Hello out there
Will a H25A engine fit into a Vitara instead of a H20A ?
The block is the same isnt it ?
What about the clutch ?
Injection ?
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| H25A instead of H20A https://auszookers.com/forum/viewtopic.php?f=5&t=19441 |
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| Author: | guffe [ Thu Feb 24, 2011 9:26 am ] |
| Post subject: | H25A instead of H20A |
Hello out there Will a H25A engine fit into a Vitara instead of a H20A ? The block is the same isnt it ? What about the clutch ? Injection ?
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| Author: | atari4x4 [ Thu Feb 24, 2011 9:48 am ] |
| Post subject: | Re: H25A instead of H20A |
Polar_Bear has a SV620 that is running the H25a with a 4 speed auto, not sure about the manual. Yeah it's EFI, I think his is running the inlet manifold etc off the H20a. I'll try & find some pics of his engine bay. |
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| Author: | Taylor74 [ Thu Feb 24, 2011 9:59 am ] |
| Post subject: | Re: H25A instead of H20A |
Yes even the H27 fits man or auto. you can use the H25a manifold but you need to use the throttle body and isc motor from the H20 with a few small mods. You can not use the H27 manifold as the Iac is part of the throttle body assy. Only problem Ive seen with the 2.5 in a man is dont leave it in 5th to tow or heavy loads. It pulls 5th like a train but the gearbox doesn't stand up very well |
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| Author: | guffe [ Sun Feb 27, 2011 6:34 am ] |
| Post subject: | Re: H25A instead of H20A |
| Author: | Taylor74 [ Mon Feb 28, 2011 8:22 am ] |
| Post subject: | Re: H25A instead of H20A |
You will need to modify the IAC back to the H20 one and better to try fit the Throttle body from the H20 as im not sure what the differences are between the tps and air flow meter but I have done this before just makes the porting a tad bigger. I carn't remember if i used the H20 injectore or not on the last one I did, might want to look into it or just try and see what happens. Clutches dont seem to be any problem at all but like i say Dont overload 5th gear, they wear the case hardening off 5th gear real quick if you do |
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| Author: | guffe [ Mon Feb 28, 2011 9:40 am ] |
| Post subject: | Re: H25A instead of H20A |
thank you very much Best regards from Denmark 
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| Author: | Polar_Bear [ Thu Mar 17, 2011 10:32 am ] |
| Post subject: | Re: H25A instead of H20A |
Taylor74 wrote: You will need to modify the IAC back to the H20 one
whats the reason behind this? i have a sv620 with a h25 in it (installed by others before i bought it) and the IAC is non standard...presumably the one off the orighinal h20. Have found a cheap one off a h25 and was wondering if that would fit. |
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| Author: | guffe [ Thu Mar 17, 2011 12:35 pm ] |
| Post subject: | Re: H25A instead of H20A |
Great experiment, I look forward to see your result 
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| Author: | Polar_Bear [ Sun Mar 20, 2011 2:51 am ] |
| Post subject: | Re: H25A instead of H20A |
Polar_Bear wrote: Taylor74 wrote: You will need to modify the IAC back to the H20 one whats the reason behind this? i have a sv620 with a h25 in it (installed by others before i bought it) and the IAC is non standard...presumably the one off the orighinal h20. Have found a cheap one off a h25 and was wondering if that would fit. 
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| Author: | Polar_Bear [ Wed Mar 23, 2011 9:37 am ] |
| Post subject: | Re: H25A instead of H20A |
Polar_Bear wrote: Polar_Bear wrote: Taylor74 wrote: You will need to modify the IAC back to the H20 one whats the reason behind this? i have a sv620 with a h25 in it (installed by others before i bought it) and the IAC is non standard...presumably the one off the orighinal h20. Have found a cheap one off a h25 and was wondering if that would fit. 
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| Author: | Taylor74 [ Wed Mar 23, 2011 9:44 am ] |
| Post subject: | Re: H25A instead of H20A |
If you use the H25a manifold the IAC is of a different resistance and works in a completly different way.If you pull the both apart it is obvious. The hole spacing for the 2 IACs are different only need to slot the holes on the H20 IAC and bolts straight on to the manifold as the ports are in the same position for the motor to vent. |
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| Author: | guffe [ Tue Apr 12, 2011 7:03 am ] |
| Post subject: | Re: H25A instead of H20A |
OK, I think I have understand. Thank you for this time
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| Author: | guffe [ Tue Apr 12, 2011 7:04 am ] |
| Post subject: | Re: H25A instead of H20A |
guffe wrote: OK, I think I have understand.
Thank you for this time |
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| Author: | cooo [ Thu Aug 11, 2011 8:56 am ] |
| Post subject: | Re: H25A instead of H20A |
hey im thinking of doing this conversion, sounds like itll be pretty straight forward.. do you need to get in engineered or a mod plate or anything? so the bell housing and everything is exactly the same? so should be able to just swap the long block and use all the h20s accesories?? what about injectors do i need to run the h25a injectors? thanks guys. also roughly how much does a h25a go for? |
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| Author: | bigrig91 [ Sun Jun 17, 2012 5:48 pm ] |
| Post subject: | Re: H25A instead of H20A |
Since i am doing this conversion at the moment i thought i would revive this thread Once i have the h25a here ready to go in, what mechanical things would others recommend to maintain reliability? Should i put a new timing chain on, replace water pump etc things like that? Also i am planning on having both motors side by side and swapping everything on current h20a to the h25a. Any exceptions? Cheers. Once i complete this i will write up a how to so all the info i can get would be great. |
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| Author: | bigrig91 [ Sun Jun 17, 2012 5:57 pm ] |
| Post subject: | Re: H25A instead of H20A |
http://www.suzuki-forums.com/suzuki-sid ... itara.html |
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