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Help With 202s and 186s

Started by _kenno_ , Mar 01 2006 05:10 PM

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23 replies to this topic

#1 _kenno_

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Posted 01 March 2006 - 05:10 PM

I have 2 engines at the moment.

A standard original 202 which is in an LX SLR and a 186S out of a 1967-9 Monaro

The 186 has yella terra rockers, solid lifters, a solid heatseaker stage 4 cam and a straight cut timing gear.

I was wondering 2 things:

How much of the performance parts listed from the 186S would fit onto the 202??

I have heard two stories. One being that basically none of it will fit and the other being that most of it will fit!

Also do you reckon its worth putting all the performance parts into the 202 or just putting the 186S into the SLR?

Thanks alot

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#2 _draglc_

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Posted 01 March 2006 - 05:22 PM

all of that will fit the 202 including the 186 head, just make sure u use the 186 pushrods in the 202.

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#3 _Eddie_

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Posted 01 March 2006 - 05:30 PM

The YT roller rockers aren't interchangable for 186's and 202's. Unless the rare chance your 202 has a 186 head on it, that won't be happening. As for the cam it depends if machining was needed on the 186 when it was all fitted it all in. Which may be the case if it's a solid cam. Personally I'd fit the 186 in any day over a standard 202m with all those nice bits you got in there. Or you could keep the 202 and sell me you rockers and cam

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#4 Heath

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Posted 01 March 2006 - 05:40 PM

I recommend you just stick the 186 Head on the 202 and it should all be sweet.

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#5 _kenno_

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Posted 01 March 2006 - 05:42 PM

hmmm... can anyone else confirm the changing of any of these parts and what they would prefer out of the 186 and 202?

As for the rockers and cam.. Either way it goes - Im pretty sure ill be using them!

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#6 _kenno_

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Posted 01 March 2006 - 06:01 PM

The YT roller rockers aren't interchangable for 186's and 202's. Unless the rare chance your 202 has a 186 head on it, that won't be happening. As for the cam it depends if machining was needed on the 186 when it was all fitted it all in. Which may be the case if it's a solid cam. Personally I'd fit the 186 in any day over a standard 202m with all those nice bits you got in there. Or you could keep the 202 and sell me you rockers and cam

"The YT roller rockers aren't interchangable for 186's and 202's. Unless the rare chance your 202 has a 186 head on it, that won't be happening."

Wont they be interchangable if i put the head from the 186 onto the 202??

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#7 FastEHHolden

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Posted 01 March 2006 - 06:12 PM

I would save the 202 in the shed (cos one day even 202 SLR's will pull big $$$$$) and either fit the 186 complete as it is or get another 202 block and fit the cam, lifters and head from the 186.

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#8 _Bomber Watson_

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Posted 01 March 2006 - 08:12 PM

i agree.

but tyo answer your q, all the stuff will fit, but as has been said put the 186 head on the 202.

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#9 surfmaster

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Posted 01 March 2006 - 08:18 PM

202 is basically a 186 with a longer stroke and same size bore. Please feel free to correct me

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#10 FastEHHolden

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Posted 01 March 2006 - 08:25 PM

so a 253 is is the same as a 186 but bent a little bit? :blink:

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#11 surfmaster

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Posted 01 March 2006 - 08:28 PM

so a 253 is is the same as a 186 but bent a little bit?

202, 186 & 253 all have the same bore. 202 has a longer stroke, 253 has an extra couple of holes to make it an eight.

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#12 _Bomber Watson_

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Posted 01 March 2006 - 08:30 PM

correct.

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#13 _Loki_

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Posted 01 March 2006 - 08:57 PM

I would save the 202 in the shed (cos one day even 202 SLR's will pull big $$$$$) and either fit the 186 complete as it is or get another 202 block and fit the cam, lifters and head from the 186.

I think the day when 202 SL/R's are worth big $$ is a good few decades at the very minimum away yet though.

Zing!
My SL/R's 202's genuine block is currently resting, it needs a better place to store it though; 6mx7m garage is full [I mean literally so full you can barely stand in it] so it's currently wrapped up as best as possible with plastic and tarps and in the open :/

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#14 FastEHHolden

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Posted 01 March 2006 - 09:22 PM

I was being quazi facetious.

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#15 surfmaster

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Posted 01 March 2006 - 09:24 PM

I was being quazi facetious.

zer vil be no quazi on ze forumz

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#16 FastEHHolden

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Posted 01 March 2006 - 09:25 PM

Du sprecken ze deutche?

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#17 surfmaster

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Posted 01 March 2006 - 09:32 PM

Ich sprechen sie eine kleine deutsche.

Now for a word from our sponsors....................................

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#18 _Bomber Watson_

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Posted 01 March 2006 - 09:36 PM

send the bomber money and you will receive a special gift....

*note gift may not be special or actualy exist....i just want money*

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#19 surfmaster

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Posted 01 March 2006 - 09:40 PM

send the bomber money and you will receive a special gift....

*note gift may not be special or actualy exist....i just want money*

Note........money sent may not be real or exchangeable for actual currency. Not available in states or territories ending in an "A"

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#20 FastEHHolden

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Posted 01 March 2006 - 10:41 PM

Vunderbar!!!!!!!!

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#21 surfmaster

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Posted 01 March 2006 - 10:42 PM

Vunderbar!!!!!!!!

Can you get them re-chromed?

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#22 FastEHHolden

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Posted 01 March 2006 - 10:47 PM

No but you can rechrome a FU-BAR.

This thread has turned Chopper-esque.

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#23 _kenno_

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Posted 02 March 2006 - 04:05 PM

so would putting the 186 in there be more powerful than what the 202 would be with all the performance parts?
Also are 186s more reliable than 202s?

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#24 FastEHHolden

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Posted 02 March 2006 - 04:45 PM

the 186 will have more poke than the unmodded 202 but the 202 with the same parts will have the most power.

neither one is any better than the other reliability wise.