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Yella Terra red head on a blue 202?

VHSLX3300

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Hi probably a stupid question does a 186 red yella terra head fit on a 202 blue. If it does is it worth it as I know the blue motor got better flow then the reds anyway. Cheers
 

1vngal

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Well, a head off a red motor does fit on a 202 blue, and yeah it does work, my old VH had the same set-up. The only trouble I had, was getting the idle right, but after some modification, and playing around, it was all good!! And it went really well. Never had a problem with mine.
 

yZoH

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186 heads would throw your compression through the roof mate....

Cheers
MaT
 

Goon

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Mad compression, thats why im afraid to try it lol. :p

I've never heard ofhe lifespan from doing this mod? any ideas?
 

SL/ENUT

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Also a red head can't fit a blue motor, the water jackets area all in the wrong spot. You can but a blue head on a red motor, but not the other way around
 

VHSLX3300

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Cheers, might buy it anyway its only gonna be like $50 probably sell it on ebay.
 

atrail308

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umm, yeah you can bolt it up... i've had a blue 202 with a red 186 head... compression was high, but with the right timing and fuel, it was fine...
 

tigervh

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HoZy said:
186 heads would throw your compression through the roof mate....

Cheers
MaT
I'm pretty sure 202s and 186s share the same combustion chamber volumn. The 202s used dished pistons to lower the compression wheras 186s had flat tops. blue and red heads are interchangable with minor modification. You will have to use red motor manifolds.
 

Dan355

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I know its an old thread but i did the very same mod myself. If you can use a drill and tap a hole it can be done in 30mins :)
 

Goon

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Don't forget an engineers certificate :D or something if its going to be used on the road for street use...

Your modifications might not pass!
 
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