3rd gen love machine

prelude91 · Post by **prelude91** » Sun Oct 19, 2014 11:05 pm

Nice on, Wurly, I also have some of the brochure / paperwork you've shown, but yours is more extensive. Nice O.E. stereo as well, my facelift has a Panasonic as O.E. rather than your Philips unit, these were also fitted in Mk2 / 3 Cavaliers. I also have a good source for auto rads if you have trouble finding one, if needs be.

89 UKDM BA4 4WS (resto job!) · Post by **wurlycorner** » Sun Oct 19, 2014 11:07 pm

Thanks, will bear that in mind.
A manual conversion may well be on the cards for this one (but my one might be needing a rad next year maybe).

'92 Si VTEC · Post by **jjmartin349571** » Sun Oct 19, 2014 11:14 pm

Interesting to see the card stating the mods to the ignition timing in order to make the cars unleaded compatible... My Accord and Prelude are marked as 'adjusted for unleaded' but didn't have any mention of the timing change made so I didn't know the adjustment needed to return it to stock.

So..... If I run on super unleaded, should I be able to get away with advancing my ignition timing by 4 degrees?

prelude91 · Post by **prelude91** » Sun Oct 19, 2014 11:17 pm

My '91 paperwork and brochures have no advisements, regards unleaded 2 / 4 star at all. Curiously Honda motorcycles have been leadfree even since it was barely available in the mid to late 70's. It would surprise me if Honda car engine technology was slightly behind it's bike technology.

89 UKDM BA4 4WS (resto job!) · Post by **wurlycorner** » Sun Oct 19, 2014 11:29 pm

I think it's not so much that car technology is behind bike technology, more a case of they got away with what's required.
The main problem with phasing out lead was the lubrication on the valve seats because car engines had used softer material for the valve seats, made possible by the lead. The lower octane was what required the change in ignition advance.

Bike engines rev higher, so presumably would need harder valve seats anyway? So not such a problem when the lead was removed???

I don't know btw, I'm guessing/hypothesising.

prelude91 · Post by **prelude91** » Sun Oct 19, 2014 11:35 pm

Mmm, you may be right, higher revving bike engines may have had harder valve seats to start with compared to cars, even my '72 K2 has always been fine on unleaded.

89 UKDM BA4 4WS (resto job!) · Post by **wurlycorner** » Mon Oct 20, 2014 12:12 am

Make a nice couple

But there was a point to this - you can see how much the 89 has been lowered over stock (despite having larger alloys and tyre profiles);

And BTW, I didn't intentionally want to get in the photo - when I lined the car up, I couldn't open the door enough to get out!

Post by **Donald** » Mon Oct 20, 2014 12:21 am

So when are you going to fit an H22 in it?

89 UKDM BA4 4WS (resto job!) · Post by **wurlycorner** » Mon Oct 20, 2014 12:27 am

B20A7 FTW!

(BTW, did you know Mahle do pistons for the B20A7?

)

Post by **RattyMcClelland** » Mon Oct 20, 2014 12:13 pm

Did you know there's a bolt on 3rd gen specific turbo kit for the b20.....

Lude Generation

3rd gen love machine

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