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88-91 USDM Crx Differences

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Re: 88-91 USDM Crx Differences

Postby suspendedhatch » Wed Jun 15, 2016 2:44 am

-88/89 CRX's don't have side impact beams in the doors, the 90-91 do.


Is this backward? My 88 Si has impact beams in the doors. I tried adding 90-91 Civic door lock actuators but the beams are in the way. They must not be there in the sedan or they're out of the way. I didn't take note of them when I pulled the actuators.
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Re: 88-91 USDM Crx Differences

Postby Baker » Wed Jul 27, 2016 12:46 pm

suspendedhatch wrote:
-88/89 CRX's don't have side impact beams in the doors, the 90-91 do.


Is this backward? My 88 Si has impact beams in the doors. I tried adding 90-91 Civic door lock actuators but the beams are in the way.


Everything I have ever read AND seen supports this, 90-91 had the side impact beams.
Sounds dumb, but are you certain your car is an '88/has the correct door?
Pictures?
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Re: 88-91 USDM Crx Differences

Postby Tesla220 » Thu Aug 04, 2016 11:30 am

Good post. Not to be picky but my 89 hf has a clock and a passenger outside rear view mirror. I bought it in 1995 from my friend who bought it new. Also as I read in other posts, yes the 89 Hf HAS Vented front Brake Rotors.
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Re: 88-91 USDM Crx Differences

Postby Baker » Thu Aug 04, 2016 12:17 pm

Tesla220 wrote:Not to be picky but my 89 hf has a clock and a passenger outside rear view mirror.


Those were optional add on's, they did not come standard on the HF.
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Re: 88-91 USDM Crx Differences

Postby bryancrx » Fri Aug 19, 2016 7:59 pm

Do you know how many 1990 y49 were produced?
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Re: 88-91 USDM Crx Differences

Postby Dave_Darling » Sat Aug 27, 2016 4:04 pm

Honda has never released production totals. :(

--DD
"Mango Bango", 1990 CRX Si -- Sold on 10/01/11, with over 227,000 miles.

VTEC is Honda's "select a cam profile on the fly" system; VTECH is a crappy phone.
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Re: 88-91 USDM Crx Differences

Postby jfrolang » Sat Aug 27, 2016 10:15 pm

bryancrx wrote:Do you know how many 1990 y49 were produced?

The total for 1990 USDM Si was about 14k, according to this thread:
http://crxcommunity.com/viewtopic.php?t=165530

If you assume 10% of them were yellow (an absolute guess), fewer than 1500.
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Re: 88-91 USDM Crx Differences

Postby theinfamousw » Sun Mar 05, 2017 1:51 am

I'm surprised no one has mentioned the steering racks. DX and HF had a standard steering rack(same rack for both models) while the si had a variable gear rack that was much easier to turn, almost like having power steering. Also my 90 dx had the smaller gas tank, sure wasn't 11 gals, I ran it completely empty and it took all of 9.5 gals to fill it up on more than 1 occasion as a teen and yes it was a factory original car bought from the original owner
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Re: 88-91 USDM Crx Differences

Postby Dave_Darling » Sun Mar 05, 2017 11:35 pm

I do not believe the Si rack was variable. I'm not sure it was different from the others, in fact.

Gas tank sizes can be difficult to gauge. Even if you stall from not enough fuel, there can still be a significant amount of fuel in the tank. (Depending on the shape of the tank; not sure about ours.) And the gauge is not exactly super accurate, it can read well over the "F" mark when the tank is full. And relying on the gas station's automatic cut-off is not necessarily that accurate either.

--DD
"Mango Bango", 1990 CRX Si -- Sold on 10/01/11, with over 227,000 miles.

VTEC is Honda's "select a cam profile on the fly" system; VTECH is a crappy phone.
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Re: 88-91 USDM Crx Differences

Postby theinfamousw » Mon Mar 06, 2017 4:43 am

It's pretty well known the si had a variable rack, even has a VGR stamp on it and is a separate part # from the HF and DX which use the same rack, also why a quaife quick rack works with DX/ HF rack and not the si rack. I've driven all 3 models and owned Dx and si and there is most definitely a difference in the si, unless it had the rack replaced with a DX/HF rack. As for the gas tanks, I think someone screwed the pooch on the sizes as previously stated my DX would go from pushing into the gas station to overflowing in 9.5 gals, but my 91 si would take 10-10.5 not even getting to the bottom. I could be wrong on the tanks, but that's personal experience and not wikipedia
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Re: 88-91 USDM Crx Differences

Postby Dave_Darling » Fri Mar 10, 2017 7:25 pm

There was at least one 1990 Si that had a tank that you could get 13 gallons into. I don't have my spreadsheets on this computer, but there were several times that I managed to get 13 gallons into Mango Bango. And many more than I put 12+ in. And I am sure that I put rather more than 10 into Parts Fetcher (my previous 1990 Si) on many occasions as well. That's personal experience, not from Wikipedia. From 18 years of owning and driving CRXes.

It is possible that there was a variable rack in my cars, but if so it was subtle enough that I couldn't tell.

--DD
"Mango Bango", 1990 CRX Si -- Sold on 10/01/11, with over 227,000 miles.

VTEC is Honda's "select a cam profile on the fly" system; VTECH is a crappy phone.
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Re: 88-91 USDM Crx Differences

Postby jfrolang » Sat Mar 11, 2017 5:40 pm

The VGR steering rack on the Si is well known. I was also surprised to see it not mentioned here.

The fuel tank volumes listed match what was published in the service manuals.
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Re: 88-91 USDM Crx Differences

Postby Baker » Mon Mar 13, 2017 6:57 am

jfrolang wrote:The VGR steering rack on the Si is well known. I was also surprised to see it not mentioned here.


I'll have to update the thread, as I see many pics are not working either.
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