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#1 oopsiy

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Posted 18 March 2007 - 09:35 PM

hey guys the 7afe out of the csx corollas 1999 models and even in the front wheel drive sprinters...was just wondering why nobody uses them for upgrades there a 1.8l, but yet people are still using 5e's... ??? pretty sure there a straight bolt in without changing mounts too... coz 1.8l is a big jump from a 5e 1.5l ??? thanks

#2 Brad

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Posted 18 March 2007 - 09:45 PM

straight bolt in ?

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#3 swanny

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Posted 18 March 2007 - 09:53 PM

Hmmm interesting... Any idea what would need to be changed Brad?
A small amount, fair bit, or a ridiculous amount?
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#4 tommykairaR

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Posted 18 March 2007 - 10:00 PM

7AFE - 'F' series head = economy

The 7AFE is not really a performance oriented engine. As a stock engine in a Corolla, it is good for daily driving where responsiveness down low and into the midrange is all that's required. However, it is possible to use the 7A block and 4AGE head to create an engine that is performance-oriented.

Many people would avoid this sort of conversion into their Starlets in the first place because it is rather difficult compared to the 4EFTE/5E engine conversions.

The 7AFE is not as simple "as a straight bolt-in without changing any engine mounts". It is more than likely that all engine mounts would need to be custom-made or modified to suit the different engine [i.e. going from 4E to 7A].

1.8L is definitely a big jump from a 1.3L however, there are many issues to consider in order to complete this conversion successfully. Clearance is one of the major issues. A Starlet engine bay isn't exactly as spacious as a Corolla's. When doing the 7A conversion into a Starlet, the sump, exhaust and gearbox will sit much lower compared to the stock setup.

If you are considering this sort of engine conversion into a Starlet, to do it properly you will need to spend quite a lot of money.

#5 MD0086

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Posted 19 March 2007 - 10:10 AM

Yeah I have this engine in my rolla and it certainly isnt quick lol
not worth the effort IMO
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#6 ivan

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Posted 19 March 2007 - 10:30 AM

a 7A block matched with a 4A head is currently the setup in david lofus' ep91 starlet. It is also stroked to run 1.9ltr and it is definately one very quick package.

If you want an engine built similar to his, you are looking at close to $10k and then add an aftermarket computer ontop.

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#7 jezza323

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Posted 19 March 2007 - 10:49 AM

most of the F series heads have the potential to flow very well and make good torque, because the angle of the intake ports is more steep (which is better)

they generally just have ports that flow less than a G head from stock, also the cam timing adjustment becomes a problem when you want lots of mods

the 7afe rods are also a weak point if you want to get revs out of the engine, but off the shelf forged rods are readily available
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#8 LIFEONBOOST

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Posted 19 March 2007 - 12:21 PM

Hey Brad,

How mich dickin round you think to try and fit an SR20DET into an EP91 Starbo?? dry.gif
I have an SR20DET at home in the shed complete with loom and everything! Its GTiR "redtop" but I would need an N14 gearbox! I think the mid range torque of the mighty SR would be some good fun for a light body starlet! laugh.gif
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#9 ivan

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Posted 19 March 2007 - 12:32 PM

Would be a great conversion... if you made it RWD smile.gif

#10 jezza323

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Posted 19 March 2007 - 12:38 PM

would be a very tight squeeze i would think

expect to pay lots of money smile.gif
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#11 LIFEONBOOST

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Posted 19 March 2007 - 01:18 PM

I would love one of the 4WD boxes and running gear from the 4WD Starbo's!
A bit too much with the cutting/welding of floor pans to run a shaft tunnel and all that to convert an aussie EP91 sad.gif Still be mad fun to own thou laugh.gif
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#12 InterCooL

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Posted 19 March 2007 - 01:39 PM

QUOTE(LIFEONBOOST @ 19 Mar 2007, 01:21 PM) View Post
Hey Brad,

How mich dickin round you think to try and fit an SR20DET into an EP91 Starbo?? dry.gif
I have an SR20DET at home in the shed complete with loom and everything! Its GTiR "redtop" but I would need an N14 gearbox! I think the mid range torque of the mighty SR would be some good fun for a light body starlet! laugh.gif


i do recall that it was metioned that the guy who has put a 3sgte into a starlet said it was only good for a straight line, the extra weight into the front stuffed it all up smile.gif
also that the performance workshop vowed never to put another 3sgte into a starlet regardless of money as it was that hard / time consuming

lifeonboost, you should get a pulsar to drop the gtir engine into smile.gif
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#13 jezza323

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Posted 19 March 2007 - 01:48 PM

or just give me the quad throttles and sell the rest laugh.gif
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#14 LIFEONBOOST

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Posted 19 March 2007 - 01:51 PM

Nahh id never get a standard Pulsar, thery're not a bad car but Im too much of a massive GTiR/SR20DET fan! Ive already owned 3 of 'em, in the past smile.gif They just look mean laugh.gif & go damn hard!! biggrin.gif
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