calder wrote:i'm not sure i follow the problem you describe with the 2000rpm; but if you're getting a clonk from the rear on changing up a gear check the diff mounting bolts to the sub-frame these can become loose and cause a clonk on upshift.

yup i will check with that ... i believe it may be the diff...

hi guys, i recently swap my auto tranny with a manual tranny ... my car is a b20 87 auto and his is a b23 85 manual. After installing the manual tranny i discover that if i do not drag every gear to a rev of 2000 ... i would get a clonk sound from the trans ... coming from the rear side. Some of my ...

m-dtech wrote:the 525e is motronic so i dont know why you would want to use jettronic ?

m-dtech, my car is jetronic, so I can't really go far with this. But someone told me that there was a jetronic 2.7 ETA engine that could be fitted in my car by using the bottom with my head and get 19X plus horse.

Dude I have a jetronic 320i auto man and i've changed the diff from a 3XX (not known cos ratio was sanded off) to a 4.10 ... it still slow like a snail ... not enough of power but drinks like hell ... i only get 220 miles max from it driving around town. What's the normal mileage for the 320i auto a...

That's the more straight forward route to take... use the Eta bottom end and retain your 320 head, etc. To use the 'cheap and easy' route, use your existing head, but bolt on the 325i inlet system, and re-chip the ECU. Job done. 190bhp and little work involved really. Geeman, you meaning changing t...

A friend of mine suggested buying a 2.7 ETA engine (the non motronic one, i don't know if there was one). Then he asked me to retain my b20 top but using the ETA's lower portion. He said i'll make much more power than the b25 but retain the jetronic that i have in my car ... haha but fuel eff. will ...

After being out in randomdaves car on sunday, the way ahead is a 525i engine! 192BHP standard, and i think it had a short ration box, it went like stink around the track. He bought a complete donar car for Ԛ£400... Is that the e28? I was thinking of petrol savings :) too... i'm getting my engi...

Hi I'm planning to chuck m20/b20 with the auto gear and plonk in a m42 from e36 318IS, i'm getting the manual trans too.

What r a few things I should take note have when doing such a conversion?

Hi does anyone have a website link or a past thread that has some details on a m20/b20 jetronic to m20/b25 motronic conversion.

Basically, I'm want to see what parts are involved for the engine swap.

thanks guys

Only one of three things is worth doing to the M20B20 engine in an E30. 1/ Leave it alone and enjoy it as it is. 2/ Attach the head to a 525eta, 2.7 litre bottom end. 3/ Swap it for a M20B25. Anything else is just messing about for very little improvement. what are the power benefits of 2? And you ...

Only one of three things is worth doing to the M20B20 engine in an E30. 1/ Leave it alone and enjoy it as it is. 2/ Attach the head to a 525eta, 2.7 litre bottom end. 3/ Swap it for a M20B25. Anything else is just messing about for very little improvement. what are the power benefits of 2? And you ...

hi all, I am driving a m20b20 e30 and I need info on the following can anyone tell me briefly the pros and cons of each in terms of cost, horse power, fuel efficiency and etc, thanks: 1) Using a b25 Throttle body and Manifold in my car. 2) Using a b25 engine but with jetronic configuration, is this ...