Stripped Head Bolts: Cheapo Repair
#1
Stripped Head Bolts: Cheapo Repair
Hello everyone!
I just brought home a beater 1994 Civic with a 1.6 VTEC. The Previous owner stripped about eight holes all over this engine. I have delt with all holes other than the head bolt holes thus far. Let me start out by saying that this is a $250 beater with 180k (ish) miles and will never have the current engine upgraded. I have a B series swap in the works, so I just need to get this engine to run without blowing all the coolant out over the course of ten minutes. Hopefully to use it as a highway commuter. I understand the proper way to repair this engine is to pull it, tear it down, and either use inserts/ weld and retap the holes, clean the block, inspect components, and then reassemble it.
With that said... I dont plan on doing any of that. Flame me as much as you want. I am thinking about either installing over-sized bolts or inserts, pulling the oil pan and splash-shield looking piece to allow me to "rinse" out the engine from underneath. Of course I will follow this with a couple oil changes soon after, using a magnetic oil plug that ill reuse on my b20b. I know this is not the right way to do this repair, but i just need a temporary fix. After the swap ill probably part or junk this engine. For now its not worth the money to repair it the right way considering I have a b20b shortblock and a second 'parts shortblock' in my garage and do not own an engine hoist as of now.
Any thoughts? Suggestions? What should i use to "rinse" the internals? I don't want to degrease it and kill the bearings. If I could find a d series in my area for under 250 i would just swap it, but everything is around 400. I'm really leaning toward just using over-sized bolts and a decent head gasket.
As I said... Flame away, I'm expecting it.
-Jon
I just brought home a beater 1994 Civic with a 1.6 VTEC. The Previous owner stripped about eight holes all over this engine. I have delt with all holes other than the head bolt holes thus far. Let me start out by saying that this is a $250 beater with 180k (ish) miles and will never have the current engine upgraded. I have a B series swap in the works, so I just need to get this engine to run without blowing all the coolant out over the course of ten minutes. Hopefully to use it as a highway commuter. I understand the proper way to repair this engine is to pull it, tear it down, and either use inserts/ weld and retap the holes, clean the block, inspect components, and then reassemble it.
With that said... I dont plan on doing any of that. Flame me as much as you want. I am thinking about either installing over-sized bolts or inserts, pulling the oil pan and splash-shield looking piece to allow me to "rinse" out the engine from underneath. Of course I will follow this with a couple oil changes soon after, using a magnetic oil plug that ill reuse on my b20b. I know this is not the right way to do this repair, but i just need a temporary fix. After the swap ill probably part or junk this engine. For now its not worth the money to repair it the right way considering I have a b20b shortblock and a second 'parts shortblock' in my garage and do not own an engine hoist as of now.
Any thoughts? Suggestions? What should i use to "rinse" the internals? I don't want to degrease it and kill the bearings. If I could find a d series in my area for under 250 i would just swap it, but everything is around 400. I'm really leaning toward just using over-sized bolts and a decent head gasket.
As I said... Flame away, I'm expecting it.
-Jon
#2
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Re: Stripped Head Bolts: Cheapo Repair
Seriously for the amount of time and effort you would spend to do a band-aid fix is way more hassle than it's worth. Sure it'll run but for how long? If you blow a headgasket while driving you'll be out another $100-$200 for a tow. I say just pony up an extra $150 and buy a used motor.
#3
Re: Stripped Head Bolts: Cheapo Repair
Seriously for the amount of time and effort you would spend to do a band-aid fix is way more hassle than it's worth. Sure it'll run but for how long? If you blow a headgasket while driving you'll be out another $100-$200 for a tow. I say just pony up an extra $150 and buy a used motor.
Last edited by Jon78; 03-30-2017 at 01:27 AM.
#4
Re: Stripped Head Bolts: Cheapo Repair
Talk to a local machine shop and get an idea for the repair and cost. I think it's about $10 for each stud to put an insert in. Inserts are stronger than stock.
#5
Re: Stripped Head Bolts: Cheapo Repair
Wrap two ratcheting straps: https://www.strapworks.com/v/vspfile...tchetwend2.jpg around block and head about a foot apart from each other...LOL..JK
Pull head, re-tap and helicoil. Can use red thread-locker on coils as well. Mine had one stripped block bolt hole and I used 1 and 3/4 (of one) helicoils stacked on top of each other due to the depth of the hole.
The coils are fairly cheap themselves (without tap tool) if ordered online.
Pull head, re-tap and helicoil. Can use red thread-locker on coils as well. Mine had one stripped block bolt hole and I used 1 and 3/4 (of one) helicoils stacked on top of each other due to the depth of the hole.
The coils are fairly cheap themselves (without tap tool) if ordered online.
#6
#7
Re: Stripped Head Bolts: Cheapo Repair
Wrap two ratcheting straps: https://www.strapworks.com/v/vspfile...tchetwend2.jpg around block and head about a foot apart from each other...LOL..JK
Pull head, re-tap and helicoil. Can use red thread-locker on coils as well. Mine had one stripped block bolt hole and I used 1 and 3/4 (of one) helicoils stacked on top of each other due to the depth of the hole.
The coils are fairly cheap themselves (without tap tool) if ordered online.
Pull head, re-tap and helicoil. Can use red thread-locker on coils as well. Mine had one stripped block bolt hole and I used 1 and 3/4 (of one) helicoils stacked on top of each other due to the depth of the hole.
The coils are fairly cheap themselves (without tap tool) if ordered online.
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#8
#9
Honda-Tech Member
Re: Stripped Head Bolts: Cheapo Repair
Could you buy a used D16 shortblock?
#11
Honda-Tech Member
Re: Stripped Head Bolts: Cheapo Repair
Great suggestion except that the Time-Sert kit cost $450, hahaha!
Anyway, I'm pretty sure that time-sert installation is exactly what a machine shop would do to fix it. The thing is, it's hard to be sure that you're drilling out the threads squarely to the deck surface. It would be easy to botch this kind of repair.
I have the kit for the motor mount bracket bolts and I used it in my old transmission housing. Despite my best efforts, the bolts were tilting like old power poles on a dirt road in Mexico. Granted, that was in aluminum, but still...
Anyway, I'm pretty sure that time-sert installation is exactly what a machine shop would do to fix it. The thing is, it's hard to be sure that you're drilling out the threads squarely to the deck surface. It would be easy to botch this kind of repair.
I have the kit for the motor mount bracket bolts and I used it in my old transmission housing. Despite my best efforts, the bolts were tilting like old power poles on a dirt road in Mexico. Granted, that was in aluminum, but still...
#14
Honda-Tech Member
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