Jan 2003 Posts: 21,076 Niles , Ohio T therocks oh wait.but hey.lets see.oh yeah.
therocks oh wait.but hey.lets see.oh yeah. T Joined: Jan 2003 Posts: 21,076 Niles , Ohio	I agree.Get the one thats solid.I never liked the one with the little plates.Rocky Chrysler Firepower

Re: Crossover blockoff [Re: therocks] #683536 04/30/10 06:21 AM 04/30/10 06:21 AM
Joined: Jan 2005 Posts: 4,862 the frozen wastes... Pale_Roader Swears too much
Pale_Roader Swears too much Joined: Jan 2005 Posts: 4,862 the frozen wastes...	The Fel-Pro (1215 i believe) is a one-piece tin pan thats blocked off too. Thats what i've always used. Too easy.

Re: Crossover blockoff [Re: Pale_Roader] #683537 04/30/10 06:27 AM 04/30/10 06:27 AM
Joined: Nov 2004 Posts: 843 Suffolk,VA I ireland383 super stock
ireland383 super stock I Joined: Nov 2004 Posts: 843 Suffolk,VA	1214 for 383 and 1215 for 440

Re: Crossover blockoff [Re: ireland383] #683538 04/30/10 12:55 PM 04/30/10 12:55 PM
Joined: May 2003 Posts: 126 Westchester, NY J JM67RT OP member
JM67RT OP member J Joined: May 2003 Posts: 126 Westchester, NY	Thanks everyone, I ordered the 1214 and I'll send the MP back to Summit.

Re: Crossover blockoff [Re: JM67RT] #683539 04/30/10 08:09 PM 04/30/10 08:09 PM
Joined: Nov 2006 Posts: 1,459 oklahoma F forphorty pro stock
forphorty pro stock F Joined: Nov 2006 Posts: 1,459 oklahoma	Yeah, i ordered the MP pan years ago. Assumed it was like the Fel-pro. Boy, was i dissapointed when i opened the box and saw a regular pan with two square pieces of metal provided

Re: Crossover blockoff [Re: forphorty] #683540 04/30/10 08:15 PM 04/30/10 08:15 PM
Joined: Nov 2007 Posts: 21,831 Kirkland, Washington Pacnorthcuda Too Many Posts
Pacnorthcuda Too Many Posts Joined: Nov 2007 Posts: 21,831 Kirkland, Washington	I never understood the two pieces of THICK (about .031 as I recall)metal and how that was supposed to work with out cracking the manifold or leaking terribly. As others have stated, the Felpro 1215 (for the 440) is the way to go!

Re: Crossover blockoff [Re: Pacnorthcuda] #683541 04/30/10 08:50 PM 04/30/10 08:50 PM
Joined: Mar 2005 Posts: 1,545 Seattle, WA 3 375inStroke Special needs person
375inStroke Special needs person 3 Joined: Mar 2005 Posts: 1,545 Seattle, WA	I've been known to cram a bunch of foil in the crossover.

Re: Crossover blockoff [Re: 375inStroke] #683542 04/30/10 09:19 PM 04/30/10 09:19 PM
Joined: Aug 2008 Posts: 1,568 Omaha, Nebraska Scott Carl pro stock
Scott Carl pro stock Joined: Aug 2008 Posts: 1,568 Omaha, Nebraska	Please forgive my ignorance, but I'm getting ready to do some of the first real engine work I've done in many years. What is the advantage of blocking the crossover? More over, what is the dis-advantage of leaving them open? Thanks, and sorry for the hi-jack

Re: Crossover blockoff [Re: Scott Carl] #683543 04/30/10 09:27 PM 04/30/10 09:27 PM
Joined: Nov 2004 Posts: 843 Suffolk,VA I ireland383 super stock
ireland383 super stock I Joined: Nov 2004 Posts: 843 Suffolk,VA	If you use your car in the colder months a lot it warms up faster. If not it can boil the gas at the carb in certain setups.

Re: Crossover blockoff [Re: ireland383] #683544 04/30/10 09:29 PM 04/30/10 09:29 PM
Joined: Nov 2007 Posts: 21,831 Kirkland, Washington Pacnorthcuda Too Many Posts
Pacnorthcuda Too Many Posts Joined: Nov 2007 Posts: 21,831 Kirkland, Washington	Quote: If you use your car in the colder months a lot it warms up faster. If not it can boil the gas at the carb in certain setups. There is also the HP factor. A colder air/fuel charge is denser--makes more power. The colder intake/carb will make more power.

Re: Crossover blockoff [Re: 375inStroke] #683545 04/30/10 09:34 PM 04/30/10 09:34 PM
Joined: Jul 2008 Posts: 30,451 Florida STAYcation dOoC The village idiot's idiot
dOoC The village idiot's idiot Joined: Jul 2008 Posts: 30,451 Florida STAYcation	Quote: I've been known to cram a bunch of foil in the crossover. I think a BESTer idea is to just FILL the crossover in the intake with some junk aluminum piston that you melted down. And I read about that HERE ...on moparts !

Re: Crossover blockoff [Re: Pacnorthcuda] #683546 04/30/10 09:36 PM 04/30/10 09:36 PM
Joined: Aug 2008 Posts: 1,568 Omaha, Nebraska Scott Carl pro stock
Scott Carl pro stock Joined: Aug 2008 Posts: 1,568 Omaha, Nebraska	Ah! OK, thanks guys!! Consider mine blocked!

Re: Crossover blockoff [Re: Scott Carl] #683547 05/01/10 01:32 PM 05/01/10 01:32 PM
Joined: Apr 2010 Posts: 1,216 Under My Car Mopar_Country pro stock
Mopar_Country pro stock Joined: Apr 2010 Posts: 1,216 Under My Car	You might notice a slightly longer warm up period from a cold start. The crossover blocked may not be real noticeable on a daily driver, but it can add a tenth at the track.

Re: Crossover blockoff [Re: Mopar_Country] #683548 05/01/10 01:50 PM 05/01/10 01:50 PM
Joined: Mar 2008 Posts: 106 PA U unclemike member
unclemike member U Joined: Mar 2008 Posts: 106 PA	If you are running an unmolested stocker you need not worry because the crossover cokes shut thanks to Mopar sloppy valve stem clearances. As to anything from MP they cranked the prices up to insane levels to make up for sagging car and truck sales. If the quality was there it might be worth it but ...

Moderated by Al_Alguire, Hotwheelsjr, moparts, not_a_charger, RangerDan440, tboomer

Hop To

Powered by UBB.threads™ PHP Forum Software 7.7.1