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Engine Specific Info and Questions => IDI Engine => Topic started by: TUFFY on February 03, 2013, 08:26:54 am
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Anyone know where I can get a rod bolt and nut for a 1.6 diesel? I was putting short block together and found threads on one of the rod bolts are messed up.
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Parts geek??
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I ran a die on the bolt and I think it's going to be ok. I see some 1.6 had regular rod bolts and the later one had stretch bolts. I am not sure of the year on the engine, it is a VW replacement engine, the bearings were dated 1996. Are the early and late bolts torqued the same way? 22lbs then a 1/4 turn?
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Arp
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I did some searching on here and found info on rod bolts. Hemispherical head on bolt and 15mm long threaded portion is old style bolt torqued to 33 lbs. Conical head on bolt and 25mm long threaded portion is stretch bolt torqued to 22 lbs + 1/4 turn.
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Conical head on bolt and 25mm long threaded portion is stretch bolt torqued to 22 lbs + 1/4 turn.
...and single-use.
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McMaster Carr does has a huge selection of bolts, if you can find what youre looking for it would be worth calling them to see whats available.
http://www.mcmaster.com/#
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Get the correct rod bolts either from VW or the aftermarket ones from ARP. The shaft is fluted to be a press fit and locating pins for the cap. There are not any generic McMaster bolts that will work.
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Mine had the early style bolts. The one with threads a little messed up worked fine after running die over it. It torqued up real solid, didn't feel stretchy or like threads were pulling off bolt. Any one know the ARP part number for the bolts that fit a 1.6? I might get some down the road.
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man i tell you i know they are TTY bolts but i reused every last one of them, and it has worked well..
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man i tell you i know they are TTY bolts but i reused every last one of them, and it has worked well..
when i got mine my parts guy told me u may as well get arp bolts because they are the same price. i am pretty sure they are the same for almost every 4 cylinder vw mine said they were for a g60 or something. he also said if its the first time reusing the rod bolts ur probably ok, but if u know the engines been apart before or ur not sure u should just get new ones. 100 bucks worth of bolts can save u alot.
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i have an extra set of ARP rod bolts im trying to sell off
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I ran a die on the bolt and I think it's going to be ok. I see some 1.6 had regular rod bolts and the later one had stretch bolts. I am not sure of the year on the engine, it is a VW replacement engine, the bearings were dated 1996. Are the early and late bolts torqued the same way? 22lbs then a 1/4 turn?
be careful using a die to repair threads. they're designed to cut. they will remove thread material making them weaker. a thread chaser won't cut, only reform's the thread.
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I think I have some complete piston/rod assemblies, with bolts, that you are welcome to have if it will help your effort.
Steve.
Send me a PM if I can help.