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67 383 cly head bolt sealant and lube #990879 05/12/11 09:57 AM 05/12/11 09:57 AM
Joined: Feb 2009 Posts: 342 dracut mass usa S sparcy OP enthusiast
sparcy OP enthusiast S Joined: Feb 2009 Posts: 342 dracut mass usa	swaping a set of rebuilt heads onto my 67 383 schould I put thread sealant on bolts around water jacket bolts ? I have arp sealant and arp lube . I heard not to run a tap down the bolt holes takes off to much metal ? going to reuse factory bolts just a stock rebuild . I got felpro gaskets 8519 pt-1. any thoughts ? thankyou IF YOU ARE NOT WRECKING STUFF YOU ARE NOT LEARNING !

Re: 67 383 cly head bolt sealant and lube [Re: sparcy] #990880 05/12/11 10:02 AM 05/12/11 10:02 AM
Joined: Jan 2003 Posts: 21,070 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: 21,070 Niles , Ohio	My machinist uses a self bottoming thread chaser not a tap.A regular tap wont bottom in the block.Make sure the thread hole is clean.I spray brake clean and use compressed air to blow the hole out.No sealer needed just lube.Use ARP spec to torque with lube.Rocky Chrysler Firepower

Re: 67 383 cly head bolt sealant and lube [Re: sparcy] #990881 05/12/11 10:07 AM 05/12/11 10:07 AM
Joined: Jan 2003 Posts: 75,004 U.S.S.A. JohnRR I Win
JohnRR I Win Joined: Jan 2003 Posts: 75,004 U.S.S.A.	I wouldn't use that head gasket, it's twice as thick as stock so it's going to lower your compression, unless that is why you are using them. As said no sealer , BB head bolt holes are DRY.

Re: 67 383 cly head bolt sealant and lube [Re: JohnRR] #990882 05/12/11 10:55 AM 05/12/11 10:55 AM
Joined: Jan 2003 Posts: 21,070 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: 21,070 Niles , Ohio	John without knowing comp etc or what he wants from the motor they will work.For just a cruiser he shouldnt have any problems.Myself Id use 1009s unless he wants to up the compression.Rocky Chrysler Firepower

Re: 67 383 cly head bolt sealant and lube [Re: therocks] #990883 05/12/11 11:37 AM 05/12/11 11:37 AM
Joined: Jan 2003 Posts: 75,004 U.S.S.A. JohnRR I Win
JohnRR I Win Joined: Jan 2003 Posts: 75,004 U.S.S.A.	Quote: John without knowing comp etc or what he wants from the motor they will work.For just a cruiser he shouldnt have any problems.Myself Id use 1009s unless he wants to up the compression.Rocky He sent me a PM , switching from closed chamber heads to open chamber, he's going to need all the help he can get if it has stockish flatops.

Re: 67 383 cly head bolt sealant and lube [Re: JohnRR] #990884 05/12/11 12:04 PM 05/12/11 12:04 PM
Joined: Jan 2003 Posts: 21,070 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: 21,070 Niles , Ohio	I agree thats about a point drop.But if its just a cruiser it should still be ok.They were rated at what about 10 to 1.Rocky Chrysler Firepower

Re: 67 383 cly head bolt sealant and lube [Re: JohnRR] #990885 05/12/11 12:13 PM 05/12/11 12:13 PM
Joined: Apr 2008 Posts: 301 California C court9155 enthusiast
court9155 enthusiast C Joined: Apr 2008 Posts: 301 California	Quote: I wouldn't use that head gasket, it's twice as thick as stock so it's going to lower your compression, unless that is why you are using them. As said no sealer , BB head bolt holes are DRY. What headgasket do you recommend? Do you know what the mopar kit comes with cuz thats what I got...and its not steel shim.. Dan 67 charger

Re: 67 383 cly head bolt sealant and lube [Re: court9155] #990886 05/12/11 12:38 PM 05/12/11 12:38 PM
Joined: Nov 2004 Posts: 843 Suffolk,VA I ireland383 super stock
ireland383 super stock I Joined: Nov 2004 Posts: 843 Suffolk,VA	Quote: Quote: I wouldn't use that head gasket, it's twice as thick as stock so it's going to lower your compression, unless that is why you are using them. As said no sealer , BB head bolt holes are DRY. What headgasket do you recommend? Do you know what the mopar kit comes with cuz thats what I got...and its not steel shim.. Dan Mopar Performance P4286754 from Summit .020 compressed thickness. The standard Felpro 8519 is .039 Last edited by ireland383; 05/12/11 12:41 PM.

Re: 67 383 cly head bolt sealant and lube [Re: therocks] #990887 05/12/11 02:23 PM 05/12/11 02:23 PM
Joined: Jan 2003 Posts: 75,004 U.S.S.A. JohnRR I Win
JohnRR I Win Joined: Jan 2003 Posts: 75,004 U.S.S.A.	Quote: I agree thats about a point drop.But if its just a cruiser it should still be ok.They were rated at what about 10 to 1.Rocky The 4bbl is rated at 10.0 butit'se more like 9.2 at best, so depends on what engine he is starting with .

Re: 67 383 cly head bolt sealant and lube [Re: therocks] #990888 05/12/11 11:58 PM 05/12/11 11:58 PM
Joined: Nov 2003 Posts: 36,040 Lincoln Nebraska R RapidRobert Circle Track
RapidRobert Circle Track R Joined: Nov 2003 Posts: 36,040 Lincoln Nebraska	Quote: thread chaser not a tap..Make sure the thread hole is clean.I spray brake clean and use compressed air to blow the hole out. "thread chasing" tap which is a diff type than a regular thread cutting type of tap, not just the flat bottom/clean hole when done/clean the bolts and I wet the threads w 30 eng oil then blow em off w shop air . If ARP (or similar) I'd use their lube/torque live every 24 hour block of time like it's your last day on earth

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