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Srtip intake threat #1574020 02/04/14 02:07 PM 02/04/14 02:07 PM
Joined: Oct 2009 Posts: 440 Canada D Dons Dart OP mopar
Dons Dart OP mopar D Joined: Oct 2009 Posts: 440 Canada	YEP i somehow strip most of the threads on my LD340 intake just 1 out of 4 holes that bolts my carb,i did find a longer bolt that caught some threads and is holding,but who knows how long it will last,so i may as well look into buying a Helicoil kit could someone tell me what size drill bit and coil to get thanks DON.Iam sure someone has been there done that.

Re: Srtip intake threat [Re: Dons Dart] #1574021 02/04/14 02:29 PM 02/04/14 02:29 PM
Joined: Jan 2003 Posts: 904 Berwyn, IL M Moparlar super stock
Moparlar super stock M Joined: Jan 2003 Posts: 904 Berwyn, IL	http://www.amazon.com/Helicoil-5521-5-Co...#productDetails You will need a Letter Q Drill bit http://www.amazon.com/16-18-Coarse-HeliC...elicoil+5+16-18 This set has 3 different length inserts and everything you need to install them

Re: Srtip intake threat [Re: Moparlar] #1574022 02/04/14 02:44 PM 02/04/14 02:44 PM
Joined: Oct 2009 Posts: 440 Canada D Dons Dart OP mopar
Dons Dart OP mopar D Joined: Oct 2009 Posts: 440 Canada	Thanks, the guy at Parts Source was confused buy the Q BIT ? i have to drill out the hole first right than tap than install the coil right.

Re: Srtip intake threat [Re: Dons Dart] #1574023 02/04/14 03:22 PM 02/04/14 03:22 PM
Joined: Jan 2003 Posts: 904 Berwyn, IL M Moparlar super stock
Moparlar super stock M Joined: Jan 2003 Posts: 904 Berwyn, IL	Yes you drill first then tap then put in the insert. A Letter Q Drill is 8.5 MM if that helps

Re: Srtip intake threat [Re: Moparlar] #1574024 02/04/14 03:50 PM 02/04/14 03:50 PM
Joined: Oct 2009 Posts: 440 Canada D Dons Dart OP mopar
Dons Dart OP mopar D Joined: Oct 2009 Posts: 440 Canada	Thank you much.

Re: Srtip intake threat [Re: Moparlar] #1574025 02/04/14 03:56 PM 02/04/14 03:56 PM
Joined: Jan 2003 Posts: 4,722 Moved to N.E. Tennessee GomangoCuda master
GomangoCuda master Joined: Jan 2003 Posts: 4,722 Moved to N.E. Tennessee	Probably won't find a Q bit at the local autoparts HomeDepot or Lowes store. Try a real hardware store or industrial supplier. Or just buy the kit that comes with the bit. Oh and 8.5 MM is less than .003" larger than a Q drill so it should work also. http://www.csgnetwork.com/drillsizeconvert.html Last edited by GomangoCuda; 02/04/14 04:01 PM. In theory, there is no difference between theory and practice. In practice, there is.

Re: Srtip intake threat [Re: GomangoCuda] #1574026 02/04/14 07:37 PM 02/04/14 07:37 PM
Joined: Oct 2009 Posts: 440 Canada D Dons Dart OP mopar
Dons Dart OP mopar D Joined: Oct 2009 Posts: 440 Canada	Quote: Probably won't find a Q bit at the local autoparts HomeDepot or Lowes store. Try a real hardware store or industrial supplier. Or just buy the kit that comes with the bit. Oh and 8.5 MM is less than .003" larger than a Q drill so it should work also. http://www.csgnetwork.com/drillsizeconvert.html thanks.

Re: Srtip intake threat [Re: Dons Dart] #1574027 02/04/14 07:58 PM 02/04/14 07:58 PM
Joined: Oct 2005 Posts: 4,945 WI Dcuda69 master
Dcuda69 master Joined: Oct 2005 Posts: 4,945 WI	Quote: Quote: Probably won't find a Q bit at the local autoparts HomeDepot or Lowes store. Try a real hardware store or industrial supplier. Or just buy the kit that comes with the bit. Oh and 8.5 MM is less than .003" larger than a Q drill so it should work also. http://www.csgnetwork.com/drillsizeconvert.html thanks. 21/64" is .004" smaller and works. I've done it a number of times,especially on a low torque app like a carb mount flange

Re: Srtip intake threat [Re: Dons Dart] #1574028 02/04/14 10:13 PM 02/04/14 10:13 PM
Joined: Nov 2006 Posts: 1,458 oklahoma F forphorty pro stock
forphorty pro stock F Joined: Nov 2006 Posts: 1,458 oklahoma	I prefer studs instead of bolts. There might be some good theads in the bottom that the studs would grab onto.

Re: Srtip intake threat [Re: forphorty] #1574029 02/04/14 10:16 PM 02/04/14 10:16 PM
Joined: Jan 2003 Posts: 43,553 Round Lake Beach, Illinoisy Rhinodart Rhinotruck
Rhinodart Rhinotruck Joined: Jan 2003 Posts: 43,553 Round Lake Beach, Illinoisy	I always use studs even in a cast iron intake. The funny thing about science is that if you change one miniscule parameter you change the entire outcome to the way you want it. JB Rhinehart, Realist A-Body's RULE!

Re: Srtip intake threat [Re: Moparlar] #1574030 02/05/14 11:01 AM 02/05/14 11:01 AM
Joined: May 2003 Posts: 15,487 Florida S scratchnfotraction I Live Here
scratchnfotraction I Live Here S Joined: May 2003 Posts: 15,487 Florida	Quote: Yes you drill first then tap then put in the insert. A Letter Q Drill is 8.5 MM if that helps I will make a note of that size. Q = 8.5 MM what are the other 3? H,X,G ? -the chart shows them but I never know what they are and asking for them is a blank. I keep this chart hanging in my shop. I can get the heli coil kits but rarly find the sales person knows what size bit or where to look. I will looking for the 6.7 MM drill bit today for a 1/4-28 fine thred repair on the pinion yoke. 8027394-helicoilchart.jpg (106 downloads) Last edited by scratchnfotraction; 02/05/14 11:08 AM.

Re: Srtip intake threat [Re: scratchnfotraction] #1574031 02/05/14 11:55 AM 02/05/14 11:55 AM
Joined: Oct 2009 Posts: 440 Canada D Dons Dart OP mopar
Dons Dart OP mopar D Joined: Oct 2009 Posts: 440 Canada	Once i get the job done i will get those studs for-sure what do i ask for 5 1/6 studs? tell me something once the hole is tap,why could we use the new threads instead the coil? what length will i need as well i have a holley dont want to get 1 too short. Last edited by Dons Dart; 02/05/14 12:20 PM.

Re: Srtip intake threat [Re: Dons Dart] #1574032 02/05/14 01:14 PM 02/05/14 01:14 PM
Joined: May 2003 Posts: 15,487 Florida S scratchnfotraction I Live Here
scratchnfotraction I Live Here S Joined: May 2003 Posts: 15,487 Florida	on my LD4B intake I did that, I drilled/tapped to next size stud size and got studs that where larger on one end and normal carb stud size on the other. or you can go to the next size bolt/stud... but you want to check carb flange to see if they will need inlarged. for a long time on my LD4B the outer carb stud holes were striped and I used the inside holes to bolt the edelbrock carb on and even used a squarebore to spredbore adaptor in the inside holes on intake flange

Re: Srtip intake threat [Re: scratchnfotraction] #1574033 02/05/14 03:30 PM 02/05/14 03:30 PM
Joined: Jan 2003 Posts: 16,376 D dogdays I Live Here
dogdays I Live Here D Joined: Jan 2003 Posts: 16,376	You can do it even easier. None of this pi$$in& around with bit sizes. BUY A HELICOIL KIT! It has everything you need, the helicoils, the drillbit and the tap. It'll cost you about $50, although I have bought for a lot less on the 'bay. After you're done, you can buy more loose coils to do more holes. R.

Re: Srtip intake threat [Re: dogdays] #1574034 02/05/14 07:54 PM 02/05/14 07:54 PM
Joined: May 2003 Posts: 15,487 Florida S scratchnfotraction I Live Here
scratchnfotraction I Live Here S Joined: May 2003 Posts: 15,487 Florida	Quote: You can do it even easier. None of this pi$$in& around with bit sizes. BUY A HELICOIL KIT! It has everything you need, the helicoils, the drillbit and the tap. It'll cost you about $50, although I have bought for a lot less on the 'bay. After you're done, you can buy more loose coils to do more holes. R. I would agree...but you get what you can in a one horse town. not all kits come with the drill bit. not all places order kits in...just common sizes for the bulk racks. the pack of inserts are a varity of sizes with other only being in a common size. I have been to 2 countys looking for the kit with a bit..no kit for a 1/4-28 to be had.. with or with out the drill bit. so now I am looking around on the bay now. amozon may have something if I get that far into looking.

Re: Srtip intake threat [Re: scratchnfotraction] #1574035 02/06/14 12:52 PM 02/06/14 12:52 PM
Joined: Jan 2005 Posts: 1,466 malvern, ohio 3 3ddart pro stock
3ddart pro stock 3 Joined: Jan 2005 Posts: 1,466 malvern, ohio	Check-out McMaster-Carr, they sell small orders to individuals

Re: Srtip intake threat [Re: 3ddart] #1574036 02/06/14 02:16 PM 02/06/14 02:16 PM
Joined: Oct 2009 Posts: 440 Canada D Dons Dart OP mopar
Dons Dart OP mopar D Joined: Oct 2009 Posts: 440 Canada	Were can i buy a decent set in Canada.

Re: Srtip intake threat [Re: Dons Dart] #1574037 02/06/14 02:28 PM 02/06/14 02:28 PM
Joined: May 2003 Posts: 6,562 Downtown Roebuck Ont Twostick Still wishing...
Twostick Still wishing... Joined: May 2003 Posts: 6,562 Downtown Roebuck Ont	Any decent parts store ie Carquest NAPA even Partsource if they don't have them in stock, can order the kit in. Where are you located? Kevin

Re: Srtip intake threat [Re: Twostick] #1574038 02/06/14 04:29 PM 02/06/14 04:29 PM
Joined: Oct 2009 Posts: 440 Canada D Dons Dart OP mopar
Dons Dart OP mopar D Joined: Oct 2009 Posts: 440 Canada	Twostick Belleville Canada

Re: Srtip intake threat [Re: Dons Dart] #1574039 02/06/14 05:20 PM 02/06/14 05:20 PM
Joined: May 2003 Posts: 6,562 Downtown Roebuck Ont Twostick Still wishing...
Twostick Still wishing... Joined: May 2003 Posts: 6,562 Downtown Roebuck Ont	Here's what you need. They sell just the coils too. http://www.canadastoolcrib.com/cgi/CGP2S...691737592542421 CLA-DOR Industrial Supply Co. Ltd. 122 Parks Drive, Unit F, Belleville, Ontario Canada K8N 4Z5 Phone: 613-969-6292 ~ Fax: 613-966-6963 Email: sales@clador.com If you know Don Dulmage, he is in your area and might be able to help you out too and he is a MOPAR guy. Kevin

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