Honda Car Forum

#1 (**permalink**) 02 Feb 2007, 03:53 pm

My timing belt went at 10 miles an hour and I had a new one put on
they tested compression and I am about 134 to 139 on all but the #2
cylinder it tested at 129 still within tolerance. I lost about 1/4 of
the power it used to have mainly at high RPM's is my timing off? the
engine was from a japanese Car it says ZC on the block under the D16a6
but it is not DOHC had under 40K on the engine when I purchased it.
any help would be great.

#2 (**permalink**) 02 Feb 2007, 05:06 pm

"Slightly" bent valves...

JT

Beaulieu3309 wrote:

> My timing belt went at 10 miles an hour and I had a new one put on
> they tested compression and I am about 134 to 139 on all but the #2
> cylinder it tested at 129 still within tolerance. I lost about 1/4 of
> the power it used to have mainly at high RPM's is my timing off? the
> engine was from a japanese Car it says ZC on the block under the D16a6
> but it is not DOHC had under 40K on the engine when I purchased it.
> any help would be great.
>

#3 (**permalink**) 02 Feb 2007, 05:13 pm

On Feb 2, 4:06 pm, Grumpy AuContraire <Gru...@ExtraGrumpyville.com>
wrote:
> "Slightly" bent valves...
>
> JT

wouldn't that show up in the compression check? it still has great
compression.

#4 (**permalink**) 02 Feb 2007, 08:56 pm

Beaulieu3309 wrote:
> On Feb 2, 4:06 pm, Grumpy AuContraire <Gru...@ExtraGrumpyville.com>
> wrote:
>> "Slightly" bent valves...
>>
>> JT
>
> wouldn't that show up in the compression check? it still has great
> compression.
>
yes it would. most likely the timing is not set right, especially if
it's not breathing right at high rpm's. just check it again - follow
the tensioning procedure to the letter as it can easily skip. google
here if you need to read it again - i've posted it before so it will be
in the archive.

#5 (**permalink**) 02 Feb 2007, 10:58 pm

recheck your cam timing AND ignition timing.

Compression is OK and not your problem.

-SP

Beaulieu3309 wrote:
> My timing belt went at 10 miles an hour and I had a new one put on
> they tested compression and I am about 134 to 139 on all but the #2
> cylinder it tested at 129 still within tolerance. I lost about 1/4 of
> the power it used to have mainly at high RPM's is my timing off? the
> engine was from a japanese Car it says ZC on the block under the D16a6
> but it is not DOHC had under 40K on the engine when I purchased it.
> any help would be great.
>

#6 (**permalink**) 03 Feb 2007, 12:32 am

very good. thanks

#7 (**permalink**) 03 Feb 2007, 10:40 pm

jim beam wrote:

> Beaulieu3309 wrote:
>
>> On Feb 2, 4:06 pm, Grumpy AuContraire <Gru...@ExtraGrumpyville.com>
>> wrote:
>>
>>> "Slightly" bent valves...
>>>
>>> JT
>>
>>
>> wouldn't that show up in the compression check? it still has great
>> compression.
>>
> yes it would. most likely the timing is not set right, especially if
> it's not breathing right at high rpm's. just check it again - follow
> the tensioning procedure to the letter as it can easily skip. google
> here if you need to read it again - i've posted it before so it will be
> in the archive.

I was sort of under the impression the 130 psi range was low for a
Honda. For example, my lowly '82 DX runs around 180 psi. Of course, I
am far from being a Honda expert...

JT

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