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> Big bore 2.6, Would you do it?
jesiv
post May 9 2015, 02:05 PM
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I am developing my strategy for restoring my 1975 1.8. I am thinking I will have it repainted to match so not thinking of doing the trunks or door jams. Will I regret this?

Instead of rebuilding the 1.8, I am thinking of keeping the stock 1.8 with FI and having a new big bore 2.6 built. Thus when/if I sell I will have the original engine with a stock car.

Will use the car for weekends and some ax

Thoughts??

Regards

James
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r_towle
post May 9 2015, 02:16 PM
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Do it
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GeorgeRud
post May 9 2015, 03:44 PM
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You can always do the trunks later, but I'd recommend doing the door jambs or you'll notice the differences. As far as the engine, keeping the original is probably a good idea.
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JoeDees
post May 11 2015, 08:32 AM
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You will want to paint the door jambs. Trunks and stuff can pass, but the door jambs will bug you if you don't paint them.
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rhodyguy
post May 11 2015, 08:41 AM
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2.6 type 4? Bring money and lots of it.
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crash914
post May 11 2015, 10:33 AM
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to do it right, plan on around $12K for the motor...good luck!
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Jake Raby
post May 11 2015, 01:25 PM
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QUOTE(crash914 @ May 11 2015, 08:33 AM) *

to do it right, plan on around $12K for the motor...good luck!

That won't really even buy all the components these days.

Its a good starting point, though.
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crash914
post May 11 2015, 05:33 PM
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You might be right, but that's about what I got in mine...in 2003 $$ though..
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Jake Raby
post May 11 2015, 07:22 PM
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QUOTE(crash914 @ May 11 2015, 03:33 PM) *

You might be right, but that's about what I got in mine...in 2003 $$ though..

Nothing is the same today.... Back then good parts existed off the shelf.
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Mueller
post May 12 2015, 12:42 PM
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Would this be just bigger bores or a combination of longer stroke to get the 2.6 liters?...
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crash914
post May 12 2015, 01:07 PM
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mine is 103mm cylinders by 80mm stroke.

see picture on the left
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jesiv
post May 13 2015, 10:58 AM
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So I am being told now that I should go with a 2.4 as it will be a much more stable platform than the 2.6. Is this a distinction without a difference??
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r_towle
post May 13 2015, 12:47 PM
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2.4 is 103MM pistons and stock crank of 71mm

Not sure who might be advising you, but for a while welded and recut cranks were a problem due to the oil galley becoming too close to the journal...and it would crack and break.

We now can buy new cranks from DPR crankshafts....so that issue seems to be less troublesome.

Rich
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rhodyguy
post May 13 2015, 01:07 PM
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forget heat. in all likelihood, you need to plan which header and muffler system you intend to run. what's your fuel supply system plan? carbs, dual throat throttle body f.i.? ignition? what's the cylinder budget? it's a whole lot more than just displacement.
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jesiv
post May 13 2015, 01:14 PM
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I am planning carbs. I really want heat. I want the car to be drivable e.g. Drive from San Francisco to Los Angels.
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crash914
post May 13 2015, 01:50 PM
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Best bet is a 2056. Then just driv3 it. Best bang for the $.
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nine9three
post May 13 2015, 02:26 PM
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Not to hijack this thread, but I'm seriously thinking 2270. Seems to be a lot of write-up on this displacement, and it matches what I would like to get in terms of H.P. I'm making an assumption here but the larger the displacement the more critical the components needed to equal reliability.
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jesiv
post May 13 2015, 02:29 PM
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Yeah but looking for more power. It's hard to go from a boxster to the 914. I am keeping the 1.8 for originality. This engine is all about power and fun :-)
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r_towle
post May 13 2015, 02:53 PM
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So a 2.4 with heat exchangers
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jesiv
post May 13 2015, 03:07 PM
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I assume that's what you would do... Other options??
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